Noun
dataframe (plural dataframes)
(computing) A two-dimensional array of data items, rather like a spreadsheet.
Coordinate term: data cube
Users can access Spark DataFrame APIs, write Spark SQL, and create user-defined functions UDFs). Source: Internet
In other words, any changes made to the DataFrame does not affect the metadata. Source: Internet
Stratified sampling based on event days using Spark Dataframe (Python)That careful sampling for validation set did pay off during competition, because my CV score matched the public leaderboard score up to the fourth decimal digit. Source: Internet