Mean of Subgroup Medians
Calculates the mean of subgroup medians used when constructing a xMedian-R charts.
xMedian_Bar(data, value, grouping, formula = NULL, ...)
data |
data frame to be processed |
value |
numeric vector in a data frame with values of interest. |
grouping |
single factor/variable to split the data frame "values" by. |
formula |
a formula, such as y ~ x1 + x2, where the y variable is numeric data to be split into groups according to the grouping x factors/variables |
... |
further arguments passed to or from other methods. |
A number; mean of subgroup medians.
set.seed(5555) df <- data.frame(v=rnorm(60, 0, 1), g=rep(c("A","B","C","D","E"), each=12)) xMedian_Bar(data = df, formula = v~g)
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