Expression Predictor Quick Start Guide | National Institute of Environmental Health Sciences Skip Navigation Expression Predictor Quick Start Guide Close the left navigation Add Table of Contents 1.1 Training/Testing Set Validation Over a Single Run 1.2 Training/Testing Set Validation over the Entire Vigilance Spectrum 2.1 Leave One Out Cross Validation a Single Run 2.2 Leave One Out Cross Validation over the Entire Vigilance Spectrum 1.1 Training/Testing Set Validation Over a Single Run 1. Double click on ExP.bat 2. Click on Project and select Load Data 3. Select Input file 4. Click Open 5. Select the Training Set 6. Click on the "Insert>>" button on the Training Set Panel 7. Select the Testing Set 8. Click on the "Insert>>" button on the Testing Set Panel 9. Select a vigilance value from the slider 10. Click on the "Submit button 11. Click on the Prediction Tab to view the confusion matrix 12. Click on one of the numbers in the confusion matrix to view the list of samples that corresponds the prediction in the selected cell from the matrix 1.2 Training/Testing Set Validation over the Entire Vigilance Spectrum 1. Repeat steps 1 to 8 from Section 1.1 2. Click on the checkbox that says "Apply All Values in Vigilance Spectrum" 3. Repeat steps 10 from Section 1.1 4. Click on Prediction Tab to view the prediction results using vigilance values from 0 to 1 with 0.01 increment at each cycle 5. Click on "Save As Text (Tab delimited), enter the filename, and click Save. 2.1 Leave One Out Cross Validation a Single Run 1. Repeat steps 1 to 4 from Section 1.1 2. Select Leave One Out Cross Validation 3. Click on the Submit button 4. Click on the Prediction Tab to view the confusion matrix 5. Click on one of the numbers in the confusion matrix to view the list of samples that corresponds to the prediction in the selected cell from the matrix. 2.2 Leave One Out Cross Validation over the Entire Vigilance Spectrum 1. Repeat steps 1 and 2 from Section 2.1 2. Click on the checkbox that says “Apply All Values in Vigilance Spectrum” 3. Repeat steps 3 Section 2.1 4. Click on Prediction Tab to view the prediction results using vigilance values from 0 to 1 with 0.01 increment at each cycle 5. Repeat step 5 from Section 1.2 to save prediction as tab-delimited text file. Back to Top Last Reviewed: February 05, 2026