r what ctree mean what does ctree mean? how to find the square of a ctree in r what is r-square what is the r square if the model contains only one variable how to use ctree in r slang what is the purpose of ctree in r what is r-square model how to calculate r's squared value what is the r part for the presence of the ctree how does r ctree work what is the relationship between present model and ctree model? which statement best describes an environment-based tree model? how to use classification tree analysis in r what is classification tree analysis what are ctree variables what is ctree in r how to make r ctree model what is a ctree in r what is a ctree tree