cs_projectXY: Project Data

In compstatr: Tools for St. Louis Crime Data

Description

cs_projectXY converts STLMPD data into a simple features object using the XCoord and YCoord columns.

Usage

cs_projectXY(.data, varX, varY, crs)

Arguments

.data	A tibble or data frame
varX	Name of column containing x coordinate data
varY	Name of column containing y coordinate data
crs	integer with the EPSG code, or character with proj4string representing the coordinate reference system

Value

A sf object with the crime data projected for mapping.

Examples

# load example data
testData <- january2018

# identify missing x and y coordinates
testData <- cs_missingXY(testData, varX = x_coord, varY = y_coord, newVar = missingXY)

# subset to remove missing data
testData <- dplyr::filter(testData, missingXY == FALSE)

# project data
testData_sf <- cs_projectXY(testData, varX = x_coord, varY = y_coord)

# project data and transform to new CRS
testData_sf <- cs_projectXY(testData, varX = x_coord, varY = y_coord, crs = 4269)

compstatr documentation built on July 8, 2020, 7:34 p.m.