| barplotObserved {Ratings} | R Documentation |
Creates the observed data barplot discussed in Ho and Quinn (n.d.).
barplotObserved(Y, catnames, barcol = "darkgray", top.limit = 0.5,
scale.factor = 1, ...)
Y |
Matrix of data to be analyzed. Entries must be integers from
1, ..., C or NA where C
is the number of ordinal categories. Raters are on the rows and
products are on the columns. |
catnames |
A character vector of names for the rating categories. Should have C elements. First element should give the name for a rating of 1, second element the names for a rating of 2, etc. |
barcol |
The color for the bars in the barplot. |
top.limit |
The maximum value of the y axis. Should be between 0 and 1. |
scale.factor |
Scaling factor that adjusts the scaling of the y axis. Any positive value is allowed. |
... |
Other arguments to plotting functions. |
Ho, Daniel E. and Kevin M. Quinn. forthcoming. "Improving the Presentation and Interpretation of Online Ratings Data with Model-based Figures." The American Statistician.
ordrating,
barplotModelBased,
starplotObserved
## Not run:
## Mondo Times example from Ho & Quinn (nd).
data(Mondo)
## just the first 12 cols
Mondo.sub <- Mondo[,1:12]
barplotObserved(Mondo.sub, top.limit=1, scale.factor=.7,
catnames = c("Awful", "Poor", "Average",
"Very Good", "Great"))
## End(Not run)