ENH: vertical error bars in tukeyhsd plot_simultaneous

[iboraham]

• closes ENH: option to flip plot axes, vertical error bars in tukeyhsd plot_simultaneous #9052
• tests added / passed
• code/documentation is well formatted.
• properly formatted commit message. See
  NumPy's guide.

---

code

import matplotlib.pyplot as plt
from statsmodels.stats.multicomp import MultiComparison, pairwise_tukeyhsd

response = [4, 5, 7, 6, 2, 3, 12, 9, 7, 7]
groups = [
    "test1",
    "test1",
    "test2",
    "test2",
    "test3",
    "test3",
    "test4",
    "test4",
    "test5",
    "test5",
]

result = pairwise_tukeyhsd(response, groups, alpha=0.05)

# Plot the results
fig, ax = plt.subplots(figsize=(1, 1))

# Customize the plot appearance
result.plot_simultaneous(
    comparison_name="test3",
    ax=ax,
    figsize=(8, 5),
    xlabel="Response",  # X-axis label
    ylabel="Test Group",  # Y-axis label
    vertical=True,
)

# Reverse the order of labels on the y-axis
# ax.invert_yaxis() # off comments when vertical true

# Add a title to the plot
ax.set_title(f"Tukey's HSD Test for Response")

# Show the plot
plt.show()

Before:

After (with vertical=True):

[pep8speaks]

Hello @iboraham! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻

Comment last updated at 2023-12-20 10:52:30 UTC