摘要:
The time i have tried to install the package named 'PODBC' and it worked.But now i meet a problem with package named 'pmg' again.> install.packages('p... 阅读全文
摘要:
Today, i try to install a package in R named 'DOBDC', while i meet a message:> install.packages('RODBC')package ‘RODBC’ is available as a source packa... 阅读全文