Andre Wildberg questions

Andre Wildberg answers

• Exponential moving average of a vector in R
• Boolean addition in R data frame produces a boolean instead of an integer
• Use regex to replace duplicate phrases
• Separate string column of varying lengths and multiple delimiters into new columns using tidyr
• Subtracting a named vector from another named vector
• Count of values across multiple columns in R
• Conditional mutate based on order of variables
• Awk to print a single next word followin a pattern match
• Order columns alphabetically in dataframe Julia
• How to filter a string variable for values starting with a letter