Error when trying to create a faceted plot in ggplot2
- by John Horton
I am trying to make a faceted plot in ggplot2 of the coefficients on the regressors from
two linear models with the same predictors. The data frame I constructed is this:
r.together>
reg coef se y
1 (Intercept) 5.068608671 0.6990873 Labels
2 goodTRUE 0.310575129 0.5228815 Labels
3 indiaTRUE -1.196868662 0.5192330 Labels
4 moneyTRUE -0.586451273 0.6011257 Labels
5 maleTRUE -0.157618168 0.5332040 Labels
6 (Intercept) 4.225580743 0.6010509 Bonus
7 goodTRUE 1.272760149 0.4524954 Bonus
8 indiaTRUE -0.829588862 0.4492838 Bonus
9 moneyTRUE -0.003571476 0.5175601 Bonus
10 maleTRUE 0.977011737 0.4602726 Bonus
The "y" column is a label for the model, reg are the regressors and coef and se are what you would think.
I want to plot:
g <- qplot(reg, coef, facets=.~y, data = r.together) + coord_flip()
But when I try to display the plot, I get:
> print(g)
Error in names(df) <- output :
'names' attribute [2] must be the same length as the vector [1]
What's strange is that
qplot(reg, coef, colour=y, data = r.together) + coord_flip()
plots as you would expect.
