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    Can correlation be used as a measure of accuracy?

    I have a paired data set of known age and estimated age, and correlation tests show that there is a strong correlation between the two, but what I want to know is, does that mean the estimates are accurate? My thinking is no, correlation cannot tell you if the estimated age is accurate, but...
  2. L

    A question about Spearman's Rank and Mean Values

    Hello, I'm not entirely sure I've put this in the correct forum... This is possibly a daft question, but I have used SPSS to calculated Spearman's correlation for a series of data sets and I was wondering if I can average the correlation values to give an average r result? :confused: I...