1 intro
> install.packages("plm")
also installing the dependencies ‘miscTools’, ‘Formula’, ‘bdsmatrix’, ‘zoo’, ‘sandwich’, ‘lmtest’, ‘maxLik’
trying URL ‘https://cran.rstudio.com/bin/windows/contrib/3.4/miscTools_0.6-22.zip‘
Content type ‘application/zip‘ length 63121 bytes (61 KB)
downloaded 61 KB
trying URL ‘https://cran.rstudio.com/bin/windows/contrib/3.4/Formula_1.2-2.zip‘
Content type ‘application/zip‘ length 164600 bytes (160 KB)
downloaded 160 KB
trying URL ‘https://cran.rstudio.com/bin/windows/contrib/3.4/bdsmatrix_1.3-3.zip‘
Content type ‘application/zip‘ length 183101 bytes (178 KB)
downloaded 178 KB
trying URL ‘https://cran.rstudio.com/bin/windows/contrib/3.4/zoo_1.8-1.zip‘
Content type ‘application/zip‘ length 915755 bytes (894 KB)
downloaded 894 KB
trying URL ‘https://cran.rstudio.com/bin/windows/contrib/3.4/sandwich_2.4-0.zip‘
Content type ‘application/zip‘ length 1243100 bytes (1.2 MB)
downloaded 1.2 MB
trying URL ‘https://cran.rstudio.com/bin/windows/contrib/3.4/lmtest_0.9-35.zip‘
Content type ‘application/zip‘ length 289030 bytes (282 KB)
downloaded 282 KB
trying URL ‘https://cran.rstudio.com/bin/windows/contrib/3.4/maxLik_1.3-4.zip‘
Content type ‘application/zip‘ length 312374 bytes (305 KB)
downloaded 305 KB
trying URL ‘https://cran.rstudio.com/bin/windows/contrib/3.4/plm_1.6-6.zip‘
Content type ‘application/zip‘ length 1594909 bytes (1.5 MB)
downloaded 1.5 MB
package ‘miscTools’ successfully unpacked and MD5 sums checked
package ‘Formula’ successfully unpacked and MD5 sums checked
package ‘bdsmatrix’ successfully unpacked and MD5 sums checked
package ‘zoo’ successfully unpacked and MD5 sums checked
package ‘sandwich’ successfully unpacked and MD5 sums checked
package ‘lmtest’ successfully unpacked and MD5 sums checked
package ‘maxLik’ successfully unpacked and MD5 sums checked
package ‘plm’ successfully unpacked and MD5 sums checked
The downloaded binary packages are in
C:\Users\lenovo\AppData\Local\Temp\RtmpKSm1zE\downloaded_packages
> library(plm)
载入需要的程辑包：Formula