_sources/tutorials/EXAFS/7th.md

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# The tutorial 7th 
Explains how PyXplore analyzes extended X-ray absorption fine structure (EXAFS) data.
  
## coding

> **1. Save your XAS data to the root directory and rename the file to `absorb.csv`.**







```{code-cell}
# import PyXplore package
from PyXplore import WPEM
import pandas as pd

WPEM.EXAFS('absorb.csv',de_bac = True).fit(first_cutoff_energy=22100,second_cutoff_energy=22400)
```



> **The result is saved in the `XAFS/EXAFS` folder.**