akrun questions

akrun answers

• R Matrix package: Demean sparse matrix
• classifying multiple observations within one variable so then i can categorise them in new column . how can i make the code shorter? in R
• R – Replicate/Automate scatterplots for each string group in column
• Targetting a specific column within a dplyr pipe
• Add vector as a column to a data.frame with fill = NA
• Pull out column names of cells which match logical criteria
• separate a column into multiple variables with unique column names in R
• How to calculate days between occurrences by groups
• How is using aggregate function in R vs sum(Dataframe$columns)/N different?
• Extract number from string and replicate their associated value