Prediction Slice plot - what are the numbers inside the brackets on the left?

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Karina Gutierrez 2016-12-5

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https://ww2.mathworks.cn/matlabcentral/answers/315385-prediction-slice-plot-what-are-the-numbers-inside-the-brackets-on-the-left

评论： Star Strider 2016-12-5

I ran a glm model with 4 dependent variables and one predicted variable (binary response). Then I plotted the Slice plots. I think I can understand that the prediction on the left is the value expected at the set values shown below each of the predictors. How ever I don't understand what the numbers inside the brackets on the left represent. Also, what is the difference between "simultaneous and no-simultaneous" bonds? (I noticed the numbers on the brackets change accordingly)

Thanks, Karina

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Answer 1

Star Strider 2016-12-5

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https://ww2.mathworks.cn/matlabcentral/answers/315385-prediction-slice-plot-what-are-the-numbers-inside-the-brackets-on-the-left#answer_245951

The bracketed numbers are 95% confidence limits on the predicted value of the dependent variable at the chosen point.

I can’t find the ‘simultaneous and non-simultaneous bounds’ specifically mentioned in the documentation (the closest I can get is Plots to Understand Predictor Effects). They seem to consider the effect of all the independent (predictor) variables as opposed to each individual independent (predictor) variable on the dependent (response) variable. This is consistent with the confidence intervals being narrowest with the ‘non-simultaneous’ option.

I’m reasonably confident about the bracketed numbers, because looking at the plot, the numbers correspond to the plotted confidence interval. We’ll likely have to wait for MathWorks to see this and confirm it to be certain about my ‘bounds’ interpretation.