If X and Y are randomly distributed,

Z = (-2 ln(X) )^(1/2) cos(2 pi Y)

is normally randomly distributed with mean 0 and variance 1.

The Excel equivalent is

=SQRT(-2*LN(RAND()))*COS(2*PI()*RAND())



"unique" wrote in message
...
Hello,

I have some real data of inflation per month for the UK. How can I
simulate
this, using random numbers that were generated using normal distribution.

regards