You need one or more columns of numeric data. You may also use up to three columns of categorical data for grouping.
To fit a lognormal, gamma, exponential, Weibull, or loglogistic distribution, all values must be greater than zero.
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For other data options, such as subsetting, using frequency columns, and handling missing values, see Data Options Overview. To change the display order for text categories, see Ordering text categories. |