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Formula for random normal values with RANDN()

In the formula tool, you can generate uniform random values using the RAND() function.

I would like to have similar functionality to get normal random values by calling RANDN().

Randn_formula.PNG

 

As a workaround, the values can be produced from a Python tool using 

numpy.random.randn()

 

Python documentation on numpy.random.randn.

 

The full script below produces 100 random normal values in a column called 'Normal_Rand'.

Python_config.PNG 

 

The zip file has both a direct workflow and macro solution to produce the random normal values.