Man pages for BAAQMD/qtytools
Parse, Manipulate, and Predict Quantities
| apply_scalars | Multiply a column in one dataset by one or more variables... |
| bin | Like 'round()', but you're not limited to 0.1s, 0.01s, etc. |
| carry_forward | Carry non-NA values forward, replacing NAs |
| convert_quantities | Easily convert between different units of measurement. |
| GM | Geometric mean |
| int | Safely coerce to integer(s) |
| is_int | Test for integer-ish-ness |
| is_units | is_units |
| lerp | Linear interpolation |
| locf | Last Observation Carried Forward |
| multiply_each | Multiply numbers by a given amount |
| percent_of | share_of |
| round_half_up | round_half_up |
| share_of | share_of |
| sum_emissions | Sum Emissions In Tabular Data |
| sum_quantities_by | Sum Quantities In Tabular Data |
| sum_throughputs | Sum Throughputs In Tabular Data |
| tabulate_quantities_by | Total, then spread, annual quantities |
| top_q | Select top q rows (by value) |
| total | Add numbers, ignoring NAs |
| total_each | Total selected columns of a data frame |
| trim_values | Replace out-of-range values |
