Canadian Historical Climate Network


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Documentation for package ‘CHCN’ version 1.5

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CHCN-package A package for Building Historical Climate data for Canada
BASE.URL The "base" elements of the url for scraping
CHCN A package for Building Historical Climate data for Canada
createDataset A function to create a dataset from csv files on disk
createInventory Creates an inventory of all stations in the directory
DATA.DIRECTORY Directory for the final data storage
downloadMaster Download the master list of stations
FORMAT.URL A string for completing the http request
formatGhcn creates a 14 column dataset for output
getEmptyCsv A function to check for empty Csv files
getMissingScrape A function to find which scrapes need to be done
MASTER.STATION.LIST Name for the local version of the master station list
MONTHLY.STATION.LIST Name of the local file for Monthly stations
readLocalMaster A function to read a local copy of the master csv file
readMonthlyCsv reads the csv file that contains all the monthly stations
scrapeToCsv A function to scrape files to local csv files
STARTING.STATION.ID The starting unique Id created for these stations
STATION.URL url for getting master station list
writeData Writes a file from a dataframe of climate data
writeGhcn A simple wrapper to 'write.table'
writeInventory Writes inventory data in a format usable by RghcnV3 package
writeMonthlyStations Function to read the master list and write a monthly list of stations. This file is critical to the operation of the scraper.
YEAR.URL A string for making the http request