Differences

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--- transformations:select [2015/04/10 19:29] – elenap
+++ transformations:select [2026/09/23 15:52] (current) – Page deleted - outdated roberto
@@ Line 1: / Line 1: @@
-===== Select Columns =====
-This transformation removes all columns except the selected ones.
-EXAMPLE
-**Source table:** The longest rivers in the world
-^  River  ^  Length (km)  ^  Length (miles)  ^  Continent  ^
-| Nile  |  6650  |  4132  |  Africa  |
-| Amazon  |  6400  |  3976  |  South America  |
-| Yangtze  |  6300  |  3917  |  Asia  |
-| Mississippi  |  6275  |  3902  |  North America  |
-**Objective:** Keep the first two columns in the table. Remove all other columns.
-**Transformation parameters:**
-  * Columns to select: River; Length (km)
-**Output table:**
-^  River  ^  Length (km)  ^
-| Nile  |  6650  |
-| Amazon  |  6400  |
-| Yangtze  |  6300  |
-| Mississippi  |  6275  |
-=== See also ===
-  * [[transformations:remove|Remove Columns]]