Requesting an option to change the location of x-reference line

[nadthoob]

When plotting hazard or odds ratios in forest plots it would be helpful to be able to change the location of x-reference line--to move it from x=0 to x=1.

[EythorE]

I have been passing the kwarg "xline" to fp.forestplot which is then passed to draw_ref_xline(),
similar to the customization examples in https://forestplot.readthedocs.io.

import forestplot as fp
import pandas as pd
import matplotlib.pyplot as plt

df = pd.DataFrame({'name': ['name_a', 'name_b'], 'estimate': [1.1, 1.0]})
df['Lower CI'] = df['estimate'] - 0.05
df['Upper CI'] = df['estimate'] + 0.05

fp.forestplot(df,
              estimate='estimate',
              varlabel='name',
              ll="Lower CI", hl="Upper CI", 
              figsize=(5,2)
              **{
                  "xline": 1,
                  "xlinestyle": (1, (10, 5)) # long dash for x-reference line
              }
            )
plt.show()

[LSYS]

@nadthoob please see the above response by @EythorE

thanks @EythorE !

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