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)