Can I insert columns into imported data

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Shireen Adenwalla
Shireen Adenwalla 2016-12-8
回答： Walter Roberson 2016-12-8
I am importing data from an excel file and would like to subtract sequential rows or columns (for example) Can I do this?

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回答（2 个）

Isabella Osetinsky-Tzidaki
use diff function, see its help page for right formulation
Walter Roberson
Walter Roberson 2016-12-8
You can use {} notation using : (colon) for the row numbers and using numeric values for column numbers. You can even
diff(YourTable{:, :}, [], 2)
to find the difference between adjacent columns.
What I do not know at the moment is whether there is a nice way to rearrange columns. You can probably use
YourTable(:, [3 1 4 2])
for example to rearrange columns including header.

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