# Mean

0th

Percentile

##### Arithmetic Mean

Generic function for the (trimmed) arithmetic mean, possibly with given weights.

Keywords
univar
##### Usage
Mean(x, ...)
"Mean"(x, breaks, ...)
"Mean"(x, weights = NULL, trim = 0, na.rm = FALSE, ...)
##### Arguments
x
An R object. Currently there are methods for numeric/logical vectors and date, date-time and time interval objects. Complex vectors are allowed for trim = 0, only.
weights
a numerical vector of weights the same length as x giving the weights to use for elements of x.
trim
the fraction (0 to 0.5) of observations to be trimmed from each end of x before the mean is computed. Values of trim outside that range are taken as the nearest endpoint.
breaks
breaks for calculating the mean for classified data as composed by Freq.
na.rm
a logical value indicating whether NA values should be stripped before the computation proceeds.
...
further arguments passed to or from other methods.
##### Value

If trim is zero (the default), the arithmetic mean of the values in x is computed, as a numeric or complex vector of length one. If x is not logical (coerced to numeric), numeric (including integer) or complex, NA_real_ is returned, with a warning.If trim is non-zero, a symmetrically trimmed mean is computed with a fraction of trim observations deleted from each end before the mean is computed.trim and weights can't be used together.

##### References

Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.

weighted.mean, mean.POSIXct, colMeans for row and column means.

• Mean
• Mean.default
• Mean.Freq
##### Examples
  x <- c(0:10, 50)
xm <- Mean(x)
c(xm, Mean(x, trim = 0.10))

Documentation reproduced from package DescTools, version 0.99.19, License: GPL (>= 2)

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