我不明白为什么我无法在github中安装R包gisfin ...
library("devtools")
install_github("ropengov/gisfin")
Downloading GitHub repo ropengov/gisfin@master
from URL https://api.github.com/repos/ropengov/gisfin/zipball/master
Installing gisfin
Downloading GitHub repo hadley/ggplot2@master
from URL https://api.github.com/repos/hadley/ggplot2/zipball/master
Installing ggplot2
Downloading GitHub repo hadley/scales@master
from URL https://api.github.com/repos/hadley/scales/zipball/master
Error: Could not find build tools necessary to build scales
这是我的会话信息：
sessionInfo()
R version 3.3.1 (2016-06-21)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 7 x64 (build 7601) Service Pack 1
locale:
[1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252 LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C LC_TIME=English_United States.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] stringr_1.1.0 tidyr_0.6.0 dplyr_0.5.0 devtools_1.12.0 sp_1.2-3
loaded via a namespace (and not attached):
[1] Rcpp_0.12.7 rstudioapi_0.6 magrittr_1.5 lattice_0.20-34 R6_2.2.0 httr_1.2.1 pxweb_0.6.3 plyr_1.8.4
[9] tools_3.3.1 grid_3.3.1 data.table_1.9.6 DBI_0.5-1 git2r_0.15.0 withr_1.0.2 htmltools_0.3.5 lazyeval_0.2.0
[17] assertthat_0.1 digest_0.6.10 tibble_1.2 RJSONIO_1.3-0 curl_2.1 memoise_1.0.0 evaluate_0.10 rmarkdown_1.1
[25] stringi_1.1.2 chron_2.3-47
根据@ R.S。评价：
devtools::has_devel()
"C:/PROGRA~1/R/R-33~1.1/bin/x64/R" --no-site-file --no-environ --no-save --no-restore --quiet CMD SHLIB foo.c
c:/Rtools/mingw_64/bin/gcc -I"C:/PROGRA~1/R/R-33~1.1/include" -DNDEBUG -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -std=gnu99 -mtune=core2 -c foo.c -o foo.o
c:/Rtools/mingw_64/bin/gcc -shared -s -static-libgcc -o foo.dll tmp.def foo.o -Ld:/Compiler/gcc-4.9.3/local330/lib/x64 -Ld:/Compiler/gcc-4.9.3/local330/lib -LC:/PROGRA~1/R/R-33~1.1/bin/x64 -lR
[1] TRUE