filter_date_and_country: Earthquake data filtering

Description Usage Arguments Value Examples

Description

This function filters the earthquake data data - generated by U.S. National Oceanographic and Atmospheric Administration (NOAA) database - based on specified minimum date xmindate, maximum date xmaxdate and country country.

Usage

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filter_date_and_country(data, xmindate, xmaxdate, country)

Arguments

data

A preproccessed tibble (data.frame) of NOAA earthquakes dataset

xmindate

a character vector indicating the mininum date specified for earthquakes time line plotting. Should follow the format of YYYY-MM-DD.

xmaxdate

a character vector indicating the maximum date specified for earthquakes time line plotting. Should follow the format of YYYY-MM-DD.

country

a vector of character strings for the countries of interest. By default it shows earthquake data related to USA.

Value

This function returns a tibble (data.frame)

Examples

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NOAA_clean_data = eq_clean_data("https://www.ngdc.noaa.gov/nndc/struts/results?type_0=Exact&query_0=$ID&t=101650&s=13&d=189&dfn=signif.txt")
NOAA_filtered = filter_date_and_country(NOAA_clean_data, xmindate = "1999-01-01", xmaxdate = "2017-12-31", country = c("CHINA", "USA"))
head(NOAA_filtered)

androsova/NOAA documentation built on May 10, 2019, 11:44 a.m.