umx_array_shift: Like the php array_shift function: shifts an item off the...

In umx: Structural Equation Modeling and Twin Modeling in R

Like the php array_shift function: shifts an item off the beginning of a list

Description

Returns x[1]. Has the SIDE EFFECT of assigning x to x[2:end] in the container environment.

Usage

umx_array_shift(x)

Arguments

x	the vector to shift

Value

• first item of x

See Also

Other Miscellaneous Utility Functions: install.OpenMx(), libs(), qm(), umx, umxLav2RAM(), umxModelNames(), umxRAM2Lav(), umxVersion(), umx_find_object(), umx_lower.tri(), umx_msg(), umx_open_CRAN_page(), umx_pad(), umx_print(), umx_wide2long(), umx_wide4lmer()

Examples

x = c("Alice", "Bob", "Carol")
umx_array_shift(x) # returns "Alice"
x # now only 2 items (altered in containing environment)

umx documentation built on Nov. 5, 2025, 5:26 p.m.