Usage
## S3 method for class 'summary.lm':
fortify(model, data = NULL, level = 0.95, ...)## S3 method for class 'summary.glm':
fortify(model, data = NULL, level = 0.95, ...)
## S3 method for class 'TukeyHSD':
fortify(model, data, order = c("asis", "pval",
"difference"), ...)