phiver questions

phiver answers

• Maximal term length in Document Term Matrix
• Hierarchical clustering using cosine distance in R
• Multiple time series in a long format tsibble
• Label day timing into morning, afternoon and evening in R
• Text extraction from PDF returns strange results in R
• How to optimize string detection for speed?
• 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