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lbwsg_plots.py
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lbwsg_plots.py
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import pandas as pd, numpy as np
import matplotlib.pyplot as plt
from matplotlib.patches import Rectangle
# import lbwsg
# import test_lbwsg
# cat_df = lbwsg.get_category_data()
def draw_lbwsg_categories(cat_df):
fig, ax = plt.subplots(figsize=(14,12))
def draw_category_rectangle(row):
rectangle = Rectangle(
(row.bw_start, row.ga_start),
row.bw_width, row.ga_width,
# label=row.lbwsg_category,
color='tab:blue',
fill=False
)
ax.add_patch(rectangle)
def add_category_label(row, xy=None):
x, y = (row.bw_midpoint, row.ga_midpoint) if xy is None else xy
ax.text(
x, y, row.lbwsg_category,
horizontalalignment='center',
verticalalignment='center'
)
cat_df.apply(draw_category_rectangle, axis=1)
cat_df.apply(add_category_label, axis=1)
for cat in ['cat2', 'cat8']:
row = cat_df.loc[cat_df.lbwsg_category==cat,:].squeeze()
add_category_label(row, xy=(row.bw_midpoint, row.ga_end-2))
ax.set_xlabel('Birthweight')
ax.set_xlim(0,4500)
ax.set_xticks(range(0,5000,500))
ax.set_ylabel('Gestational age')
ax.set_ylim(20,42)
ax.set_yticks(range(20,44,2))
plt.show()
def draw_lbwsg_categories2(cat_df):
fig, ax = plt.subplots(figsize=(18,8))
def draw_rectangle(row):
rectangle = Rectangle(
(row.ga_start, row.bw_start),
row.ga_width, row.bw_width,
# label=row.lbwsg_category,
color='tab:blue',
fill=False
)
ax.add_patch(rectangle)
ax.text(
row.ga_midpoint, row.bw_midpoint, row.lbwsg_category,
horizontalalignment='center',
verticalalignment='center'
)
cat_df.apply(draw_rectangle, axis=1)
ax.set_xlabel('Gestational age')
ax.set_xlim(0,42)
ax.set_xticks(range(0,42,2))
ax.set_ylabel('Birthweight')
ax.set_ylim(0,4500)
ax.set_yticks(range(0,4500,500))
plt.show()
def plot_log_rrs(
ax,
gai,
bwi,
logrri,
cat_df=None,
title="",
x_is_ga=True,
logrri_xy_matches_axes=True,
draw_category_midpoints=True,
draw_grid_midpoints=False,
draw_grid_boundary_points=False,
draw_category_rectangles=False,
grid_color='tab:blue',
rectangle_boundary_color='tab:blue',
contour_levels=15, # default if 'levels' not specified in contour_kwargs or contourf_kwargs
contour_linewidths=0.5, # default if 'linewidths' not specified in contour_kwargs
contour_colors='k', # default if 'colors' not specified in contour_kwargs
contourf_cmap='RdBu_r', # default if neither 'colors' nor 'cmap' is specified in contour_kwargs
contour_kwargs=None,
contourf_kwargs=None,
):
"""Make a contour plot of interpolated log RR's for LBWSG."""
def draw_category_rectangle(row, x_prefix, y_prefix, boundary_color):
rectangle = Rectangle(
(row[f"{x_prefix}_start"], row[f"{y_prefix}_start"]),
row[f"{x_prefix}_width"], row[f"{y_prefix}_width"],
color=boundary_color,
fill=False
)
ax.add_patch(rectangle)
# if contour_levels is None:
# contour_levels = 15
if contour_kwargs is None:
contour_kwargs = {}
if contourf_kwargs is None:
contourf_kwargs = {}
if 'levels' not in contour_kwargs:
contour_kwargs['levels'] = contour_levels
if 'linewidths' not in contour_kwargs:
contour_kwargs['linewidths'] = contour_linewidths
if 'colors' not in contour_kwargs:
contour_kwargs['colors'] = contour_colors
if 'levels' not in contourf_kwargs:
contourf_kwargs['levels'] = contour_levels
if 'colors' not in contourf_kwargs and 'cmap' not in contourf_kwargs:
contourf_kwargs['cmap'] = contourf_cmap
# fig, ax = plt.subplots(figsize=(10,8))
ga_params = ['Gestational age (weeks)', (0,42), range(0,42,2), gai, 'ga']
bw_params = ['Birthweight (g)', (0,4500), range(0,4500,500), bwi, 'bw']
xy_params = zip(ga_params, bw_params) if x_is_ga else zip(bw_params, ga_params)
(xlabel, ylabel), (xlim, ylim), (xticks, yticks), (xi, yi), (x_prefix, y_prefix) = xy_params
if not logrri_xy_matches_axes:
logrri = logrri.T
if cat_df is not None:
x_mid, y_mid = cat_df[f"{x_prefix}_midpoint"], cat_df[f"{y_prefix}_midpoint"]
x_min, y_min = cat_df[[f'{x_prefix}_start', f'{y_prefix}_start']].min()
x_max, y_max = cat_df[[f'{x_prefix}_end', f'{y_prefix}_end']].max()
x_unique = np.append(np.unique(x_mid), [x_min, x_max]); x_unique.sort()
y_unique = np.append(np.unique(y_mid), [y_min, y_max]); y_unique.sort()
# grid_color = 'tab:blue'
# rectangle_boundary_color = 'tab:blue'
if draw_grid_midpoints:
x_grid, y_grid = np.meshgrid(sorted(x_mid.unique()), sorted(y_mid.unique()))
ax.plot(x_grid.flatten(), y_grid.flatten(), 'o', color='none', markeredgecolor=grid_color, mew=1)
if draw_grid_boundary_points:
ax.plot(x_min, y_unique[None,:], 'o', color='none', mec=grid_color, mew=1)
ax.plot(x_max, y_unique[None,:], 'o', color='none', mec=grid_color, mew=1)
ax.plot(x_unique[None,:], y_min, 'o', color='none', mec=grid_color, mew=1)
ax.plot(x_unique[None,:], y_max, 'o', color='none', mec=grid_color, mew=1)
if draw_category_midpoints:
ax.plot(x_mid, y_mid, 'o', color=grid_color)
if draw_category_rectangles:
cat_df.apply(draw_category_rectangle, args=(x_prefix, y_prefix, rectangle_boundary_color), axis=1)
ax.contour(xi, yi, logrri, **contour_kwargs)
cntr = ax.contourf(xi, yi, logrri, **contourf_kwargs)
# fig.colorbar(cntr, ax=ax, label='log(RR)')
ax.set_xlabel(xlabel)
ax.set_ylabel(ylabel)
ax.set_xlim(*xlim)
ax.set_ylim(*ylim)
ax.set_xticks(xticks)
ax.set_yticks(yticks)
ax.set_title(title)
return cntr
# return fig, ax
def single_log_rr_plot(
gai,
bwi,
logrri,
cat_df=None,
title="",
x_is_ga=True,
logrri_xy_matches_axes=True,
draw_category_midpoints=True,
draw_grid_midpoints=False,
draw_grid_boundary_points=False,
draw_category_rectangles=False,
):
fig, ax = plt.subplots(figsize=(10,8))
cntr = plot_log_rrs(
ax=ax,
gai=gai,
bwi=bwi,
logrri=logrri,
cat_df=cat_df,
title=title,
x_is_ga=x_is_ga,
logrri_xy_matches_axes=logrri_xy_matches_axes,
draw_category_midpoints=draw_category_midpoints,
draw_grid_midpoints=draw_grid_midpoints,
draw_grid_boundary_points=draw_grid_boundary_points,
draw_category_rectangles=draw_category_rectangles,
)
fig.colorbar(cntr, ax=ax, label='log(RR)')
return fig, ax
def plot_log_rrs_by_age_sex(
gai,
bwi,
logrri_by_age_sex,
cat_df=None,
suptitle="",
x_is_ga=True,
logrri_xy_matches_axes=True,
draw_category_midpoints=True,
draw_grid_midpoints=False,
draw_grid_boundary_points=False,
draw_category_rectangles=False,
):
# Using constrained_layout=True instead of fig.tight_layout() because of colorbar
fig, axs = plt.subplots(2,2, figsize=(16,14), constrained_layout=True)
# Set same vmax for contourf function in each axes to use same scale on all plots
# vmax = max(logrri.max() for logrri in logrri_by_age_sex.values()) # if logrri_by_age_sex is a dict
vmax = logrri_by_age_sex.map(np.max).max() # if logrri_by_age_sex is a Series
age_ids_to_names = {2: 'Early Neonatal', 3: 'Late Neonatal'}
sex_ids_to_names = {1: 'Male', 2: 'Female'}
cntrs = []
for age in 2,3:
for sex in 1,2:
ax = axs[age-2,sex-1] # Top row is ENN, bottom row is LNN; 1st col is Male, 2nd col is Female
cntr = plot_log_rrs(
ax=ax,
gai=gai,
bwi=bwi,
logrri=logrri_by_age_sex[(age,sex)],
cat_df=cat_df,
title=f"{age_ids_to_names[age]}, {sex_ids_to_names[sex]}",
x_is_ga=x_is_ga,
logrri_xy_matches_axes=logrri_xy_matches_axes,
draw_category_midpoints=draw_category_midpoints,
draw_grid_midpoints=draw_grid_midpoints,
draw_grid_boundary_points=draw_grid_boundary_points,
draw_category_rectangles=draw_category_rectangles,
contourf_kwargs = dict(vmin=0, vmax=vmax),
)
cntrs += [cntr]
ax.title.set_fontsize(16)
# Find the ContourSet object with the maximum level, and use it to draw the colorbar.
# It seems like this shouldn't be necessary since I passed the same vmin and vmax
# to all the contourf calls, but the colorbar limits didn't go up to the maximum
# when I just passed the last used cntr.
max_cntr = max(cntrs, key=lambda cntr: cntr.levels.max())
fig.colorbar(max_cntr, ax=axs, label='log(RR)')
fig.suptitle(suptitle, fontsize=20)
return fig, axs, cntrs