trader_correl Pearson's Correlation Coefficient (r) &reftitle.description; arraytrader_correl arrayreal0 arrayreal1 integertimePeriod &reftitle.parameters; real0 &trader.arg.array.of.real; real1 &trader.arg.array.of.real; timePeriod &trader.arg.time.period; &reftitle.returnvalues; Returns an array with calculated data or false on failure.