Here's what the first few lines of  the same  CSV spreadsheet file looks like when opened in a text editor (notice the commas separating the values within each row):
angle, V_pd, V_pd_error
0.000000000000000000e+00,3.236249999999999716e+01,2.492398249033692462e-02
1.500000000000000000e+01,3.008079999999999998e+01,1.536232648449061544e-01
3.000000000000000000e+01,2.402850000000000108e+01,2.527732747539992997e-01