formula.spmodel function

Model formulae

Return formula used by a fitted model object.

## S3 method for class 'splm'
formula(x, ...)

## S3 method for class 'spautor'
formula(x, ...)

## S3 method for class 'spglm'
formula(x, ...)

## S3 method for class 'spgautor'
formula(x, ...)

Arguments

• x: A fitted model object from splm(), spautor(), spglm(), or spgautor().
• ...: Other arguments. Not used (needed for generic consistency).

Returns

The formula used by a fitted model object.

Examples

spmod <- splm(z ~ water + tarp,
  data = caribou,
  spcov_type = "exponential", xcoord = x, ycoord = y
)
formula(spmod)