install.packages("remotes")

remotes::install_github("ddsjoberg/dca")

library(dca)

# Compare Model vs C1

dca(data=data, outcome=Outcome, predictors=c("Model", "C1"), probability=c("TRUE", "FALSE"))

1.请问现在怎么通过这个语句下载dca这个包？2.怎么比较模型和单个变量的决策曲线呐？