Descriptive measures of grouped data

By this process the variance and central measures ar found: average, medium and mode of grouped data.

stat.freq(histogram)

Arguments

histogram	Object create by function hist()

Value

Statistics of grouped data.

See also

polygon.freq, table.freq, graph.freq, intervals.freq, sturges.freq, join.freq, ogive.freq, normal.freq

Examples

library(agricolae)
data(growth)
grouped<-with(growth,hist(height,plot=FALSE))
measures<-stat.freq(grouped)
print(measures)
#> $variance
#> [1] 1.954023
#> 
#> $mean
#> [1] 10.83333
#> 
#> $median
#> [1] 11
#> 
#> $mode
#>      [- -] mode
#> [1,] 10 11   11
#> [2,] 11 12   11
#>