Questions tagged [normal]

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Normality score

Having the following distributions (actual and predicted), Hist 1 to 3 (left to right). I would like to get a score ranging from 0-1 of how close the actual distribution is to be normal. I've found a ...
Shlomi Schwartz's user avatar
3 votes
1 answer
250 views

SAS Studio seems to imply that apparently non-normal data is normal

I have some data I'm trying to analyze in SAS Studio (university edition). I am using the Distribution Analysis feature to try to test some data for normality. It gives me the following histogram: ...
EJoshuaS - Stand with Ukraine's user avatar
2 votes
0 answers
146 views

Interpretation of the output from qqPlot (using car library)

Basically, I have created a linear model and am testing to verify the normality of my errors. As a result, I have used the qqPlot function from the car library and have gotten the graph that can be ...
Ali Shana'a's user avatar
0 votes
0 answers
22 views

How to find a probability distribution the parameters of which do not impact each other like mean and variance in normal distribution do?

I need to find a probability distribution to fit my data. My data has two important features, duration and activity count. Duration means how long one sequence lasts and activity count means the ...
Feng Chen's user avatar
  • 207
0 votes
2 answers
2k views

The tag on feature-scaling says "zero mean" and unit variance. Is it correct?

The tag on feature scaling says: Popular feature scaling types include scaling the data to have zero mean and unit variance, and scaling the data between a given minimum and maximum value. It is ...
Subhash C. Davar's user avatar