The data type determines the possible formats for the values in a column and sometimes it also limits which axes a column can be placed on, and the operations that can be done with the column. If the data type is wrong, you may be unable to use your data the way you want. It is easy to change the data type in the expanded data panel.
Prerequisites
You must have some data loaded in the analysis and the
Data panel must be shown.
Procedure
-
In the
Data panel, click on the column of interest and click on the
Expand data panel for tools and details button,
.
-
In the expanded data panel, locate the
Data type section and change the data type.
-
In some cases, you may also need to click on the
Settings button,
, to define how the values in the column should be converted to the new data type.
Different conversions require different settings. For example, if you want to convert a
String into a
Date you may need to specify the locale used in the string, or, define how the date should be interpreted using a custom format string.
Result
The data type is immediately updated, both in the data panel and in any visualizations.
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