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For this tutorial, we want to exclude all male samples to simplify our analysis. To do this, we can use the interactive filter. 

• Select (Image Added) from the quick action bar to invoke the interactive filter
• Select 4. CHR for Column 

For categorical columns, the interactive filter displays each category of the selected column as a colored bar. For 4. CHR, each bar represents a chromosome with the height of bar representing the number of probes from that chromosome in the selected spreadsheet. To filter out a category, left-click on its bar. Right clicking on a bar will include only the selected category. A pop up balloon will show the category label as you mouse over each bar. 

• Left-click the X and Y chromosome columns to filter them out (Figure 3)

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