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Oct 3, 2017 11:04 AM
(611 views)

**Is there a way to select columns by data type, quickly?** For example, I have a mixture of continuous and nominal columns in my data table and would like to make 2 subsets of this data table. One subset containing all continuous columns, and the other containing all nominal columns. I've managed to do this using “Columns Viewer” by selecting all columns, retrieving summary statistics, sorting by standard deviation, and selecting all columns with a standard deviation value that indicates they're continuous. It would be nice if there was a ‘Data Type’ section listed under “Find Columns with Properties” in “Columns Viewer.” I’m looking for an easier approach. An interactive approach, preferrably.

Thanks,

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Oct 3, 2017 11:09 AM
(1211 views)

Solution

In the interactive world, you can use the Column Viewer and under the red triangle, you will find the ability to select columns based upon Modeling Type. Just select the modeling types you want, and then just click on Subset

Here is one way, and the easiest way I know of in JSL:

```
nomdata = Current Data Table() << get column names( nominal );
condata = Current Data Table() << get column names( continuous );
```

Jim

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Oct 3, 2017 11:09 AM
(1212 views)

In the interactive world, you can use the Column Viewer and under the red triangle, you will find the ability to select columns based upon Modeling Type. Just select the modeling types you want, and then just click on Subset

Here is one way, and the easiest way I know of in JSL:

```
nomdata = Current Data Table() << get column names( nominal );
condata = Current Data Table() << get column names( continuous );
```

Jim

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Oct 3, 2017 11:26 AM
(603 views)

I see, thank you! Much easier than I thought, glad I asked before continuing further.