November 2017
Beginner to intermediate
204 pages
5h 23m
English
Content preview from Practical Data Wrangling
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Handling NA values
Sometimes, it is acceptable to have NA values in the dataset. However, for many types of analysis, NA values need to be either removed or replaced. In the case of road length, a better estimate of total road length could be generated if the NA values were replaced with best guesses. In the following subsections, I will walk through these three approaches to handling NA values:
- Deletion
- Insertion
- Imputation
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.