May 2019
Beginner to intermediate
266 pages
5h 57m
English
Content preview from Hands-On Exploratory Data Analysis with R
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The Shapiro-Wilk test
shapiro.test tests the null hypothesis that the samples come from a normal distribution, vis-à-vis the alternative hypothesis, that the samples do not come from a normal distribution. Let's understand this in detail by executing the following command:
> ?shapiro.test
The R help page will be visible to users as follows:
We can see that it takes an argument of a numeric vector of data values from a specific range. Since we have implemented a data frame, it is mandatory to pass the desired column as input to this function. Consider creating a shapiro.test analysis for a balance attribute, as this is considered a critical ...
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