ROC_AUC_Workflow

Xpath Expression

/default:msms_pipeline_analysis/default:analysis_summary/default:peptideprophet_summary/default:roc_error_data[position()=1]/default:roc_data_point/@sensitivity

Script

BufferedReader getReader (String fileUrl, String encoding) throws IOException {
		InputStreamReader reader;
		try {
			if (encoding == null) {
				reader = new FileReader(fileUrl);
			} else {
				reader = new InputStreamReader(new FileInputStream(fileUrl),encoding); 
			}
		}
		catch (FileNotFoundException e) {
			// try a real URL instead
			URL url = new URL(fileUrl);
			if (encoding == null) {
				reader = new InputStreamReader (url.openStream());
			} else {
				reader = new InputStreamReader (url.openStream(), encoding);
			}
		}
		return new BufferedReader(reader);
	}



StringBuffer sb = new StringBuffer(4000);

if (encoding == void) {
	encoding = null;
}

BufferedReader in = getReader(fileurl, encoding);
String str;
String lineEnding = System.getProperty("line.separator");

while ((str = in.readLine()) != null) {
	sb.append(str);
	sb.append(lineEnding);
}
in.close();
filecontents = sb.toString();
  

Script

c(0.0005,0.00495,0.0095,0.02,0.04,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.025)->x_intervals
AUC=sum(x_intervals*ROC)

R Server