multilevelPSA (version 1.2.5)

plot.covariate.balance: Multiple covariate balance assessment plot.

Description

A graphic based upon cv.bal.psa function in the PSAgraphics package. This graphic plots the effect sizes for multiple covariates before and after propensity score adjustement.

Usage

# S3 method for covariate.balance
plot(x, plot.strata = FALSE,
  order = c("unadjusted", "adjusted"), strata.size = 3,
  strata.legend.guide = "none", point.size = 3, point.alpha = 1,
  line.color = "black", line.alpha = 0.2, legend.position = c(0.8, 0.2),
  ...)

Arguments

x

results of covariate.balance.

plot.strata

whether individual strata should be plotted.

order

how to order the y-axis. Possible values are adjusted, unadjusted, or NULL (don't reorder).

strata.size

text size for strata if plotted.

strata.legend.guide

guide for legend placement for strata.

point.size

size of the overall effect size points.

point.alpha

transparency level of the overall effect size points.

line.color

the color of the line connecting the overall effect size points.

line.alpha

transparency level of the line connecting the overall effect size points.

legend.position

where to position the legend.

...

currently unused.

Value

a ggplot2 with an attribute, effects, that is the data frame used to create the plot.