phiver questions

phiver answers

• r - Lag a data.frame by the number of NAs
• Set the background color for quantmod::chart_Series
• How to interpret H2O's time data type?
• final model in cross-validation using caret package
• Add Date Column to XTS Object
• Create Document Term Matrix with N-Grams in R
• How can I highlight some specific municipalities in a map with ggplot?
• Calculating age of peak performance in R [duplicate]
• Error using "TermDocumentMatrix" and "Dist" functions in R
• lemmatization of german words (Capital letters and lower case letters)