Naichi Zhang

3 Questions 6 Answers 0 Followers

Questions related from Naichi Zhang

Why do the same set of data get different R2 calculated by three methods (r2_score & fit trendline in excel & linear regression in spss)?

For the same set of data, e.g. x1=1, y1=3 x1=2, y1=2 x1=3, y1=1 calculated by r2_score: ''' from sklearn.metrics import r2_score r2_score([1,2,3], [3,2,1])''' the result is -3 2. plot graph in...

27 February 2023 3,231 5 View

What's the significance of the parameter, like "SCF" or "radius of SCF" in FEFF or FDMNES?

I know the function of SCF in XANES calculation is to determine Fermi energy, but SCF parameter has little effect on the spectrum, and the calculation time increase greatly, as shown...

23 March 2022 8,822 2 View

How can i transfer the Y-axis from "cross section" computed by fdmnes code to "normalized absorption" in experimental data?

After i run fdmnes program to compute XANES, i can get a figure with "cross section" on the Y-axis, and its unit is "Mbarn", but the Y-axis of experimental data is "normalized absorption". So when...

09 March 2022 4,539 9 View