summastat function

Summary statistics

A function to calculate summary statistics of a set of data.

summastat(x, sigf, varname, plot = TRUE)

Arguments

• x: A vector of numeric values.
• sigf: The number of significant figures to report (optional).
• varname: The name of the variable (optional), character so in quotes e.g. "Clay content". If not used then the variable is called x on plots.
• plot: If TRUE, a plot is part of the output. If FALSE, plot is not part of output (default is TRUE).

Returns

A matrix containing the mean value, median value, first and third quartiles, sample variance, sample standard deviation, coefficient of skewness, octile skewness, coefficient of kurtosis and the number of probable outliers in a data set. A histogram with a boxplot over it and QQ plot of the variable x if plot=TRUE.

Examples

x<-evapotranspiration$`ET(mm)`
summastat(x,2)

Author(s)

Richard Murray Lark murray.lark@nottingham.ac.uk