vitor questions

• non-central chi-square probability and non-centrality parameter
• Separate a column into multiple columns using tidyr::separate with sep=""
• How can I print the elements of an array repeated twice each side-by-side?
• Understanding bandwidth smoothing in ggplot2
• How to delete characters in a string according to a second string?
• faster way to compare rows in a data frame
• Filter out rows from one data.frame that are present in another data.frame

vitor answers