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Formula to remove first three characters from a alpha-numeric string

tajrida

HI,

How do I remove "Thu" from the alphanumeric string "Thu 01/02/2020 10:42 PM" using and assigning a formulae, to a column.

I tried using below formulas and it doesn't work. what am I doing wrong?

1. left

2. right

3. word

4. substr

Accepted answers

txnelson

I created a new column and placed this formula in it.

Substr(:Preparation date, 5)

and it worked without issue. See my attached file

substr.jmp

All comments

txnelson

If the column you are reading from is actually a character column, and not a numeric column with a format applied to it, then the substring is what you want to use. Make sure the column is a character column. and if so, the below will work

a="Thu 01/02/2020 10:42 PM";

b=substr(a,5);

The formula version of the above code if the original column is called "MyColumn"

substr(:MyColumn,5);

If not then you just need to change the format for the column

tajrida

Your suggestion is working fine for other character columns in the table BUT not for the column with specific format i.e.,

a="Thu 01/02/2020 10:42 PM";

I also checked and verified column properties to ensure it is a "character" column.

txnelson

attach a sample data table please

tajrida

Thanks. Attached here is the test data file

JMP Formula Test Data.jmp