Heroka questions

Heroka answers

• Loop linear regression and saving coefficients
• reshaping columns in a data frame
• make pch symbols bigger in legend in R
• R: Calculate SD in each row over a selection of columns after removing minimum and maximum
• Create table from list of tags lists in R
• how to use aes_string for groups in ggplot2 inside a function when making boxplot
• Plot factor as line or area instead of rectangle
• Reduce/do.call to bind_rows in list of lists of data.frames
• Combining lines in character vector in R
• How to bind data.table without increasing the memory consumption?