求助：**准备装RTextTools，差maxent**
> install.packages("C:/Users/lenovo/Desktop/RTextTools_1.4.2.tar.gz", repos = NULL, type = "source")
Installing package into ‘C:/Users/lenovo/Documents/R/win-library/3.6’
(as ‘lib’ is unspecified)
ERROR: dependency 'maxent' is not available for package 'RTextTools'
* removing 'C:/Users/lenovo/Documents/R/win-library/3.6/RTextTools'
Warning in install.packages :
installation of package ‘C:/Users/lenovo/Desktop/RTextTools_1.4.2.tar.gz’ had non-zero exit status
离线装maxent又报错
C:/Users/lenovo/Documents/R/win-library/3.6/Rcpp/include/Rcpp/module/Module_generated_function.h:62:6: note: template<class RESULT_TYPE, class U0, class U1> void Rcpp::function(const char*, RESULT_TYPE (*)(U0, U1), const char*)
void function(const char* name_, RESULT_TYPE (*fun)(U0 u0, U1 u1), const char* docstring = 0) {
^
C:/Users/lenovo/Documents/R/win-library/3.6/Rcpp/include/Rcpp/module/Module_generated_function.h:54:6: note: template<class RESULT_TYPE, class U0> void Rcpp::function(const char*, RESULT_TYPE (*)(U0), Rcpp::List, const char*)
void function(const char* name_, RESULT_TYPE (*fun)(U0 u0), Rcpp::List formals, const char* docstring = 0) {
^
C:/Users/lenovo/Documents/R/win-library/3.6/Rcpp/include/Rcpp/module/Module_generated_function.h:46:6: note: template<class RESULT_TYPE, class U0> void Rcpp::function(const char*, RESULT_TYPE (*)(U0), const char*)
void function(const char* name_, RESULT_TYPE (*fun)(U0 u0), const char* docstring = 0) {
^
C:/Users/lenovo/Documents/R/win-library/3.6/Rcpp/include/Rcpp/module/Module_generated_function.h:38:6: note: template<class RESULT_TYPE> void Rcpp::function(const char*, RESULT_TYPE (*)(), Rcpp::List, const char*)
void function(const char* name_, RESULT_TYPE (*fun)(void), Rcpp::List formals, const char* docstring = 0) {
^
C:/Users/lenovo/Documents/R/win-library/3.6/Rcpp/include/Rcpp/module/Module_generated_function.h:30:6: note: template<class RESULT_TYPE> void Rcpp::function(const char*, RESULT_TYPE (*)(), const char*)
void function(const char* name_, RESULT_TYPE (*fun)(void), const char* docstring = 0) {
^
In file included from C:/Users/lenovo/Documents/R/win-library/3.6/Rcpp/include/RcppCommon.h:61:0,
from C:/Users/lenovo/Documents/R/win-library/3.6/Rcpp/include/Rcpp.h:27,
from maxent.h:8,
from rmaxent.cpp:14:
C:/Rtools/mingw_32/i686-w64-mingw32/include/c++/functional:1834:11: note: template<class _Signature> class std::function
class function;
^
make: *** [C:/PROGRA~1/R/R-36~1.2PA/etc/i386/Makeconf:215: rmaxent.o] Error 1
ERROR: compilation failed for package 'maxent'
* removing 'C:/Users/lenovo/Documents/R/win-library/3.6/maxent'
Warning in install.packages :
installation of package ‘C:/Users/lenovo/Desktop/maxent_1.3.3.tar.gz’ had non-zero exit status