<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=Content-Type content="text/html; charset=utf-8">
<meta name=Generator content="Microsoft Word 12 (filtered medium)">
<style>
<!--
/* Font Definitions */
@font-face
{font-family:Helvetica;
panose-1:2 11 6 4 2 2 2 2 2 4;}
@font-face
{font-family:Helvetica;
panose-1:2 11 6 4 2 2 2 2 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.yiv7845785605msonormal, li.yiv7845785605msonormal, div.yiv7845785605msonormal
{mso-style-name:yiv7845785605msonormal;
mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
p.yiv7845785605msochpdefault, li.yiv7845785605msochpdefault, div.yiv7845785605msochpdefault
{mso-style-name:yiv7845785605msochpdefault;
mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
span.yiv7845785605msohyperlink
{mso-style-name:yiv7845785605msohyperlink;}
span.yiv7845785605msohyperlinkfollowed
{mso-style-name:yiv7845785605msohyperlinkfollowed;}
span.yiv7845785605estilodeemail17
{mso-style-name:yiv7845785605estilodeemail17;}
p.yiv7845785605msonormal1, li.yiv7845785605msonormal1, div.yiv7845785605msonormal1
{mso-style-name:yiv7845785605msonormal1;
margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
span.yiv7845785605msohyperlink1
{mso-style-name:yiv7845785605msohyperlink1;
color:#0563C1;
text-decoration:underline;}
span.yiv7845785605msohyperlinkfollowed1
{mso-style-name:yiv7845785605msohyperlinkfollowed1;
color:#954F72;
text-decoration:underline;}
span.yiv7845785605estilodeemail171
{mso-style-name:yiv7845785605estilodeemail171;
font-family:"Calibri","sans-serif";
color:windowtext;}
p.yiv7845785605msochpdefault1, li.yiv7845785605msochpdefault1, div.yiv7845785605msochpdefault1
{mso-style-name:yiv7845785605msochpdefault1;
mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:12.0pt;
font-family:"Calibri","sans-serif";}
span.EstiloDeEmail27
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page Section1
{size:612.0pt 792.0pt;
margin:70.85pt 3.0cm 70.85pt 3.0cm;}
div.Section1
{page:Section1;}
-->
</style>
<!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang=PT-BR link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#1F497D'>Como
eu baixo este pacote </span><span style='font-family:"Arial","sans-serif";
color:#1F497D'>ncdf4, quando eu tento baixá-lo diz que não está disponível na
versão R 3.1</span><span style='font-family:"Arial","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<div>
<div id="yui_3_16_0_1_1417745344934_59630">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>Humberto,<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_59630">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_59630">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>Obrigado pelo exemplo
completamente reprodutível.<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_59631">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_59632">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>O pacote ncdf não é mais
atualizado pelo David Pierce e muito em breve o seu codigo pode nao mais
funcionar. Use o ncdf4, que é mantido e regularmente atualizado. Ao fazer isso
você terá de reformular o código, por exemplo 'open.ncdf' vira 'nc_open', mas
dessa forma você garante que o seu codigo continue funcionando pelos próximos
anos.<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_59632">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>A solucao ideal para o seu
problema seria usar a funcao 'rotate' do pacote raster mas isso não é possível
porque a grade do seu arquivo não é regular. Dessa forma a minha sugestão para
reprojetar a longitude 'na marra' é:<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_59632">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_59632">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>new_lon = ((lon + 180) %%
360) - 180<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60380">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>A diferença de 0.5 grau entre
o que eu recomendo e o que você espera se deve à implementação de cada
software: em alguns a coordenada é do canto da grade, enquanto em outros a
coordenada é do centro da grade. Ajuste o resultado conforme a sua necessidade
(i.e. new_lon <- new_lon + 0.5).<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>Por último, note também que o
seu vetor de datas está incorreto porque está sendo criado de uma origem
diferente da origem embebida no netcdf (ano 1900 ao invés de 1800). Uma solucao
que resgata os valores de data diretamente do arquivo é a seguinte (note que as
funções já são do ncdf4):<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'># get time dimension<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>t <-
ncvar_get(nc,"time")<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>tunits <-
ncatt_get(nc,"time","units")<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'># show "real" times<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>tustr <-
strsplit(tunits$value, " ") <o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>tdstr <-
strsplit(unlist(tustr)[3], "-")<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>tmonth <-
as.integer(unlist(tdstr)[2])<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>tday <- as.integer(unlist(tdstr)[3])<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>tyear <-
as.integer(unlist(tdstr)[1])<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_60379">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>ndate <- as.Date(chron(t,
out.format='year-month-day', origin=c(tmonth, tday, tyear)))<o:p></o:p></span></p>
</div>
</div>
<div id="yui_3_16_0_1_1417745344934_59896">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_59896">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>O vetor ndate serve para
visualização das datas em um formato "humano", mas se você vai
recriar o arquivo, provavelmente você montará a dimensao de tempo usando o
vetor "t".<o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_59896">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'> <o:p></o:p></span></p>
</div>
<div id="yui_3_16_0_1_1417745344934_59898">
<div id="yui_3_16_0_1_1417745344934_59897">
<p class=MsoNormal style='background:white'><span style='font-size:9.0pt;
font-family:"Helvetica","sans-serif";color:black'>Saudações,<br>
--<br>
Thiago V. dos Santos<br>
PhD student<br>
Land and Atmospheric Science<br>
University of Minnesota<br>
http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm<br>
Phone: (612) 323 9898<o:p></o:p></span></p>
</div>
</div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span
style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p>
</div>
<div>
<div>
<div>
<div>
<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'>On Thursday, December 4, 2014
8:56 PM, Humberto <hghazin@hotmail.com> wrote:</span><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p>
<div>
<div id=yiv7845785605>
<div>
<div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>Boa noite pessoal,<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>Estou extraindo de um arquivo ncdf os valores de latitude (lat)
longitude( lon) e temperatura da superfície da agua do mar( SST),
entretanto a longitude (lon) ela está na projeção 0 a 360 graus. Minha pergunta
é como faço para converter ela para -180 a 180 graus? Segue o script que estou
utilizando juntamente com o link dos dados.<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>Desde já agradeço a ajuda <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>Humberto <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=450
style='width:337.5pt;border-collapse:collapse'>
<tr style='height:15.0pt'>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<div>
<p class=MsoNormal><span style='color:black'>
lon</span><o:p></o:p></p>
</div>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<div>
<p class=MsoNormal><span style='color:black'>
lat</span><o:p></o:p></p>
</div>
</td>
<td width=77 nowrap valign=bottom style='width:58.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<div>
<p class=MsoNormal><span style='color:black'> data</span><o:p></o:p></p>
</div>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<div>
<p class=MsoNormal><span style='color:black'>
sst</span><o:p></o:p></p>
</div>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'></td>
<td width=117 nowrap valign=bottom style='width:87.5pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<div>
<p class=MsoNormal><span style='font-size:10.0pt'>
Lon como deveria ser</span><o:p></o:p></p>
</div>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>299.5</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>10.5</span><o:p></o:p></p>
</td>
<td width=77 nowrap valign=bottom style='width:58.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>11/30/1981</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>27.85</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'> </span><o:p></o:p></p>
</td>
<td width=117 nowrap valign=bottom style='width:87.5pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>-60.000</span><o:p></o:p></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>300.5</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>10.5</span><o:p></o:p></p>
</td>
<td width=77 nowrap valign=bottom style='width:58.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>11/30/1981</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>27.96</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'> </span><o:p></o:p></p>
</td>
<td width=117 nowrap valign=bottom style='width:87.5pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>-59.500</span><o:p></o:p></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>301.5</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>10.5</span><o:p></o:p></p>
</td>
<td width=77 nowrap valign=bottom style='width:58.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>11/30/1981</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>28.02</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'> </span><o:p></o:p></p>
</td>
<td width=117 nowrap valign=bottom style='width:87.5pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>-58.500</span><o:p></o:p></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>302.5</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>10.5</span><o:p></o:p></p>
</td>
<td width=77 nowrap valign=bottom style='width:58.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>11/30/1981</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>28.02</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'> </span><o:p></o:p></p>
</td>
<td width=117 nowrap valign=bottom style='width:87.5pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>-57.500</span><o:p></o:p></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>303.5</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>10.5</span><o:p></o:p></p>
</td>
<td width=77 nowrap valign=bottom style='width:58.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>11/30/1981</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>27.97</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'> </span><o:p></o:p></p>
</td>
<td width=117 nowrap valign=bottom style='width:87.5pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>-56.500</span><o:p></o:p></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>304.5</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>10.5</span><o:p></o:p></p>
</td>
<td width=77 nowrap valign=bottom style='width:58.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>11/30/1981</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>27.84</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'> </span><o:p></o:p></p>
</td>
<td width=117 nowrap valign=bottom style='width:87.5pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>-55.500</span><o:p></o:p></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>305.5</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>10.5</span><o:p></o:p></p>
</td>
<td width=77 nowrap valign=bottom style='width:58.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>11/30/1981</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>27.81</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'> </span><o:p></o:p></p>
</td>
<td width=117 nowrap valign=bottom style='width:87.5pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>-54.500</span><o:p></o:p></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>306.5</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>10.5</span><o:p></o:p></p>
</td>
<td width=77 nowrap valign=bottom style='width:58.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>11/30/1981</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>27.78</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'> </span><o:p></o:p></p>
</td>
<td width=117 nowrap valign=bottom style='width:87.5pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>-53.500</span><o:p></o:p></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>307.5</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>10.5</span><o:p></o:p></p>
</td>
<td width=77 nowrap valign=bottom style='width:58.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>11/30/1981</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>27.75</span><o:p></o:p></p>
</td>
<td width=64 nowrap valign=bottom style='width:48.0pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'> </span><o:p></o:p></p>
</td>
<td width=117 nowrap valign=bottom style='width:87.5pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>-52.500</span><o:p></o:p></p>
</td>
</tr>
</table>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>Link para acesso dos dados <a
href="https://www.dropbox.com/s/xnab2g365mduykx/SST_81_14.nc?dl=0"
target="_blank">https://www.dropbox.com/s/xnab2g365mduykx/SST_81_14.nc?dl=0</a><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>Script:<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>require(ncdf) #'ncdf' versao 1.6.6</span><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>require(reshape)</span><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>require(chron)</span><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'> </span><span style='font-family:
"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>###sst</span><span style='font-family:
"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>nc <- open.ncdf("SST_81_14.nc")</span><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>nc</span><span style='font-family:"Helvetica","sans-serif";
color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'> </span><span style='font-family:
"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>lat <- get.var.ncdf(nc,
"lat")</span><span style='font-family:"Helvetica","sans-serif";
color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>lon <- get.var.ncdf(nc,
"lon")</span><span style='font-family:"Helvetica","sans-serif";
color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>tunits <-
att.get.ncdf(nc,"time","units")</span><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'> </span><span style='font-family:
"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'># print tunits</span><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>tunits$value</span><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'> </span><span style='font-family:
"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'># criar tempo "real" Times</span><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>time<-
get.var.ncdf(nc,"time")</span><span style='font-family:"Helvetica","sans-serif";
color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>Time<-chron(time,origin=c(month=1,
day=1, year=1900))</span><span style='font-family:"Helvetica","sans-serif";
color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'> </span><span style='font-family:
"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>## array da variavel sst<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>wm <- get.var.ncdf(nc, "sst")<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>str(wm)<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>## atribuindo dimnames conforme lon, lat e tempo<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>dimnames(wm)[[1]] <- as.character(lon)</span><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>dimnames(wm)[[2]] <- as.character(lat)</span><span
style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span lang=EN-US style='font-family:
"Helvetica","sans-serif";color:black'>dimnames(wm)[[3]] <-
as.character(Time)</span><span style='font-family:"Helvetica","sans-serif";
color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>str(wm)<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>## melt para reestruturação dos dados<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>mwm <- melt(wm)<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";
color:black'>head(mwm)<o:p></o:p></span></p>
</div>
</div>
</div>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span
style='font-family:"Helvetica","sans-serif";color:black'><br>
<br>
<o:p></o:p></span></p>
</div>
</div>
</div>
</div>
</div>
</div>
<br /><br />
<hr style='border:none; color:#909090; background-color:#B0B0B0; height: 1px; width: 99%;' />
<table style='border-collapse:collapse;border:none;'>
<tr>
<td style='border:none;padding:0px 15px 0px 8px'>
<a href="http://www.avast.com/">
<img border=0 src="http://static.avast.com/emails/avast-mail-stamp.png" />
</a>
</td>
<td>
<p style='color:#3d4d5a; font-family:"Calibri","Verdana","Arial","Helvetica"; font-size:12pt;'>
Este email foi escaneado pelo Avast antivírus.
<br><a href="http://www.avast.com/">www.avast.com</a>
</p>
</td>
</tr>
</table>
<br />
</body>
</html>