search for: average_daily_return1

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2009 Aug 10
0
Speeding up a bootstrap routine
...; # creates a column of position vectors for 2 bar prediction posvector3 <- data[,4]; # creates a column of position vectors for 5 bar prediction actualreturns1 <- detrendedreturns*posvector1; actualreturns2 <- detrendedreturns*posvector2; actualreturns3 <- detrendedreturns*posvector3; average_daily_return1 <- mean(actualreturns1); average_daily_return2 <- mean(actualreturns2); average_daily_return3 <- mean(actualreturns3); # create zero centred sampling distributions for the null hypothesis zerocentredreturns1 <- actualreturns1-average_daily_return1; zerocentredreturns2 <- actualretur...