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Search results with tag "Pearson s correlation"
Pearson’s correlation - www.statstutor.ac.uk
www.statstutor.ac.ukIn practice the last assumption is checked by requiring both variables to be individually normally distributed (which is a by-product consequence of bivariate normality). Pragmatically Pearson’s correlation coefficient is sensitive to skewed distributions and outliers, thus if we do not have these conditions we are content.
CORRELATION COEFFICIENT: ASSOCIATION BETWEEN TWO ...
www.sheffield.ac.ukPearson's correlation coefficient r can only take values between –1 and +1; a value of +1 indicates perfect positive association (figure 1), a value of –1 indicates perfect negative association (figure 2), and a value of 0 indicates no linear association (figure 3). The easiest way to check whether it