Package index • chva.extras

Convert files to Parquet format

Convert original files (e.g., CSV) to Parquet format

get_parquet_arrow(): Convert multiple files to Parquet format

get_parquet_by_chunk(): Convert file to Parquet format by chunks

Support handy workflow

check_overview(): Check dataset overview

check_unique_value() check_unique_value_overview(): Check unique values in a column

delete_csv(): Delete multiple CSV files

get_counts_by_category(): Get counts by category in wide format

get_dataset(): Get full working datasets

get_grid_points(): Extract grid points within a specific county boundary

get_weather_obs(): Get observation closest to a specific time

interpolate_na(): Interpolate missing values in grouped data

recode_values(): Recode values based on grouping logic

reshape_raster_timeseries(): Reshape raster to dataframe

Compute climate or health indices

cal_absolute_humidity(): Calculate absolute humidity

cal_apparent_temperature(): Calculate apparent temperature

cal_dewpoint_temperature(): Calculate dewpoint temperature

cal_humidex(): Calculate Humidex

cal_mixing_ratio(): Calculate mixing ratio

cal_relative_humidity(): Calculate relative humidity

cal_saturation_vapor_pressure(): Calculate saturation vapor pressure

cal_specific_humidity(): Calculate specific humidity

cal_temperature_humidity_index(): Calculate temperature-humidity index

Sample datasets

load_era5_temperature(): Load hourly ERA5-Land temperature data for the Richmond MSA

sf_va_county: Geographic boundaries of counties and independent cities in Virginia