extr_val: Extract parts of an object
In gcplyr: Wrangle and Analyze Growth Curve Data
View source: R/utility_functions.R
extr_val R Documentation
Extract parts of an object
Description
A wrapper for [ with handling of NA's for use in
dplyr::summarize()
Usage
extr_val(x, i, allNA_NA = TRUE, na.rm = TRUE)
Arguments
x
object from which to extract element(s)
i
index specifying element to extract.
allNA_NA
logical indicating whether NA should be returned
when all(is.na(i)) == TRUE.
na.rm
a logical indicating whether missing index values should be
removed.
Value
If all_NA = FALSE and na.rm = FALSE, identical to
x[i].
If all_NA = FALSE and na.rm = TRUE, identical to
x[i[!is.na(i)]].
If all_NA = TRUE, identical to x[i] unless
all(is.na(i)) == TRUE, in which case returns NA
gcplyr documentation built on Aug. 8, 2025, 6:19 p.m.
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View source: R/utility_functions.R
| extr_val | R Documentation |
Extract parts of an object
Description
A wrapper for [ with handling of NA's for use in
dplyr::summarize()
Usage
extr_val(x, i, allNA_NA = TRUE, na.rm = TRUE)
Arguments
x |
object from which to extract element(s) |
i |
index specifying element to extract. |
allNA_NA |
logical indicating whether |
na.rm |
a logical indicating whether missing index values should be removed. |
Value
If all_NA = FALSE and na.rm = FALSE, identical to
x[i].
If all_NA = FALSE and na.rm = TRUE, identical to
x[i[!is.na(i)]].
If all_NA = TRUE, identical to x[i] unless
all(is.na(i)) == TRUE, in which case returns NA
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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