do.first | R Documentation |
do.first allows the user to execute one or more commands before displaying values on a plot.
‘do.first’ is an argument in some plotrix functions that allows the user to do things like add a background color or a grid to the plot before displaying the other plot elements.
The value of ‘do.first’ should be a character string that can be parsed to one or more valid R commands. Remember to enclose the string in quotes, separate commands with semicolons and escape quotes within the string with backslashes if necessary.
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