umx_check_names: Check if a request name exists in a dataframe or related...

In umx: Structural Equation Modeling and Twin Modeling in R

Check if a request name exists in a dataframe or related object

Description

Check if a list of names are in the [namez()] of a dataframe (or the [dimnames()] of a matrix), or the names of the observed data of an [mzData()]

Usage

umx_check_names(
  namesNeeded,
  data = NA,
  die = TRUE,
  illegal = NULL,
  no_others = FALSE,
  intersection = FALSE,
  message = ""
)

Arguments

namesNeeded	Variable names to find (a dataframe is also allowed)
data	data.frame, matrix, or mxData to search in for names (default NA)
die	Whether to die if the check fails (default TRUE).
illegal	Optional list of names which must NOT be present.
no_others	Whether to test that the data contain no columns in addition to those in namesNeeded (default FALSE)
intersection	Show the intersection of names
message	Some helpful text to append when dieing.

References

- <https://github.com/tbates/umx>

See Also

Other Test: umx_check_OS(), umx_check_model(), umx_check_parallel(), umx_check(), umx_has_CIs(), umx_has_been_run(), umx_has_means(), umx_has_square_brackets(), umx_is_MxData(), umx_is_MxMatrix(), umx_is_MxModel(), umx_is_RAM(), umx_is_cov()

Other Check or test: umx_is_class(), umx_is_endogenous(), umx_is_exogenous(), umx_is_numeric(), umx_is_ordered(), umx

Examples

require(umx)
data(demoOneFactor) # "x1" "x2" "x3" "x4" "x5"
umx_check_names(c("x1", "x2"), demoOneFactor)
umx_check_names(c("x1", "x2"), as.matrix(demoOneFactor))
umx_check_names(c("x1", "x2"), cov(demoOneFactor[, c("x1","x2")]))
umx_check_names(c("x1", "x2"), mxData(demoOneFactor, type="raw"))
umx_check_names(c("z1", "x2"), data = demoOneFactor, die = FALSE)
umx_check_names(c("x1", "x2"), data = demoOneFactor, die = FALSE, no_others = TRUE)
umx_check_names(c("x1","x2","x3","x4","x5"), data = demoOneFactor, die = FALSE, no_others = TRUE)
# no request
umx_check_names(c(), data = demoOneFactor, die = FALSE, no_others = TRUE)

## Not run: 
# An example error from vars that don't exist in the data
umx_check_names(c("bad_var_name", "x2"), data = demoOneFactor, die = TRUE)

## End(Not run)

umx documentation built on May 29, 2024, 5:40 a.m.