lmplot function

Plot linear model for two variables with R2 & P printed and saved

Simple function to plot and name a linear model

lmplot(
  x,
  y,
  xname = "X variable",
  yname = "Y variable",
  pngtype = c("cairo-png", "quartz", "Xlib"),
  xlab = xname,
  ylab = yname,
  plotname = xname,
  r2line = TRUE,
  pointtext = FALSE,
  pointlabs = x,
  pointcol = "black",
  savedir = "",
  ...
)

Arguments

• x: Explanatory variable data.
• y: Response variable data.
• xname: Variable name for plot header.
• yname: Variable name for plot header.
• pngtype: Filetype for png files, alternatively try "quartz" on Mac.
• xlab: X axis label, parsed from xname unless specified.
• ylab: Y axis label, parsed from yname unless specified.
• plotname: Filename for png, parsed from xname unless specified.
• r2line: Plot rsquared trendline, default TRUE.
• pointtext: Label each point? Default FALSE.
• pointlabs: Point labels, defaults to resvar value.
• pointcol: Points colour, default "black".
• savedir: Save location, end with "/".
• ...: Allows controlling of text label params e.g. adj cex &.

Returns

Invisibly saves png plot into savedir.

Details

Errors and their origins:

Author(s)

Simon Dedman, simondedman@gmail.com