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plotting.py
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plotting.py
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import errno
import os
import numpy as np
import matplotlib.pyplot as plt
from matplotlib.ticker import FuncFormatter
import seaborn as sns
sns.set_style("white")
sns.set_style("ticks")
def mkdirs(dirs):
try:
os.makedirs(dirs)
except OSError as e:
if e.errno != errno.EEXIST:
raise
def add_col(df, name, *columns):
fmt = ", ".join(["{}" for _ in range(len(columns))])
def to_apply(row):
return fmt.format(*(row[col] for col in columns))
return df.assign(**{name: df.apply(to_apply, axis="columns")})
def plot_behavior(df, rats, filepath=None, labels=None, colours=None, by_outcome=False,
change_sessions=None, xlim=None, measure=None, diff_targets=True):
if change_sessions is None:
change_sessions = []
n_sessions = max(df['session'])
if labels is None:
labels = ["Duration in food cup (s)",
"Number of entries",
"Latency to first entry (s)",
"Percent responses"]
if colours is None:
colours = 'Paired'
rat_idx = np.zeros(len(df), dtype=bool)
for rat in rats:
rat_idx = rat_idx | (df['rat'] == rat.rat_id)
rats_df = df[rat_idx]
if measure is not None:
rats_df = rats_df.loc[rats_df.measure == measure]
if by_outcome and not diff_targets:
rats_df = add_col(rats_df, "unit", "cue", "rat", "trial")
rats_df = add_col(rats_df, "condition", "cue_type", "rewarded")
elif by_outcome and diff_targets:
rats_df = add_col(rats_df, "unit", "cue_type", "rat", "trial")
rats_df = add_col(rats_df, "condition", "cue_type", "rewarded")
else:
rats_df = add_col(rats_df, "unit", "rat", "trial")
rats_df = add_col(rats_df, "condition", "cue", "rewarded")
g = sns.FacetGrid(data=rats_df, col="measure", sharey=False, size=3, aspect=1.)
g.map_dataframe(sns.tsplot, time="session", unit="unit", condition="condition", value="value",
err_style="ci_band", ci=68, color=colours)
g.set_axis_labels("Session", "Value")
plt.gca().xaxis.set_major_formatter(FuncFormatter(lambda x, _: int(x)))
for ax, label in zip(g.axes[0], labels):
ax.set_title("")
ax.set_ylabel(label)
for start, stop in zip(change_sessions[::2], change_sessions[1::2]):
ax.axvspan(start, stop, alpha=0.3, color='#bdbdbd')
if len(change_sessions) % 2 == 1:
ax.axvspan(change_sessions[-1], n_sessions, alpha=0.3, color='#bdbdbd')
if xlim is not None:
ax.set_xlim(xlim)
handles, labels = plt.gca().get_legend_handles_labels()
sortedhl = sorted(zip(handles, labels), key=lambda x: x[1])
plt.gca().legend(*zip(*sortedhl), bbox_to_anchor=(1., 0.95))
plt.tight_layout()
if filepath is not None:
mkdirs(os.path.dirname(filepath))
plt.savefig(filepath, bbox_inches='tight')
plt.close()
else:
plt.show()
def plot_overtime(df, rats, measure=None, labels=None, colours=None, filepath=None):
if measure is None:
raise ValueError("must include a measure. Duration, Count, Latency, "
"or AtLeastOne are all acceptable measures.")
if colours is None:
colours = "deep"
rat_idx = np.zeros(len(df), dtype=bool)
for rat in rats:
rat_idx = rat_idx | (df['rat'] == rat.rat_id)
rats_df = df[rat_idx]
if measure is not None:
rats_df = rats_df.loc[rats_df.measure == measure]
rats_df = add_col(rats_df, "unit", "rat", "trial", "session")
g = sns.FacetGrid(data=rats_df, col="duration", sharey=False, size=3, aspect=1.)
g.map_dataframe(sns.tsplot, time="time_start", unit="unit", condition="cue", value="value",
err_style="ci_band", ci=68, color=colours)
ylim = 0
for ax in g.axes[0]:
ax.set_ylabel(labels)
if ax.get_ylim()[1] > ylim:
ylim = ax.get_ylim()[1]
for ax in g.axes[0]:
ax.set_ylim(0, ylim)
plt.tight_layout()
handles, labels = ax.get_legend_handles_labels()
sortedhl = sorted(zip(handles, labels), key=lambda x: x[1])
plt.legend(*zip(*sortedhl), bbox_to_anchor=(1., 1.))
plt.tight_layout()
if filepath is not None:
mkdirs(os.path.dirname(filepath))
plt.savefig(filepath, bbox_inches='tight')
plt.close()
else:
plt.show()