Hi, I'm fairly new to SAS software in general, and even more unfamiliar with JSL. I'm making very simple automation scripts and am running into issues.
I would like to (In a data table of 600,000+ entries)
1) Select certain rows based on specific criteria
ex: dt<< Select Where(age>15)
2) Manipulate a specific column based on that row selection
ex: For those rows with age>15 change the column "Eleigible" from "No" to "Yes"
I do not know how to code this second part, I'd imagine it's pretty simple. I've read the JMP basic scripting tutorial, but I can't seem to figure out how to execute this simple operation.
Any help would be appreciated.
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It's not too hard. Here's an example using Big Class:
dt = open("$sample_data\Big Class.jmp");
one_set_rows = dt << get rows where(:sex == "F");
column(dt, "name")[one_set_rows] = "Female";
Basically you use GET ROWS WHERE to get a matrix of row numbers that match a certain condition. The last line allows you to put one value in all rows found that match the condition.
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Or - if you have to make a new column anyway:
dt<<new column("Eligible",character,formula(If(:Age < 15, "no", :Age >= 15, "yes")));
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