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How to create validation with JSL as a "cut point" is not successful？

lwx228

Ask everyone again and again, thank you!
As shown in the figure: I created the validation column in the "age" column as a "cut point", but the JSL code was not successfully generated.

dt = Open( "$SAMPLE_DATA/Big Class.jmp" );
dt << Make Validation Column( Training Set( 0.75 ), Validation Set( 0.25 ), cutpoint );

Accepted answers

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susan_walsh1

It looks to me like the validation column was created as expected. You should have seen a message that stated the training set begins with Age 12 and the Validataion set begins with Age 15. That gives you a 67.5% and 32.5% split, but it is the closest you can come to 75/25 and still keep the ages together. Can you explain what you wanted to happen?

Or perhaps I misunderstand and you were looking to do this with JSL?

lwx228

I'm sorry to give you an example that doesn't happen, but of course you just want to know how to write JSL code that USES "cut points" to create validation columns.

A good example: there are 100 different dates in the first column, followed by several other columns.I now need to create the validation column with the first column "cut", how to code JSL, thank you!

lwx228

Click the window menu to do this "cutpoint" operation, it will pop up the prompt window, not data error.I did not find the script in the script index.Thank you very much!

lwx228

The search is similar to this code:

dt << Make Validation Column( Training Set( 0.75 ), Validation Set( 0.25 ), Formula Random );

Code without cut points