}
public RankAnalysis(Cronbach values){
this.values = values.usedScoresAsRowPerItem();
Matrix mat = new Matrix(this.values);
double[] errors = mat.rowStandardDeviations();
ArrayMaths ame = new ArrayMaths(errors);
this.errors = this.oneToTwo(ame.array(), this.values[0].length);
this.errorType = 1;
this.preprocessDataOne();
}