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RObject _ Thing -- extract a single element of an R object

Operator: _
Usage:

x_i
Inputs:
- x, a R object,
- i, a thing, the index (one-based);
Outputs:
- a R object, the i-th element of x;

Description

Extract a single element of an R vector or list using R's [[ operator. Note that R uses one-based indexing.

i1 : x = RObject toList(5..15)

--error or time limit reached in conversion of output to net: type 'debugError()' to run it again; will try conversion to string

o1 = 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15

o1 : RObject of type integer

i2 : x_1

--error or time limit reached in conversion of output to net: type 'debugError()' to run it again; will try conversion to string

o2 = 5

o2 : RObject of type integer

See also

RObject Array -- extract multiple elements of an R object

Menu

RObject _ Thing = Thing -- replace a single element of an R object

Ways to use this method:

RObject _ Thing -- extract a single element of an R object

The source of this document is in RInterface/doc/extract.m2:25:0.