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Discussions

Solve problems, and share tips and tricks with other JMP users.
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frankderuyck
Level VII

Add Random Seed to prediction formula

I would like make a reproducible simulation formula by adding a the same random number to a prediction formula .Guess this is possible with Random seed? I olnly find a very brief explanation in JMP help; how to add this random seed to a formula? 

13 REPLIES 13
frankderuyck
Level VII

Re: Add Random Seed to prediction formula

Remark: there is a selectivity > 100%, still have to adjust formula a bit to keep results < 100%

jthi
Super User

Re: Add Random Seed to prediction formula

If you can't add that random value column to the table which students are using, I think you could use Random Reset(Row()) (you can change the Row() to something else, but it should still be Row() dependent and not randomized, so Row()*Row() or Row() + 10 are for example fine).

jthi_0-1696784460942.pngjthi_0-1696784460942.png

jthi_1-1696784466191.pngjthi_1-1696784466191.png

Column 8 just demonstrates the random reset + random normal part

 

-Jarmo
frankderuyck
Level VII

Re: Add Random Seed to prediction formula

Great, works fine, thank Jarmo!

Mauro_Gerber
Level V

Re: Add Random Seed to prediction formula

A small input, I use this to prevent the constant reset of the seed:

If( Row() == 1,
	Random Reset( 500 )
);

Random Normal( 5, 0.5 );

After the reset, the sequence is always the same "random" numbers within a JMP version.

 

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