Variable Names to Formula

take a name for a y variable and a vector of names for x variables and turn them into a formula

toformula(yname, xnames)

Arguments

yname

the name of the y variable

xnames

vector of names for x variables

Value

a formula

Examples

toformula("yvar", c("x1","x2"))
#> yvar ~ x1 + x2
#> <environment: 0x5636a261ed10>

## should return yvar ~ 1
toformula("yvar", rhs.vars(~1))
#> yvar ~ 1
#> <environment: 0x5636a374c980>