This article needs attention from an expert in statistics. The specific problem is: completion to reasonable standard for probability distributions.(November 2012) |
Probability density function | |||
Cumulative distribution function | |||
Parameters | (real) | ||
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Support | |||
CDF | |||
Mean | |||
Median | |||
Variance | |||
Skewness | |||
Excess kurtosis |
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The Johnson's SU-distribution is a four-parameter family of probability distributions first investigated by N. L. Johnson in 1949.[1][2] Johnson proposed it as a transformation of the normal distribution:[1]
where .