[R] loading

[farzana akbari]

 hi I install plm and pglm packages but I  can not load no one of them. the
massage of loading plm is

> library(plm)
Loading required package: Formula


and for pglm is



> library(pglm)
Loading required package: maxLik
Loading required package: miscTools

Please cite the 'maxLik' package as:
Henningsen, Arne and Toomet, Ott (2011). maxLik: A package for maximum
likelihood estimation in R. Computational Statistics 26(3), 443-458. DOI
10.1007/s00180-010-0217-1.

If you have questions, suggestions, or comments regarding the 'maxLik'
package, please use a forum or 'tracker' at maxLik's R-Forge site:
https://r-forge.r-project.org/projects/maxlik/

can you help me? and also when i wanna Formula package there is no massage
. for installing Formula massage is
--- Please select a CRAN mirror for use in this session ---
Warning: package ‘Formula’ is in use and will not be installed


i used  3.1.3  and  3.2.4 ver *64  and  32  and my computer is 64 bit



please help me

	[[alternative HTML version deleted]]