2 open source projects by inuyasha2012

psychometrics package, including MIRT(multidimension item response theory), IRT(item response theory),GRM(grade response theory),CAT(computerized adaptive testing), CDM(cognitive diagnostic model), FA(factor analysis), SEM(Structural Equation Modeling) .

answersheet scan or recognition by computer camera 电脑摄像头识别答题卡，可能是最灵活准确率最高的摄像头答题卡扫描开源实现