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Third exercise impossible #324

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2 changes: 1 addition & 1 deletion episodes/03-exploring-data.md
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Expand Up @@ -123,7 +123,7 @@ The next exercise will explore what happens when a numeric column contains value

## Exercise

1. For a column you transformed to numbers, edit one or two cells, replacing the numbers with text (such as `abc`) or blank (no number or text).
1. For a column you have not yet transformed to numbers, edit one or two cells, replacing a few numbers with text (such as `abc`) or blank (no number or text).
2. Use the pulldown menu to apply a numeric facet to the column you edited. The facet will appear in the left panel.
3. Notice that there are several checkboxes in this facet: `Numeric`, `Non-numeric`, `Blank`, and `Error`. Below these are counts of the number of cells in each category. You should see checks for `Non-numeric` and `Blank` if you changed some values.
4. Experiment with checking or unchecking these boxes to select subsets of your data.
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