O caso abaixo funciona para mim... mas nao tenho como testar no no 2.14.1 agora. b
library(ggmap) ggmapplot(ggmap('Paris', verbose = TRUE), fullpage = TRUE) grabbing map... done. sessionInfo() R Under development (unstable) (2012-01-11 r58090) Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
locale: [1] C attached base packages: [1] grid stats graphics grDevices datasets utils methods [8] base other attached packages: [1] ggmap_1.2 proto_0.3-9.2 reshape2_1.2.1 [4] plyr_1.7.1 scales_0.2.0 ggplot2_0.9.0 [7] ReadImages_0.1.3.1 RgoogleMaps_1.1.9.15 png_0.1-4 [10] RColorBrewer_1.0-5 BiocInstaller_1.1.28 loaded via a namespace (and not attached): [1] MASS_7.3-17 colorspace_1.1-1 dichromat_1.2-4 digest_0.5.1 [5] memoise_0.1 munsell_0.3 stringr_0.6 tools_2.15.0