Greg Snow questions

Greg Snow answers

• Redirect all plot output to specific file
• How do I find the correlation and the covariance matrix from a data with a dummy variable?
• Specifing order of lattice plot panels
• How is the margin between plots manipulated?
• How to Avoid Recalculation of Data in R
• Creation of an object inside names<-() gives an error. How to explain?
• Replace a number in dataframe
• extract data from only columns matching character strings
• Fit many linear models in R with identical design matrices [duplicate]
• How are loess and locfit different? [closed]