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My boss has asked me to find if there is any correlation between various sample parameters in a water quality study. We took around 150 samples, and for each one measured around 50 parameters e.g. iron content, free residual chlorine, level of coliforms, pH, etc etc.

I always avoided stats through school, and having spent a couple of hours reading up about my options for doing this analysis on the internet, I remember why.

So, please, in simple terms, can someone explain to me:

What function or statistical analysis technique(s) I could/should use for this analysis

What (ideally free) software is available to do it

THANK YOU!

Ralph

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# Multiple variable correlation - drowning in stats formulas, need help

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