dmi3kno questions

dmi3kno answers

• Applying multiple model formulas to groups of data
• Investment decision-making: NPV, IRR, PB calculation in R
• How to subset a vector, based on the condition "contains" a character?
• Does a multi-value purrr::pluck exist?
• How to avoid 'sink stack is full' error when sink() is used to capture messages in foreach loop
• Extract first sentence in string
• Using dplyr filter() in programming
• How to round all the values of a prop.table in R in one line?
• R-squared on test data
• How to display emojis in ggplot2 using emo package in R?