"Thank you" mail.

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Kernel isomap is a very powerful technique to visualize these nonlinear relations among variables. Thank you for letting us use your MatLab code all these years.

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- Karl

I'm so glad and honored that somebody is enjoying my work...

Thank God.

- H. Choi

p.s.) All the codes as well as the papers are available at my web page http://people.cs.tamu.edu/hchoi/