The procedure for replacing missing data by the average of a particular category typically involves the following steps:
For example, let's say we have a dataset that includes age and income information for a group of people, but some of the income values are missing. We want to fill in these missing values by the average income of people within the same age group. We would follow these steps:
Note that this procedure assumes that the missing data is missing at random (MAR), and that the available data within each category is representative of the entire category.
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Asked: 2021-06-26 11:00:00 +0000
Seen: 13 times
Last updated: Oct 03 '22
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