negative r squared

  1. A

    negative R² in output of randomForest package

    Hi everyone, I am currently writing my master thesis about random forests and just started to work with the R software. When I am running my model the output looks like this: Mean of squared residuals: 0.0002441535 % Var explained: -8.82 Can anyone explain me why I get a negative R²? I...
  2. R

    Adjusted R squared in R using library {design} Valmodel

    Please ignore question no longer need help - thank you for all of your responses!