org.biojava.nbio.survival.kaplanmeier.metadata.MeanQuantizer Maven / Gradle / Ivy
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/*
* BioJava development code
*
* This code may be freely distributed and modified under the
* terms of the GNU Lesser General Public Licence. This should
* be distributed with the code. If you do not have a copy,
* see:
*
* http://www.gnu.org/copyleft/lesser.html
*
* Copyright for this code is held jointly by the individual
* authors. These should be listed in @author doc comments.
*
* For more information on the BioJava project and its aims,
* or to join the biojava-l mailing list, visit the home page
* at:
*
* http://www.biojava.org/
*
*/
package org.biojava.nbio.survival.kaplanmeier.metadata;
import org.apache.commons.math.stat.descriptive.DescriptiveStatistics;
import org.biojava.nbio.survival.data.WorkSheet;
/**
*
* @author Scooter Willis
*/
public class MeanQuantizer implements DiscreteQuantizerInterface {
/**
*
* @param worksheet
* @param column
*/
@Override
public void process(WorkSheet worksheet, String column) {
DescriptiveStatistics ds = new DescriptiveStatistics();
for (String row : worksheet.getRows()) {
try {
Double d = Double.parseDouble(worksheet.getCell(row, column));
ds.addValue(d);
} catch (Exception e) {
}
}
Double mean = ds.getMean();
for (String row : worksheet.getRows()) {
try {
Double d = Double.parseDouble(worksheet.getCell(row, column));
if (d < mean) {
worksheet.addCell(row, column, "L");
} else {
worksheet.addCell(row, column, "H");
}
} catch (Exception e) {
try {
worksheet.addCell(row, column, "");
} catch (Exception e1) {
}
}
}
}
}