The Short-Integer Format

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Using JMP • The Column Info Window • About the Column Info Window • The Short-Integer Format

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The Short-Integer Format

When you use the correct short-integer format for your data, you do not see any difference in how the numbers appear. However, the numbers occupy less disk space and use less memory. Short-integer formats must be activated in preferences to appear in the Column Info window.

To make short-integer formats available in the Column Info window

1.

Select File > Preferences and click Tables.

2.

Select the Allow short numeric data format option.

3.

Click OK to return to the data table.

To store numeric data in short-integer format:

1.

Double-click above the column name whose values you want to be short-integer.

The Column Info window appears.

2.

From the Data Type menu, select 1-byte integer, 2-byte integer, or 4-byte integer.

JMP stores values as integers in the range that you selected. The following numbers are examples:

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For 1-byte integer, the range of numbers that you can enter is from -126 to 127.

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For 2-byte integer, the range of numbers that you can enter is from -32,766 to 32,767.

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For 4-byte integer, the range of numbers that you can enter is from -2,147,483,646 to 2,147,483,647.

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Help created on 7/12/2018