summaryFunction for quartiles

Source: R/quartiles.R

A summaryFunction, intended to be called from summarize, which calculates the 1st and 3rd quartiles of a variable. NA, NaN and Inf values are removed prior to the computations.

quartiles(v, maxDecimals = 2)

Arguments

v

A variable (vector) of type numeric or integer.
maxDecimals

A positive integer or Inf. Number of decimals used when printing numerical values in the data summary and in problematic values from the data checks. If Inf, no rounding is performed.

Value

An object of class summaryResult with the following entries: $feature ("1st and 3rd quartiles"), $result (the 1st and 3rd quartiles of v) and $value (the quartiles in their original format).

Details

The quartiles are computed using the quantile function from stats, using type 7 quantiles for integer and numeric variables and type 1 quantiles for Date variables.

See also

summaryFunction, summarize, summaryResult, allSummaryFunctions

Examples

quartiles(c(1:100))
#> 1st and 3rd quartiles: 25.75; 75.25

quartiles(rnorm(1000), maxDecimals = 4)
#> 1st and 3rd quartiles: -0.7179; 0.6561