Geoscientific Data Analysis Using Unix and GMT: Practical Methods and Techniques

Explore techniques for analyzing geoscientific data using Unix and GMT, including handling irregularly spaced data, fitting curves, processing noisy data, and utilizing filtering methods. Learn about spline usage, polynomial fitting, correlation coefficients, and Gnuplot functionalities.

• Geoscientific Data
• Data Analysis
• Unix
• GMT
• Fitting Curves

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1. Geoscientific data analysis using UNIX and GMT 6/8: GMT IV x-y plots and fitting curves Thorsten Becker The University of Texas at Austin April 2021

4. What to do with rough/irregularly spaced data?

5. Use splines?

6. Note curve outside data range -> use symbols and lines

7. How to process noisy data

8. Box car filter

9. Min/Median/Max filter

10. Fitting a polynomial

11. Fitting a polynomial always plot the residual

12. Fitting a line

13. Pearson (linear) correlation coefficient Correlation Spearman rank correlation

14. Correlation

15. Gnuplot plotting functions

16. Gnuplot

17. Gnuplot plotting data

18. Gnuplot fitting data

19. Gnuplot fitting data

22. Tools: g3data

23. No class next Thursday Friday is on Paraview 3-D visualization and other topics