Principal components come out of the statistics without definitions having any say. Also, a cause can anti-correlate with its effect; I think the standard example is paying taxes causes you to have less money, but people with more money pay more taxes.
Principal components come out of the statistics without definitions having any say. Also, a cause can anti-correlate with its effect; I think the standard example is paying taxes causes you to have less money, but people with more money pay more taxes.