replaced Correlation.class with Stici_Scatterplot for chart1 in regressioni.htm
replaced Correlation.class with Stici_Scatterplot for chart1 in regressionErrorsi.htm
replaced Correlation.class with Stici_Scatterplot for chart2 in regressionErrorsi.htm
replaced Correlation.class with Stici_Scatterplot for chart3 in regressionErrorsi.htm