Questions tagged [shapiro-wilk-test]
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Interpretation of Shapiro-Wilk test
I'm pretty new to statistics and I need your help.
I have a small sample, as follows:
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Can a sample larger than 5,000 data points be tested for normality using shapiro.test by applying the test to a subsample?
I have a number of samples that I would like to test for normality. One of the samples exceeds 5,000 data points, the limit up to which the shapiro test accepts samples.
This is the data:
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Can I assume normal distribution?
I have calculated daily price returns of Bitcoin and plotted this data in the following way:
x-axis: returns in %
y-axis: count
I assumed the data had a normal distribution to calculate the
$$\rm ...
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If a sample is not normally distributed, can a subset of the sample be normal?
I have used a Shapiro-wilk test on all of my data and the results show that it is not normally distributed. However, could this mean that a subset of my data could still be normally distributed?
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How to test if data follows a half-normal distribution?
There are many ways to test if the data comes from normal distribution. like this post
But the question is how to test if the data follows half-normal distribution?
I know Ks-test, but as the post ...
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