Adrian questions

• R: calculate the row mean in a matrix
• R: extract string before and after keyword
• R: how to obtain unique pairwise combinations of 2 vectors [duplicate]
• How to visualize change in binary/categorical data over time?
• Calculating cumulative hypergeometric distribution
• R: how to double the entries in each row of a matrix and insert new rows
• How to order column of data.frame by another variable [duplicate]
• SQL: how to group years together
• How to swap the column and row entries in R
• How to predict with cv.glm in R

Adrian answers