Tag: data_frame

• R - tibble package: use tibbles instead of dataframes (30 May 2020)
  
• R - reshape() - direction wide (30 May 2020)
  
• R - rcorr(): correlations for whole dataset (30 May 2020)
  
• R - represent data frame with tibble package (09 Dec 2019)
  
• R - convert matrix wide to long format with as.table() or melt() (03 Jun 2018)
  
• R - Test if a data frame row exists in an other data frame (26 Aug 2017)
  
• R - by() and data.table: select data frame on > 1 criterion (e.g. select min start and max end) (26 Aug 2017)