Fixed bug where PCAdecompose wasn't dealing with whitespace and had too many output variables.
Fixed bug where PCAdecompose wasn't dealing with whitespace and had
too many output variables.

chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling