pastecs: first – R documentation

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first

Get the first element of a vector

Extract the first element of a vector. Useful for the turnogram() function

first(x, na.rm=FALSE)

`x`	a numerical vector
`na.rm`	if `na.rm=TRUE`, then the first non-missing value (if any) is returned. By default, it is FALSE and the first element (whatever its value) is returned

a numerical value

Philippe Grosjean (phgrosjean@sciviews.org), Frédéric Ibanez (ibanez@obs-vlfr.fr)

a <- c(NA, 1, 2, NA, 3, 4, NA)
first(a)
first(a, na.rm=TRUE)

Package for Analysis of Space-Time Ecological Series

v1.3.21

GPL-2

Authors

Philippe Grosjean [aut, cre], Frederic Ibanez [aut], Michele Etienne [ctb]

Initial release