multicomp.reverse
Force all comparisons in a "multicomp" object to have the same sign.
Force all comparisons in a "multicomp" object
to have the same sign. If the contrast "A-B" has a negative estimate,
reverse it show the contrast "B-A" with a positive estimate.
If a contrast name does not include a minus sign "-" and the
contrast is reversed, then an informative message is printed.
- Keywords
- dplot
Usage
multicomp.reverse(y, estimate.sign = 1, ...)Arguments
- y
"multicomp"object- estimate.sign
If
estimate.sign==1, reverse the negatives. Ifestimate.sign==-1, reverse the positives. Both the names of the comparisons and the numerical values are reversed. Ifestimate.sign==0, return the argument.- …
other arguments not used.
Value
The result is a "multicomp" object containing the same contrasts
as the argument but with the sign of the contrasts changed as needed.
Note
S-Plus use the multicomp functions and R uses the multcomp
package.
References
Heiberger, Richard M. and Holland, Burt (2015). Statistical Analysis and Data Display: An Intermediate Course with Examples in R. Second Edition. Springer-Verlag, New York. https://www.springer.com/us/book/9781493921218
Heiberger, Richard M. and Holland, Burt (2006). "Mean--mean multiple comparison displays for families of linear contrasts." Journal of Computational and Graphical Statistics, 15:937--955.
See Also
Examples
# NOT RUN {
## see example in multicomp.order
# }