I have a data full of labels. I want to plot on the X-axis, the labels. And the number of times each label occurred on the Y-axis. How to do this in Libre Office calc?

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Sample Data
a
a
a
b
b
b
b
b
z
z
z
z

[JohnSUN]

It’s simple, fast and easy to do with the PivotTable:

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To create a pivot table, I used the option from the insert column: insert->pivot table…