private String toStringTrueFalse() {
StringBuilder sb = new StringBuilder();
final int COLUMN_WIDTH = 14;
String formatString = "%" + COLUMN_WIDTH + "s";
// make header.
sb.append("True-False: \n-----------\n");
sb.append(String.format(formatString, "Index"));
sb.append(String.format(formatString, "Trials"));
for (AlgorithmType t : AlgorithmType.values()) {
sb.append(String.format(formatString, t));
}
sb.append(String.format(formatString, "Agent"));
sb.append(String.format(formatString, "Description"));
sb.append("\n");
for (int i = 0; i < AlgorithmType.values().length + 4; i++)
sb.append(String.format(formatString, "-------------"));
sb.append("\n");
int totalCount = 0; // for displaying the total count at the bottom.
double weightedAgentAccuracy =
0; // for calculating weighted accuracy rate across all question profiles.
// display values.
for (int i = 0; i < NUM_FEATURE_COMBOS; i++) {
// 2016/01/05 - version 2.0.0 - added condition for
// trial counts > 0 in order to remove the "zero" rows,
// i.e., rows showing profile indices where there are no
// trials.
// Also, added the hasFeature(truefalse) condition.
if (trialCounts[i] > 0 && Profile.hasFeature(i, FeatureType.TRUE_FALSE.ordinal())) {
sb.append(String.format(formatString, i));
sb.append(String.format(formatString, trialCounts[i]));
for (int j = 0; j < AlgorithmType.values().length; j++) {
sb.append(String.format("%" + COLUMN_WIDTH + ".3f", successProbs[i][j]));
}
double agentAccuracy = maxSuccessProb(successProbs[i]);
sb.append(String.format("%" + COLUMN_WIDTH + ".3f", agentAccuracy));
sb.append(Profile.getDescription(i));
sb.append("\n");
totalCount += trialCounts[i];
weightedAgentAccuracy += trialCounts[i] * agentAccuracy;
}
}
weightedAgentAccuracy /= totalCount;
// display total trial count
// sb.append(String.format("%" + COLUMN_WIDTH + "s%" + COLUMN_WIDTH
// + "d\n", "Total Count:", totalCount));
sb.append(
String.format(
"%"
+ COLUMN_WIDTH
+ "s%"
+ COLUMN_WIDTH
+ "d%"
+ COLUMN_WIDTH * 9
+ "s%"
+ COLUMN_WIDTH
+ ".3f\n",
"Total Count:",
totalCount,
" ",
weightedAgentAccuracy));
return new String(sb);
}
/**
* ProfileData acts as a data store facility for the results of the test performed by the Profile
* object. This data includes the number of trials and number of successes among those trials (i.e.,
* the number of times the correct answer was selected) broken down by algorithm type and question
* profile (i.e., by combination of features).
*
* @author jjohnson346
*/
public class ProfileData {
private int[][] successCounts; // stores the number of successes for each
// question profile,
// for each algo.
public final int[] trialCounts; // stores the number of trials for each
// question profile.
public final double[][] successProbs; // the prob of success for each algo,
// for each question profile
// IMPORTANT: note that it is PUBLIC
private final int NUM_ALGOS = AlgorithmType.values().length; // the number
// of algos
// to store
// data for
private final int NUM_FEATURES = FeatureType.values().length; // the number
// of
// features
// identified
private final int NUM_FEATURE_COMBOS = (int) Math.pow(2.0, NUM_FEATURES); // the
// number
// of
// combos
// of
// features,
// assume
// true/false
// value
// for
// each.
/**
* constructor initializes the successCounts, trialCounts and successProbs arrays according to the
* number of algos, number of features, and the consequent number of feature combinations.
*/
public ProfileData() {
successCounts = new int[NUM_FEATURE_COMBOS][NUM_ALGOS];
trialCounts = new int[NUM_FEATURE_COMBOS];
successProbs = new double[NUM_FEATURE_COMBOS][NUM_ALGOS];
}
/**
* inserts the results data for a question into the data store. That is, this function inserts for
* each algorithm, the results of applying that algorithm on the question, as given by the array,
* results, passed in as an input argument. This data is inserted the location of the data store
* corresponding to the profile for the given question.
*
* @param question the question for which to insert the data, the profile is the pertinent info,
* here.
* @param results an array of booleans giving whether the corresponding algo was successful on the
* question.
*/
public void insert(CFEExamQuestion question, boolean[] results) {
// get the profile for the question passed in as an input parm.
int profileIndex = question.getProfile().getProfileIndex();
// increment the number of trials for the index corresponding to the
// question's profile.
trialCounts[profileIndex]++;
// increment the success count in the successCounts array for those
// algos that were successful.
for (int j = 0; j < successCounts[profileIndex].length; j++) {
if (results[j]) successCounts[profileIndex][j]++;
}
}
/**
* calculates the probability of success for a each algorithm on each question profile and stores
* the results in a public array, successProbs, which is used by the CFEExamAgent to determine on
* each question it confronts which algo to use. That is, it picks the algo with highest
* probability of success given the profile of the current question.
*/
public void calculate() {
for (int i = 0; i < NUM_FEATURE_COMBOS; i++) {
for (int j = 0; j < NUM_ALGOS; j++) {
if (trialCounts[i] != 0) successProbs[i][j] = (double) successCounts[i][j] / trialCounts[i];
else successProbs[i][j] = 0.0;
}
}
}
/**
* loads profile data from file, profile data.txt, and stores the contents in the public array,
* successProbs. successProbs is the critical array used by the CFEExamAgent for selecting the
* algo to use on each question it confronts.
*/
public void load() throws FileNotFoundException {
// change backslashes to forward slashes for mac version.
// Scanner scanner = new Scanner(new
// File("profile data\\profile data.txt"));
Scanner scanner = new Scanner(new File("profile data//profile data.txt"));
// skip first 2 header lines.
scanner.nextLine();
scanner.nextLine();
for (int i = 0; i < NUM_FEATURE_COMBOS; i++) {
// skip first column showing the index.
scanner.nextInt();
trialCounts[i] = scanner.nextInt();
for (int j = 0; j < NUM_ALGOS; j++) {
successProbs[i][j] = scanner.nextDouble();
}
}
scanner.close();
}
/**
* returns a pretty formatted version of the contents of number of trials and successProb for each
* question profile.
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(toStringTrueFalse());
sb.append("\n\n");
sb.append(toStringMultipleChoice());
return new String(sb);
// StringBuilder sb = new StringBuilder();
//
// final int COLUMN_WIDTH = 14;
// String formatString = "%" + COLUMN_WIDTH + "s";
//
// // make header.
// sb.append(String.format(formatString, "Index"));
// sb.append(String.format(formatString, "Trials"));
//
// for (AlgorithmType t : AlgorithmType.values()) {
// sb.append(String.format(formatString, t));
// }
// sb.append(String.format(formatString, "Agent"));
// sb.append(String.format(formatString, "Description"));
// sb.append("\n");
// for (int i = 0; i < AlgorithmType.values().length + 4; i++)
// sb.append(String.format(formatString, "-------------"));
// sb.append("\n");
//
// // display values.
// for (int i = 0; i < NUM_FEATURE_COMBOS; i++) {
// // 2016/01/05 - version 2.0.0 - added condition for
// // trial counts > 0 in order to remove the "zero" rows,
// // i.e., rows showing profile indices where there are no
// // trials.
// if (trialCounts[i] > 0) {
// sb.append(String.format(formatString, i));
// sb.append(String.format(formatString, trialCounts[i]));
//
// for (int j = 0; j < AlgorithmType.values().length; j++) {
// sb.append(String.format("%" + COLUMN_WIDTH + ".3f", successProbs[i][j]));
// }
// sb.append(String.format("%" + COLUMN_WIDTH + ".3f", maxSuccessProb(successProbs[i])));
// sb.append(Profile.getDescription(i));
// sb.append("\n");
// }
// }
//
// // display total trial count
// int totalCount = 0;
// for (int i = 0; i < trialCounts.length; i++) {
// totalCount += trialCounts[i];
// }
// sb.append(String.format("%" + COLUMN_WIDTH + "s%" + COLUMN_WIDTH
// + "d\n", "Total Count:", totalCount));
//
// return new String(sb);
}
private String toStringMultipleChoice() {
StringBuilder sb = new StringBuilder();
final int COLUMN_WIDTH = 14;
String formatString = "%" + COLUMN_WIDTH + "s";
// make header.
sb.append("Multiple Choice:\n----------------\n");
sb.append(String.format(formatString, "Index"));
sb.append(String.format(formatString, "Trials"));
for (AlgorithmType t : AlgorithmType.values()) {
sb.append(String.format(formatString, t));
}
sb.append(String.format(formatString, "Agent"));
sb.append(String.format(formatString, "Description"));
sb.append("\n");
for (int i = 0; i < AlgorithmType.values().length + 4; i++)
sb.append(String.format(formatString, "-------------"));
sb.append("\n");
int totalCount = 0; // for displaying the total count at the bottom.
double weightedAgentAccuracy =
0; // for calculating weighted accuracy rate across all question profiles.
// display values.
for (int i = 0; i < NUM_FEATURE_COMBOS; i++) {
// 2016/01/05 - version 2.0.0 - added condition for
// trial counts > 0 in order to remove the "zero" rows,
// i.e., rows showing profile indices where there are no
// trials.
// Also, added the !hasFeature(truefalse) condition.
if (trialCounts[i] > 0 && !Profile.hasFeature(i, FeatureType.TRUE_FALSE.ordinal())) {
sb.append(String.format(formatString, i));
sb.append(String.format(formatString, trialCounts[i]));
for (int j = 0; j < AlgorithmType.values().length; j++) {
sb.append(String.format("%" + COLUMN_WIDTH + ".3f", successProbs[i][j]));
}
double agentAccuracy = maxSuccessProb(successProbs[i]);
sb.append(String.format("%" + COLUMN_WIDTH + ".3f", maxSuccessProb(successProbs[i])));
sb.append(Profile.getDescription(i));
sb.append("\n");
totalCount += trialCounts[i];
weightedAgentAccuracy += trialCounts[i] * agentAccuracy;
}
}
weightedAgentAccuracy /= totalCount;
// display total trial count
sb.append(
String.format(
"%"
+ COLUMN_WIDTH
+ "s%"
+ COLUMN_WIDTH
+ "d%"
+ COLUMN_WIDTH * 9
+ "s%"
+ COLUMN_WIDTH
+ ".3f\n",
"Total Count:",
totalCount,
" ",
weightedAgentAccuracy));
return new String(sb);
}
private String toStringTrueFalse() {
StringBuilder sb = new StringBuilder();
final int COLUMN_WIDTH = 14;
String formatString = "%" + COLUMN_WIDTH + "s";
// make header.
sb.append("True-False: \n-----------\n");
sb.append(String.format(formatString, "Index"));
sb.append(String.format(formatString, "Trials"));
for (AlgorithmType t : AlgorithmType.values()) {
sb.append(String.format(formatString, t));
}
sb.append(String.format(formatString, "Agent"));
sb.append(String.format(formatString, "Description"));
sb.append("\n");
for (int i = 0; i < AlgorithmType.values().length + 4; i++)
sb.append(String.format(formatString, "-------------"));
sb.append("\n");
int totalCount = 0; // for displaying the total count at the bottom.
double weightedAgentAccuracy =
0; // for calculating weighted accuracy rate across all question profiles.
// display values.
for (int i = 0; i < NUM_FEATURE_COMBOS; i++) {
// 2016/01/05 - version 2.0.0 - added condition for
// trial counts > 0 in order to remove the "zero" rows,
// i.e., rows showing profile indices where there are no
// trials.
// Also, added the hasFeature(truefalse) condition.
if (trialCounts[i] > 0 && Profile.hasFeature(i, FeatureType.TRUE_FALSE.ordinal())) {
sb.append(String.format(formatString, i));
sb.append(String.format(formatString, trialCounts[i]));
for (int j = 0; j < AlgorithmType.values().length; j++) {
sb.append(String.format("%" + COLUMN_WIDTH + ".3f", successProbs[i][j]));
}
double agentAccuracy = maxSuccessProb(successProbs[i]);
sb.append(String.format("%" + COLUMN_WIDTH + ".3f", agentAccuracy));
sb.append(Profile.getDescription(i));
sb.append("\n");
totalCount += trialCounts[i];
weightedAgentAccuracy += trialCounts[i] * agentAccuracy;
}
}
weightedAgentAccuracy /= totalCount;
// display total trial count
// sb.append(String.format("%" + COLUMN_WIDTH + "s%" + COLUMN_WIDTH
// + "d\n", "Total Count:", totalCount));
sb.append(
String.format(
"%"
+ COLUMN_WIDTH
+ "s%"
+ COLUMN_WIDTH
+ "d%"
+ COLUMN_WIDTH * 9
+ "s%"
+ COLUMN_WIDTH
+ ".3f\n",
"Total Count:",
totalCount,
" ",
weightedAgentAccuracy));
return new String(sb);
}
private double maxSuccessProb(double[] successProbs) {
double max = successProbs[0];
for (int i = 1; i < successProbs.length; i++) {
if (successProbs[i] > max) max = successProbs[i];
}
return max;
}
}