{Tendo trocado o rollmeans por as.numeric(filter(...,rep(1/k,k)))}
a[ind[[1236]],] P R TF CC y z 5336 2000 a 2 H-149 -0.58980125 0.89245059 5337 2001 a 2 H-149 -0.30313496 0.80465434 5338 2002 a 2 H-149 0.44012483 0.04397054 5339 2003 a 2 H-149 0.69327940 0.92602362 5340 2004 a 2 H-149 0.99503929 0.04675309 5341 2005 a 2 H-149 0.42726631 0.11998856 5342 2006 a 2 H-149 0.79151124 0.62517505 5343 2007 a 2 H-149 0.03419038 0.17260339 5344 2008 a 2 H-149 -1.09881623 0.06194616 5345 2009 a 2 H-149 -1.40466597 0.65221994 5346 2010 a 2 H-149 0.33611981 0.75061715
rollmean(a$y[ind[[1236]]],k=3) [1] -0.15093713 0.27675642 0.70948117 0.70519500 0.73793895 0.41765598 [7] -0.09103821 -0.82309727 -0.72245413
as.numeric(filter(a$y[ind[[1236]]],rep(1/3,3))) [1] NA -0.15093713 0.27675642 0.70948117 0.70519500 0.73793895 [7] 0.41765598 -0.09103821 -0.82309727 -0.72245413 NA
a.2.1[ind[[1236]],] P R TF CC y z ma.y ma.z 5336 2000 a 2 H-149 -0.58980125 0.89245059 NA NA 5337 2001 a 2 H-149 -0.30313496 0.80465434 0.166157683 0.4568073 5338 2002 a 2 H-149 0.44012483 0.04397054 -0.059065996 0.3583828 5339 2003 a 2 H-149 0.69327940 0.92602362 -0.753337620 0.2276365 5340 2004 a 2 H-149 0.99503929 0.04675309 -0.317292642 0.2064822 5341 2005 a 2 H-149 0.42726631 0.11998856 -0.005409283 0.4334700 5342 2006 a 2 H-149 0.79151124 0.62517505 0.922745865 0.5686237 5343 2007 a 2 H-149 0.03419038 0.17260339 0.383932084 0.8054191 5344 2008 a 2 H-149 -1.09881623 0.06194616 0.357232515 0.7202149 5345 2009 a 2 H-149 -1.40466597 0.65221994 0.460484404 0.5946082 5346 2010 a 2 H-149 0.33611981 0.75061715 NA NA
a.3.1[ind[[1236]],] R CC TF P y z [1,] a H-149 2 2000 NA NA [2,] a H-149 2 2001 -0.15093713 0.5803585 [3,] a H-149 2 2002 0.27675642 0.5915495 [4,] a H-149 2 2003 0.70948117 0.3389157 [5,] a H-149 2 2004 0.70519500 0.3642551 [6,] a H-149 2 2005 0.73793895 0.2639722 [7,] a H-149 2 2006 0.41765598 0.3059223 [8,] a H-149 2 2007 -0.09103821 0.2865749 [9,] a H-149 2 2008 -0.82309727 0.2955898 [10,] a H-149 2 2009 -0.72245413 0.4882611 [11,] a H-149 2 2010 NA NA