Manipulate Formulas and Evaluate Marginal Effects


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Documentation for package ‘linear.tools’ version 1.3.0

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deleting_wrongeffect check monotonicity of marginal impacts and re-estimate the model.
effect evaluate the marginal effects of the selected raw variable on the dependent.
Enter_to_Continue Enter_to_Continue: wait your response to continue
focusing_var_coeff focusing on selected variables in the model, and eliminating impacts from other variables.
get_contrast get contrast of categorical variables in a model
get_model_pair get a list of model vars with their corresponding coeff vars or raw vars.
get_model_with_coeff get a list of model variables with their corresponding coeff vars.
get_model_with_raw get a list of model vars with their corresponding raw vars.
get_valid_rows identify missing rows for model/formula.
get_x get x (left hand of var) from model or formula
get_x_all a unique combinations of model vars, coeff vars and raw vars
get_y get y (right hand of var)
paste_formula paste a formula as string
stepwise2 same as 'step()' in R, but able to check marginal effects.