Marek Fiołka questions

Marek Fiołka answers

• Converting image array to RGB to HSL/HSV and back?
• Discretely selecting the variables/columns I want in the parallel coordinate plot, and setting it so that this legend also displays the actual value
• How to print on a serie sof graphs pairwise comparisons bars and effect size value?
• R how to speed up pattern matching using vectors
• R - mgsub problem: substrings being replaced not whole strings
• Keyboard shortcut to split screen in half with source pane on left and console pane
• How to summarize data by-group, by creating dummy variables as the collapsing method
• Selecting such vector elements so that the sum of elements is exactly equal to the specified value