Geometric mean

How do I find the geometric mean? I do not know the code. Thank you for help!

2 Answers


For a given x, you can calculate the geometric mean with the following code in GAUSS:

>> x = { 5, 20, 40, 80, 100 };
>> g_mu = exp(sumc(ln(x)/rows(x)));
>> g_mu


You can simplify it slightly to this:

g_mu = exp(meanc(ln(x)));

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