7.2. Baseball players' salary data.

  7.3.  LA ozone.

  7.4. Handwritten Zip code recognition.

  7.5.  China weather

  7.6. US unemployment rates

  7.7. Optical intrinsic signal

  7.8. Functional MRI

  7.9. Yeast gene expression (diauxic shif)

  7.10. Digital-to-Analog Converter errors

  7.11.  PPB data

  7.12.  Others.