View source: R/datalow_utils.r
plotprep | R Documentation |
plotprep: sets up a window and the par values for a single plot. it checks to see if a graphics device is open and opens a new one if not. This is simply a utility function to save typing the standard syntax. Some of the defaults can be changed. Typing the name without () will provide a template for modification. If 'windows' is called repeatedly this will generate a new active graphics device each time leaving the older ones inactive but present. For quick exploratory plots this behaviour is not wanted, hence the check if an active device exists already or not.
plotprep(
width = 6,
height = 3.6,
plots = c(1, 1),
usefont = 7,
cex = 0.85,
xmtext = TRUE,
ymtext = TRUE,
newdev = TRUE,
rows = TRUE,
filename = ""
)
width |
defaults to 6 inches = 15.24cm - width of plot |
height |
defaults to 3 inches = 7.62cm - height of plot |
plots |
defaults to c(1,1), but arranges multiple plots. If used it may be necessary to print out this code and adjust the mai and oma variables |
usefont |
default is 7 (bold Times); 1 = sans serif, 2 = sans serif bold |
cex |
default is 0.85, the size of font used for text within the plots |
xmtext |
default is TRUE; if plots is not c(1,1) this alters the mai and oma variables for the x-axis to allow for mtexting and avoid the x title |
ymtext |
default is TRUE; if plots is not c(1,1) this alters the mai and oma variables for the y-axis to allow for mtexting and avoid the y title |
newdev |
reuse a previously defined graphics device or make a new one; defaults to TRUE |
rows |
defaults to TRUE, determines whether to use mfrow or mfcol |
filename |
defaults to "" = do not save to a filename. If a filename is |
Checks for and sets up a graphics device and sets the default plotting par values. This changes the current plotting options!
x <- rnorm(1000,mean=0,sd=1.0)
plotprep()
hist(x,breaks=30,main="",col=2)
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