Man pages for HikaGenji/fql
Functional Query Language
| aj | As of join |
| coalesce | Replace missing value with value |
| compose | compose functions |
| cross | Apply a function on the cartesian product of two lists |
| dict | Create a named vector, imitating python dict |
| drop | drop values from vector |
| each | Apply function to a list |
| fills | Fills forward missing values in a vector |
| fql-package | Functional queries for R |
| like | evaluate regular expression |
| lj | Lower join |
| sample | sample from vector with replacement |
| select | Functional select |
| take | take values from head of vector |
| uj | Upper join |
| ungroup | Coerce a list of dataframes into a single dataframe |
| update | Update a dataframe, functional style |
| xasc | Sort a dataframe by a (or more) column key(s) |
| xbar | evaluate regular expression |
| xcol | The verb xcol renames columns in a table. |
| xcols | Reorder columns in a table. |
| xdesc | Sort a dataframe in descending order by a (or more) column... |
| xgroup | Group a dataframe into a list of dataframe along keys |
| xkey | Set the primary keys in a table |
| xprev | Return the nth previous element to each item in a vector |
