Adrian questions

• How to swap the column and row entries in R
• How to predict with cv.glm in R
• How to select starting value for covariates in NLME
• R: how to change font and alignment of text in knitr word
• R: how to remove certain rows in data.frame
• How to replace 0s in a matrix with a pre-specified value
• R: using factor variables in nlme function
• R: where is the gradient step in the xgboost source code?
• R: using dplyr to remove certain rows in the data.frame
• R: how to extract information from summary model fit

Adrian answers