why corelation matrix values are less than or qual to 1? [on hold]

The name of the picture


why corelation matrix values are less than or qual to 1? [on hold]



This is happening because , variance of (x,y) is always less than product of their standard deviations. why it happens like that?







Is this a programming problem/question, or a math one?
– Some programmer dude
5 hours ago





I'm voting to close this question as off-topic because it is not about programming
– desertnaut
4 hours ago





this is a basic stats question, and not suitable for SO - idownvotedbecau.se/noresearch
– desertnaut
4 hours ago





This is incorrect: the sum of products of errors is normalized: en.wikipedia.org/wiki/Correlation_and_dependence
– duffymo
4 hours ago





idownvotedbecau.se/beingunresponsive
– Some programmer dude
4 hours ago
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