Description Usage Arguments Value Author(s) See Also Examples
Plots cell means for a numeric variable in each category of a factor or in each combination of categories of two factors, optionally along with error bars based on cell standard errors or standard deviations.
1 2 3 4 5 6 | plotMeans(response, factor1, factor2,
error.bars = c("se", "sd", "conf.int", "none"), level=0.95,
xlab = deparse(substitute(factor1)),
ylab = paste("mean of", deparse(substitute(response))),
legend.lab = deparse(substitute(factor2)), main = "Plot of Means",
pch = 1:n.levs.2, lty = 1:n.levs.2, col = palette(), ...)
|
response |
Numeric variable for which means are to be computed. |
factor1 |
Factor defining horizontal axis of the plot. |
factor2 |
If present, factor defining profiles of means |
error.bars |
If |
level |
level of confidence for confidence intervals; default is .95 |
xlab |
Label for horizontal axis. |
ylab |
Label for vertical axis. |
legend.lab |
Label for legend. |
main |
Label for the graph. |
pch |
Plotting characters for profiles of means. |
lty |
Line types for profiles of means. |
col |
Colours for profiles of means |
... |
arguments to be passed to |
The function invisibly returns NULL
.
John Fox jfox@mcmaster.ca
1 |
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