[R] problem- Unable To Locate DLL

Hi I am trying to install "lme4" package, but have problems intalling matrix package. I get the following error: RGui: Rgui.exe -Unable To Locate DLL the dynamic link library Rblas could not found in the specified path C:\Program Files\R\R-2.6.2\bin;.;C:\WINNT\system32;C:\WINNT\system;C:\WINN:C:\

[R] Mixed-effects models: question about the syntax to introduce interactions

he model to describe the age-specific fecundity and test the hypothesis of whether one strain shows more variance between individuals and lines or not. I hope some one could give some advise. Thank

[R] Mixed-effecs models- question about syntax to introduce interactions

w to write the model to describe the age-specific fecundity and test the hypothesis of whether one strain shows more variance between individuals and lines or not. I hope some one could give some advise. Thanks in advance!! Anaid Diaz -Anaid <>< <>< <>< <>< &