R Language Definition

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R Language DefinitionVersion (2021-11-01)DRAFTR Core TeamThis manual is for R, version (2021-11-01).Copyrightc 2000 2021 R Core TeamPermission is granted to make and distribute verbatim copies of this manual providedthe copyright notice and this permission notice are preserved on all is granted to copy and distribute modified versions of this manual underthe conditions for verbatim copying, provided that the entire resulting derived workis distributed under the terms of a permission notice identical to this is granted to copy and distribute translations of this manual into an-other Language , under the above conditions for modified versions, except that thispermission notice may be stated in a translation approved by the R Core of Contents1 Basic types.

Becker et al. (1988). It is generally used when calling functions written in another language, such as C or FORTRAN, to ensure that R objects have the data type expected by the routine being called. (In the S language, vectors with integer or real values are both of mode "numeric", so their storage modes need to be distinguished.) > x <- 1:3 ...

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