Method for ghist
applied to date or datetime objects.
1 2 3 4 5 6 7 8 9  ## S3 method for class 'Date'
ghist(x, breaks, ..., xlab = deparse(substitute(x)),
plot = TRUE, freq = FALSE, start.on.monday = TRUE, format,
grid = TRUE, col.grid = "grey90", col.acc = "white")
## S3 method for class 'POSIXt'
ghist(x, breaks, ..., xlab = deparse(substitute(x)),
plot = TRUE, freq = FALSE, start.on.monday = TRUE, format,
grid = TRUE, col.grid = "grey90", col.acc = "white")

x 
an object inheriting from class 
breaks 
a vector of cut points or number giving the number of
intervals which 
... 
graphical parameters, or arguments to

xlab 
a character string giving the label for the x axis, if plotted. 
plot 
logical. If 
freq 
logical; if 
start.on.monday 
logical. If 
format 
for the xaxis labels. See 
grid 
logical; if 
col.grid 

col.acc 

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