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Dear all, I am puzzled that how can i uninstall a R package that have been installed earlier (especially in MacOS). Any suggestion will be appreciated. -- Wenjun [[alternative HTML version deleted]]

...R-squared and P-value from the lm results described below (in Italic), *Residual standard error: 2.25 on 17 degrees of freedom* *Multiple R-squared: 0.001069, Adjusted R-squared: -0.05769 * *F-statistic: 0.01819 on 1 and 17 DF, p-value: 0.8943 * * * Any suggestions will be appreciated. Thanks. Wenjun [[alternative HTML version deleted]]

Hi, R Users, Can maintainer rename the package on F-Forge? Any suggestions will be appreciated. Wenjun -- Wenjun [[alternative HTML version deleted]]

...t symbols by pch in function grid.points, but the symbols needed should be with solid or hollow, in this way only 21 to 25 in pch worked, is there any other symbols could be used like this? or does it exist any other way to draw symbols? Any suggestions will be appreciated. Best regards. -- Wenjun [[alternative HTML version deleted]]

...Block=rep(1:3,each=9)) Rice.lme<-lme(Yield ~ Variety + Stand + Block,data=Rice) And error will be like below: Wrong at getGroups.data.frame(dataMix, groups) : Invalid formula for groups can you give me some advice and you will be appreciated. Thanks. Wenjun. [[alternative HTML version deleted]]

..., 9; Block, 3; Stand, 3; Variety, 3 Fixed effects: Estimate Std. Error t value (Intercept) 7.1852 0.6919 10.38 Can you give me some advice for recognizing the significant variables among random effects above without other calculating. Any suggestions will be appreciated. Wenjun [[alternative HTML version deleted]]