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how to get length of numbers in column

i have column that has student number and i want first to get the length of column for example : student with 11 numbers digits and others with 12 number digits . then i want to extract students with 11 length digits from this dataset. second split this numbers into three divisions..
can you tell me which processes can do this
thank you

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Accepted answers

MartinLiebig

Hi,
maybe generate attributes with
length(str([attribute]))
?

Best,
Martin

rfuentealba

Hello @halaalrobassy,

Please find attached the process. It's pretty simple:

Image: https://us.v-cdn.net/6030995/uploads/editor/51/gtoy2dj6eoxa.png

You need to make sure your numbers are polynominal. Then with the Generate Attributes operator you can create an attribute named Length of ID, which is almost the same thing that Herr @mschmitz suggested (but I prefer to make it easier).

All the best,

Rod.

number_length.rmp

Edin_Klapic

Hi @halaalrobassy,

The shortest way is to use Generate Attributes with the function cut().

The syntax is explained within the Operator (see attached screenshot).

Of course you can also achieve this in other ways as well (e.g. copy the Attribute and use Replace to only keep the relevant numbers of each "divisions" using a regular expression.

Happy Mining,

Edin

generate attributes.PNG

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