I'm trying to evaluate the normal distribuiton's PDF into my search as follows:
... | eval prob=(1/sqrt(2*pi()*sigma^2))*exp(-((x-mi)^2)/(2*sigma^2))
And I'm getting this error message:
Error in 'eval' command: The expression is malformed. Expected ).
What am I doing wrong? I tested the expression on Excel and it works fine...
I haven't tested this, but at first glance, it could be because of the the power of function. Change all occurences of sigma^2 to pow(sigma, 2). So your formula s/b written like this
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