Man pages for data.table
Extension of data.frame
| address | Address in RAM of a variable |
| all.equal.data.table | Equality Test Between Two Data Tables |
| assign | Assignment by reference |
| between | Convenience function for range subset logic. |
| chmatch | Faster match of character vectors |
| data.table | Enhanced data.frame |
| data.table-class | S4 Definition for data.table |
| dcast.data.table | Fast dcast for data.table |
| duplicated | Determine Duplicate Rows |
| fread | Fast and friendly file finagler |
| IDateTime | Integer based date class |
| J | Creates a Join data table |
| last | Last item of an object |
| like | Convenience function for calling regexpr. |
| melt.data.table | Fast melt for data.table |
| merge | Merge Two Data Tables |
| rbindlist | Makes one data.table from a list of many |
| setattr | Set attributes to objects by reference |
| setDF | Convert a data.table to data.frame by reference |
| setDT | Convert lists and data.frames to data.table by reference |
| setkey | Create key on a data table |
| setNumericRounding | Change or turn off numeric rounding |
| setorder | Fast reordering of a data.table by reference |
| subset.data.table | Subsetting data.tables |
| tables | Display all objects of class 'data.table' |
| test.data.table | Runs a set of tests. |
| timetaken | Pretty print of time taken |
| transform.data.table | Data table utilities |
| truelength | Over-allocation access |
