extractDataPoints: extractDataPoints

In Agriculturist/SimpleDigitizeR: Digitizes Data From A Plot

Description

This function extracts calibration points.

Usage

extractDataPoints(numberOfPoints, numberOfPointsInRow = 7, type = "p",
  pch = 4, col = "blue", lwd = 2, roundValue = 5)

Arguments

numberOfPoints	the number of datapoints to extract
numberOfPointsInRow	the number of points printed per row in output
type	same as pch in bas graphics
pch	same as pch base graphics
col	same as col in base graphics
lwd	same as lwd in base graphics
roundValue	number of decimal points to round text output

Details

To use this function first prepare an extraction plot using the prepareExtractionPlot function.

Count the number of points in the dataset to be extracted.

Run the function

Click on every point in the dataset

The text printed from this function can be copied directly as R code. This way the image does not need to be recalibrated every time the code is run.

Examples

prepareExtractionPlot("figure_7_Rogers_Commission_1986.png")
dataPoints <- extractDataPoints(24)

Agriculturist/SimpleDigitizeR documentation built on July 28, 2020, 4:22 a.m.