Add Skewness, Kurtosis, and Bimodality to Summary2.jsl

Data Table( "Summary2" ) <<
	NewColumn( "Skewness",
		Numeric,
		Continuous,
		Formula( :Name("Sum(Skewness)") / ((:N - 1) * :Std Dev Qbd ^ 3) )
	);
	
Data Table( "Summary2" ) <<
	NewColumn( "Kurtosis",
		Numeric,
		Continuous,
		Formula( :Name("Sum(Kurtosis)") / ((:N - 1) * :Std Dev Qbd ^ 4) - 3 )
	);
	
Data Table( "Summary2" ) <<
	NewColumn( "Bimodality Coeff",
		Numeric,
		Continuous,
		Formula( (:Skewness ^ 2 + 1) / (:Kurtosis + (3 * (:N - 1) ^ 2) / ((:N - 2) * (:N - 3))) )
	);