Man pages for disk.frame
Larger-than-RAM Disk-Based Data Manipulation Framework
| add_chunk | Add a chunk to the disk.frame |
| as.data.frame.disk.frame | Convert disk.frame to data.frame by collecting all chunks |
| as.data.table.disk.frame | Convert disk.frame to data.table by collecting all chunks |
| as.disk.frame | Make a data.frame into a disk.frame |
| bind_rows.disk.frame | Bind rows |
| chunk_group_by | #' @export #' @importFrom dplyr add_count #' @rdname... |
| cmap | Apply the same function to all chunks |
| cmap2 | 'cmap2' a function to two disk.frames |
| collect | Bring the disk.frame into R |
| colnames | Return the column names of the disk.frame |
| compute.disk.frame | Force computations. The results are stored in a folder. |
| create_chunk_mapper | Create function that applies to each chunk if disk.frame |
| csv_to_disk.frame | Convert CSV file(s) to disk.frame format |
| delete | Delete a disk.frame |
| df_ram_size | Get the size of RAM in gigabytes |
| disk.frame | Create a disk.frame from a folder |
| disk.frame_to_parquet | A function to convert a disk.frame to parquet format |
| dplyr_verbs | The dplyr verbs implemented for disk.frame |
| evalparseglue | Helper function to evalparse some 'glue::glue' string |
| find_globals_recursively | Find globals in an expression by searching through the chain |
| foverlaps.disk.frame | Apply data.table's foverlaps to the disk.frame |
| gen_datatable_synthetic | Generate synthetic dataset for testing |
| get_chunk | Obtain one chunk by chunk id |
| get_chunk_ids | Get the chunk IDs and files names |
| get_partition_paths | Get the partitioning structure of a folder |
| group_by | A function to parse the summarize function |
| groups.disk.frame | The shard keys of the disk.frame |
| head_tail | Head and tail of the disk.frame |
| is_disk.frame | Checks if a folder is a disk.frame |
| join | Performs join/merge for disk.frames |
| merge.disk.frame | Merge function for disk.frames |
| move_to | Move or copy a disk.frame to another location |
| nchunks | Returns the number of chunks in a disk.frame |
| ncol_nrow | Number of rows or columns |
| one-stage-group-by-verbs | One Stage function |
| overwrite_check | Check if the outdir exists or not |
| partition_filter | Filter the dataset based on folder partitions |
| play | Play the recorded lazy operations |
| print.disk.frame | Print disk.frame |
| pull.disk.frame | Pull a column from table similar to 'dplyr::pull'. |
| purrr_as_mapper | Used to convert a function to purrr syntax if needed |
| rbindlist.disk.frame | rbindlist disk.frames together |
| rechunk | Increase or decrease the number of chunks in the disk.frame |
| recommend_nchunks | Recommend number of chunks based on input size |
| remove_chunk | Removes a chunk from the disk.frame |
| sample | Sample n rows from a disk.frame |
| setup_disk.frame | Set up disk.frame environment |
| shard | Shard a data.frame/data.table or disk.frame into chunk and... |
| shardkey | Returns the shardkey (not implemented yet) |
| shardkey_equal | Compare two disk.frame shardkeys |
| show_ceremony | Show the code to setup disk.frame |
| split_string_into_df | Turn a string of the form /partion1=val/partion2=val2 into... |
| srckeep | Keep only the variables from the input listed in selections |
| sub-sub-.disk.frame | [[ interface for disk.frame using fst backend |
| tbl_vars.disk.frame | Column names for RStudio auto-complete |
| write_disk.frame | Write disk.frame to disk |
| zip_to_disk.frame | 'zip_to_disk.frame' is used to read and convert every CSV... |
