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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/03/01 21:21:50 UTC

[GitHub] [arrow-cookbook] thisisnic commented on issue #92: [R] Add content on Tables vs. Datasets

thisisnic commented on issue #92:
URL: https://github.com/apache/arrow-cookbook/issues/92#issuecomment-1055869736


   Topics:
   
   - different formats (csv/feather/parquet)
   - partitioning (via group_by or just supplying column names)
   - customising filenames via basename_template param
   - hive_style vs bare values
   - overwrite existing data via existing_data_behavior param
   - fine control over file structure via max_partitions/max_open_files/max_rows_per_file/min_rows_per_group/max_rows_per_group
   - CSV datasets - how to read ones in with or without headers
   - CSV datasets - similarities and differences compared to read_csv_arrow
   - CSV datasets - working with schemas
   - converting datasets from one format to another without loading it all into memory


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