"""
Ratio, split errors
===================

Compare two 1D histograms using the ratio [h1/h2] method and split the errors.
"""

from plothist import get_dummy_data

df = get_dummy_data()

name = "variable_1"

x1 = df[name][df["category"] == 2]
x2 = df[name][df["category"] == 3]

x_range = (min(min(x1), min(x2)), max(max(x1), max(x2)))

from plothist import make_hist

h1 = make_hist(x1, bins=50, range=x_range)
h2 = make_hist(x2, bins=50, range=x_range)

###
from plothist import plot_two_hist_comparison

fig, ax_main, ax_comparison = plot_two_hist_comparison(
    h1,
    h2,
    xlabel=name,
    ylabel="Entries",
    h1_label="$\mathbf{h1}$",
    h2_label="$\mathbf{h2}$",
    comparison="split_ratio",
)

fig.savefig("1d_comparison_split_ratio.svg", bbox_inches="tight")
