private double calculateScorePart(int i, boolean enableLogging) {
double score = 0.0;
double partWeight, scaledQCount, avgLevel, scaledCorrectRatio;
/** Calculate the normalized Number of words in current part */
partWeight = QQUtils.PartWeight100[i] / 100;
avgLevel = QParts.get(i).getAvgLevel();
scaledQCount =
QQUtils.sCurve(QParts.get(i).getNumCorrect(), QQUtils.Juz2SaturationQCount * partWeight);
scaledQCount += 1;
scaledCorrectRatio = QQUtils.sCurve(QParts.get(i).getCorrectRatio(), 1);
score = 100 * partWeight * avgLevel * scaledQCount * scaledCorrectRatio;
if (QQUtils.QQDebug == 1 && QParts.get(i).getNumCorrect() > 0 && enableLogging)
Log.d(
"["
+ i
+ "] S= "
+ new DecimalFormat("##.##")
.format(100 * partWeight * avgLevel * scaledQCount * scaledCorrectRatio)
+ "::pW="
+ new DecimalFormat("##.##").format(partWeight)
+ " av="
+ new DecimalFormat("##.##").format(avgLevel)
+ " sC="
+ new DecimalFormat("##.##").format(scaledQCount)
+ " sR="
+ new DecimalFormat("##.##").format(scaledCorrectRatio));
return score;
}
public CharSequence getDownScore(int CurrentPart) {
double currentPartScore, currentPartScoreDown;
double partWeight, avgLevel, scaledQCount, scaledCorrectRatio;
int numCorrect, numQuestions, downScore;
/**
* Find the difference between the current and the to-be-decremented score The difference comes
* from the current part only. The current is calculated normally, while the DOWN is calculated
* manually as below
*/
currentPartScore = calculateScorePart(CurrentPart, false);
/** Calculate the normalized Number of words in current part + UP */
numCorrect = QParts.get(CurrentPart).getNumCorrect();
numQuestions = QParts.get(CurrentPart).getNumQuestions();
partWeight = QQUtils.PartWeight100[CurrentPart] / 100;
avgLevel = QParts.get(CurrentPart).getAvgLevel();
scaledQCount =
QQUtils.sCurve(
QParts.get(CurrentPart).getNumCorrect(), QQUtils.Juz2SaturationQCount * partWeight);
scaledQCount += 1;
scaledCorrectRatio = QQUtils.sCurve(((float) numCorrect) / ((float) numQuestions + 1), 1);
currentPartScoreDown = 100 * partWeight * avgLevel * scaledQCount * scaledCorrectRatio;
downScore = (int) Math.round(currentPartScore - currentPartScoreDown);
if (QQUtils.QQDebug == 1 && downScore == 0) {
Log.d(
"[0Down] Sd= "
+ new DecimalFormat("##.##")
.format(100 * partWeight * avgLevel * scaledQCount * scaledCorrectRatio)
+ "::pW="
+ new DecimalFormat("##.##").format(partWeight)
+ " av="
+ new DecimalFormat("##.##").format(avgLevel)
+ " sC="
+ new DecimalFormat("##.##").format(scaledQCount)
+ " sR="
+ new DecimalFormat("##.##").format(scaledCorrectRatio));
}
return String.valueOf(downScore);
}