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BLPlotter-Synthetic.py
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BLPlotter-Synthetic.py
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#!/usr/bin/env python
# coding: utf-8
import os
import sys
import yaml
import argparse
import itertools
import numpy as np
import pandas as pd
import networkx as nx
from tqdm import tqdm
import multiprocessing
from pathlib import Path
import concurrent.futures
from itertools import permutations
from collections import defaultdict
from multiprocessing import Pool, cpu_count
from networkx.convert_matrix import from_pandas_adjacency
import seaborn as sns
import matplotlib as mpl
import matplotlib.pyplot as plt
import matplotlib.lines as line
import matplotlib.patches as patches
# local imports
import BLEval as ev
def get_parser() -> argparse.ArgumentParser:
'''
:return: an argparse ArgumentParser object for parsing command
line parameters
'''
parser = argparse.ArgumentParser(
description='Generate plots from evaluation results.')
parser.add_argument('-c','--config', default='config.yaml',
help="Comma delimited configuration file(s) containing list of datasets "
"algorithms and output specifications.\n")
parser.add_argument('-a', '--auprc', action="store_true", default=False,
help="Generate box plot of AUPRC values for evaluated algorithms.\n")
parser.add_argument('-r', '--auroc', action="store_true", default=False,
help="Generate box plot of AUROC values for evaluated algorithms.\n")
parser.add_argument('-e', '--epr', action="store_true", default=False,
help="Generate box plot of early precision values for evaluated algorithms.\n")
parser.add_argument('-v', '--overview', action="store_true", default=False,
help="Generate plot of AUPRC and early precision ratios relative to a random predictor.\n")
parser.add_argument('-o', '--output', default='.',
help="Output directory for generated plots.\n")
return parser
def parse_arguments():
'''
Initialize a parser and use it to parse the command line arguments
:return: parsed dictionary of command line arguments
'''
parser = get_parser()
opts = parser.parse_args()
return opts
def boxplot(opts, evalConfigs, datasets, randValue, resTypeFile, resTypeName):
# Set plot variables
plt.rcParams.update({'font.size': 14})
DFs = []
for i, dataset in enumerate(datasets):
evalConfig = evalConfigs[i]
# Read output file containing evaluated values
DF = pd.read_csv(str(evalConfig.output_settings.base_dir) + '/' \
+ str(evalConfig.input_settings.datadir).split("inputs")[1] + '/' \
+ str(evalConfig.output_settings.output_prefix) \
+ '-' + resTypeFile + '.csv', header = 0, index_col = 0)
DF = DF.T
# Add row index as column
DF.index.name = 'dataset'
DF.reset_index(inplace = True)
DFs.append(DF)
# Initialize plot window
f, axes = plt.subplots(len(datasets), 1, figsize=(1.5*max([len(DF.columns) for DF in DFs]), 5*len(datasets)))
for i, dataset in enumerate(datasets):
DF = DFs[i]
modifiedDF = pd.melt(DF, id_vars=['dataset'],
value_vars=['SINCERITIES', 'SCRIBE', 'SINGE', 'PPCOR', 'PIDC', 'GENIE3', 'LEAP', 'GRNBOOST2', 'GRISLI', 'GRNVBEM', 'SCNS', 'SCODE', 'SCSGL'])
conditions = [
modifiedDF['dataset'].str.contains('-100-'),
modifiedDF['dataset'].str.contains('-200-'),
modifiedDF['dataset'].str.contains('-500-'),
modifiedDF['dataset'].str.contains('-2000-')
]
outputs = ['100', '200', '500', '2000']
modifiedDF['category'] = pd.Series(np.select(conditions, outputs, '5000'))
modifiedDF['category'] = modifiedDF['category'].astype('category').cat.reorder_categories(['100', '200', '500', '2000', '5000'])
if len(datasets) > 1:
subax = axes[i]
else:
subax= axes
# Indicate random predictors value
ax = sns.lineplot(y = randValue,
x = range(-1,len(DF.columns)+1), ax = subax)
ax.lines[0].set_linestyle("--")
ax.lines[0].set_color("gray")
# Plot the evaluated values as a box plot
ax = sns.boxplot(y = 'value', x = 'variable', data = modifiedDF, fliersize = 0,
hue = "category",
palette = sns.color_palette("Set1"),
ax = subax)
# Get the legend from just the box plot
handles, labels = ax.get_legend_handles_labels()
sns.swarmplot(y ='value', x = 'variable', data = modifiedDF,
hue = "category",
alpha = 0.5, palette = ['k'],
dodge = True,
ax = subax)
# Remove the old legend
ax.legend_.remove()
# Add just the handles/labels from the box plot back
ax.legend(handles, labels,
title = 'No. of cells', bbox_to_anchor=(.5, 1.4), loc = 'upper center', ncol = len(modifiedDF['category'].cat.categories))
ax.set_ylim([0.0,1])
ax.set_ylabel(resTypeName, fontsize = 18)
ax.set_title(resTypeName +' values for ' + dataset +' Network', fontsize = 18)
plt.tight_layout()
subax.set_xlabel('Algorithm', fontsize = 18)
file = opts.output + '/' \
+ '-'.join([str(c.output_settings.output_prefix) for c in evalConfigs]) \
+ '-boxplot-' + resTypeFile + '.pdf'
print("Boxplot saved to " + file)
plt.savefig(file, dpi = 300)
def COplot(inputDF, width = 12, height = 7, randValues = [], shape = [],
palettes = [], levels = [], rotation = [], switch = []):
levls = levels
rowNames = inputDF.index
maxRows = len(inputDF.index)
maxCols = len(inputDF.columns)
pad = 2
fSize = (width,height)
f = plt.figure(figsize=fSize)
ax = plt.subplot2grid((2*maxRows + 3, len(levls)), (0, 0), colspan = 2, rowspan = 2*maxRows + 2)
ax.set_yticks(np.arange(0,maxRows+pad))
ax.set_xticks(np.arange(0,maxCols+pad))
Indices = [""] + list(rowNames) + [""]
ax.set_yticklabels(Indices, fontsize=18)
ax.spines['top'].set_visible(False)
ax.spines['right'].set_visible(False)
ax.spines['bottom'].set_visible(False)
ax.spines['left'].set_visible(False)
# Alternate gray and white row background colors
alt = False
for rowIdx in range(len(rowNames)):
if alt:
ptch = patches.Rectangle((0,rowIdx+0.5),
width = maxCols + 1,
height = 1,
edgecolor = (1,1,1),
facecolor = (0.9,0.9,0.9),)
else:
ptch = patches.Rectangle((0,rowIdx+0.5),
width = maxCols,
height = 1,
edgecolor = (1,1,1),
facecolor = (1,1,1),)
alt = not(alt)
ax.add_artist(ptch)
colCnt = 0
for levlIdx in range(len(levls)):
randValue = randValues[levlIdx]
colStart = colCnt
# Plot metric column headers
plt.text(colStart+2, maxRows + 2,
levls[levlIdx], fontsize=18, rotation=0,
ha="center", va="center",
bbox=dict(boxstyle="round",
ec=(1,1,1), fc=(1,1,1)))
colNames = inputDF[levels[levlIdx]].columns
for colIdx in range(len(colNames)):
colCnt += 1
# Plot dataset column headers
plt.text(colStart + colIdx + 1, maxRows + 1, colNames[colIdx],
fontsize=18, rotation=rotation[levlIdx],
ha="center", va="center",
bbox=dict(boxstyle="round",
ec=(1,1,1,0),
fc=(1,1,1,0)))
for rowIdx in range(len(rowNames)):
value = inputDF.loc[rowNames[rowIdx],levls[levlIdx]][colNames[colIdx]]
if shape[levlIdx] == 'arrow':
valList = ['\u2197','\u2198','\u003d']
# Configure arrow direction and color for arrow shape cells
if value > 1:
txt = valList[0]
col = '#4CAF50'
fSize = 24
elif value < 1:
txt = valList[1]
col = '#E53935'
fSize = 24
elif value == 1:
txt = valList[2]
col = '#2E4053'
fSize = 24
else:
# Missing values?
txt = '-'
col = '#2E4053'
fSize = 24
plt.text(colStart+colIdx+1, rowIdx+1,
txt, fontsize= fSize, rotation=0,
ha="center", va="center", color = col,
bbox=dict(boxstyle="round",
ec=(1,1,1,0), fc=(1,1,1,0)))
if shape[levlIdx] == 'text':
fSize = 23
if value < 1:
txt = round(value,2)
else:
txt = int(value)
# Plot value as text in text cells
col = '#2E4053'
fSize = 11
plt.text(colStart+colIdx+1, rowIdx+1,
txt, fontsize= fSize, rotation=0,
ha="center", va="center", color = col,
bbox=dict(boxstyle="round",
ec=(1,1,1,0), fc=(1,1,1,0)))
if shape[levlIdx] not in ['text','arrow']:
txt = value
if np.isnan(value):
# Plot '-' text and gray cell color for a missing value
txt = '-'
col = '#2E4053'
fSize = 24
plt.text(colStart+colIdx+1, rowIdx+1,
txt, fontsize= fSize, rotation=0,
ha="center", va="center", color = col,
bbox=dict(boxstyle="round",
ec=(1,1,1,0), fc=(1,1,1,0)))
continue
elif value < randValue:
# Plot a gray cell color for a values worse than random
col = '#2E4053'
else:
# Plot a cell color based on the range of cell values and column palette
value = round(value,3)
rangesD = (round(inputDF[levls[levlIdx]][colNames[colIdx]].min(),3),
round(inputDF[levls[levlIdx]][colNames[colIdx]].max(),3))
value = (value-rangesD[0])/(rangesD[1]-rangesD[0])
col = palettes[levlIdx][int(np.floor((value)*10))]
if shape[levlIdx] == 'c':
# Plot a circle sized by the cell value
circle1=patches.Circle((colStart+colIdx+1,rowIdx+1),
radius = np.sqrt(value)/2.5,
facecolor=col,
edgecolor = 'k',)
elif shape[levlIdx] == 's':
# Plot a fixed size square with a black border
size = value*0.8
circle1=patches.Rectangle((colStart+colIdx+1-(size/2),rowIdx+1-(size)/2),
width = size,
height = size,
facecolor=col,
edgecolor = 'k',)
elif shape[levlIdx] == 'hm':
# Plot a fixed size square with no border
size = 1
circle1=patches.Rectangle((colStart+colIdx+1-(size/2),rowIdx+1-(size)/2),
width = size-0.1,
height = size,
facecolor = col,
edgecolor = col,)
elif shape[levlIdx] == 'rs':
# Plot a rounded square sized by the cell value
size = size*0.8
if size <= 0.15:
size = 0.15
boxPad = 0.075
newVal = size - boxPad*2
circle1=patches.FancyBboxPatch((colStart+colIdx+1-(newVal/2),rowIdx+1-(newVal)/2),
width = newVal,
height = newVal,
facecolor=col,
edgecolor = 'k',
boxstyle=patches.BoxStyle("Round", pad=boxPad))
elif shape[levlIdx] == 'w':
# Plot a sector of a circle sized by the cell value
circle1=patches.Wedge((colStart+colIdx+1,rowIdx+1),
r = 0.4,
theta1 = 0,
theta2 = round(value*360,2),
facecolor = col,
edgecolor = 'k',)
elif shape[levlIdx] == 'b':
# Plot a bar with height sized by the cell value
circle1=patches.Rectangle((colStart+colIdx+0.6,rowIdx+0.65),
width = 0.75,
height = value,
facecolor=col,
edgecolor = 'k',)
elif shape[levlIdx] == 'f':
# Plot fixed size flat color square
circle1=patches.Rectangle((colStart+colIdx+1,rowIdx+0.6),
width = 1,
height = 1,
facecolor = col,
edgecolor = col,)
ax.add_artist(circle1)
textCol = ['black','white']
if switch[levlIdx]:
textCol[0] = 'white'
textCol[1] = 'black'
# Plot the cell value as text in the maximum and minimum value cells
if value >= 1:
plt.text(colStart+colIdx+1, rowIdx+1,
round(txt,1), fontsize= 18, rotation=0,
ha="center", va="center", color = textCol[0],
bbox=dict(boxstyle="round",
ec=(1,1,1,0), fc=(1,1,1,0)))
if value <= 0:
plt.text(colStart+colIdx+1, rowIdx+1,
round(txt,1), fontsize= 18, rotation=0,
ha="center", va="center", color = textCol[1],
bbox=dict(boxstyle="round",
ec=(1,1,1,0), fc=(1,1,1,0)))
ax.yaxis.set_ticks_position('none')
ax.xaxis.set_ticks_position('none')
ax.set_xticklabels([])
for levlIdx in range(len(levls)):
# Add color range legend
ax = plt.subplot2grid((2*maxRows + 3, len(levls)), (2*maxRows + 2, levlIdx))
plt.subplots_adjust(left=0.4, right=0.6)
ax.imshow(np.arange(len(palettes[levlIdx])).reshape(1, len(palettes[levlIdx])),
cmap=mpl.colors.ListedColormap(list(palettes[levlIdx])),
interpolation="nearest", aspect="auto")
ax.yaxis.set_ticks_position('none')
ax.xaxis.set_ticks_position('none')
ax.set_yticklabels([])
ax.set_xticks([0.5, len(palettes[levlIdx]) - 2])
ax.set_xticklabels(['Low/Poor', 'High/Good'], fontsize=16)
def main():
opts = parse_arguments()
config_files = opts.config.split(',')
datasets = []
evalConfigs = []
for config_file in config_files:
with open(config_file, 'r') as conf:
evalConfig = ev.ConfigParser.parse(conf)
evalConfigs.append(evalConfig)
datasets.append(str(os.path.basename(evalConfig.input_settings.datadir)))
randPredictor = {}
# To compute network density for a dataset
for i, dataset in enumerate(datasets):
evalConfig = evalConfigs[i]
# Read the reference network
trueEdgesDF = pd.read_csv(str(evalConfig.input_settings.datadir) + '/' + evalConfig.input_settings.datasets[0]['name'] \
+ '/' + evalConfig.input_settings.datasets[0]['trueEdges'],
header = 0, index_col = None)
# Remove self-edges in network density computation, if any
trueEdgesDF = trueEdgesDF[trueEdgesDF.Gene1 != trueEdgesDF.Gene2]
# Remove duplicated edges, if any
trueEdgesDF.drop_duplicates(inplace = True)
# Compute number of possible directed edges
numGenes = len(np.unique(trueEdgesDF.loc[:,['Gene1','Gene2']]))
numPossibleEdges = numGenes*(numGenes-1)
randPred = trueEdgesDF.shape[0]/numPossibleEdges
print("Early Precision of a random predictor for ", dataset ," network (excluding self loops) is: %.2f" %(randPred))
randPredictor[dataset] = randPred
# Generate AUPRC boxplot
if (opts.auprc):
print('\n\nGenerating AUPRC boxplot...')
boxplot(opts, evalConfigs, datasets, randPredictor[dataset], 'AUPRC', 'AUPRC')
# Generate AUROC boxplot
if (opts.auroc):
print('\n\nGenerating AUROC boxplot...')
boxplot(opts, evalConfigs, datasets, 0.5, 'AUROC', 'AUROC')
# Generate EPr boxplot
if (opts.epr):
print('\n\nGenerating Early Precision boxplot...')
boxplot(opts, evalConfigs, datasets, randPredictor[dataset], 'EPr', 'Early Precision')
# Generate overview plot
if (opts.overview):
print('\n\nGenerating overview plot...')
#TODO add option to select overview columns
#resType = ['AUPRC Ratio','Early Precision Ratio']
#resTypeFileName = [ 'AUPRC', 'EPr']
resType = ['AUPRC Ratio', 'Stability Across Datasets']
resTypeFileName = [ 'AUPRC', 'Jaccard']
# Store results from each dataset in a dictionary and
# then convert it to a dataframe.
Res = {}
# Initialize dataframe to store results
multIndTuple = []
for res in resType:
for dataset in datasets:
multIndTuple.append((res,dataset))
ResDF = pd.read_csv(str(evalConfigs[0].output_settings.base_dir) + '/' \
+ str(evalConfigs[0].input_settings.datadir).split("inputs")[1] + '/' \
+ str(evalConfigs[0].output_settings.output_prefix) \
+ '-' + resTypeFileName[0] + '.csv', header = 0, index_col = 0)
algs = ResDF.index
overviewDF = pd.DataFrame(index = algs, columns = pd.MultiIndex.from_tuples(multIndTuple))
for i, res in enumerate(resType):
for j, dataset in enumerate(datasets):
evalConfig = evalConfigs[j]
ResDF = pd.read_csv(str(evalConfig.output_settings.base_dir) + '/' \
+ str(evalConfig.input_settings.datadir).split("inputs")[1] + '/' \
+ str(evalConfig.output_settings.output_prefix) \
+ '-' + resTypeFileName[i] + '.csv', header = 0, index_col = 0)
ResDF = ResDF.T
for alg in algs:
# If early precision, compute the Early Precision Ratio (EPR)
# by dividing the values by that of a random predictor
if res == 'Early Precision Ratio' or res == 'AUPRC Ratio':
overviewDF.loc[alg][res,dataset] = ResDF[alg].median()/randPredictor[dataset]
elif res == 'Stability Across Datasets' or res == 'Spearman':
overviewDF.loc[alg][res,dataset] = ResDF.iloc[0][alg]
else:
overviewDF.loc[alg][res,dataset] = ResDF[alg].median()
overviewDF = overviewDF.loc[overviewDF['AUPRC Ratio'].median(axis='columns').sort_values().index]
pale1 = sns.cubehelix_palette(11, dark=1, light = 0)
pale2 = sns.color_palette("plasma_r",11)
pale3 = sns.color_palette("viridis",11)
pale3h = sns.cubehelix_palette(11, reverse = True)#[2:]
pale3r = sns.color_palette("magma",11)
pale4 = sns.color_palette("magma_r",13)[:-2]
pale5 = sns.cubehelix_palette(rot=-0.3,n_colors = 11)
pale5 = sns.color_palette('cividis_r', n_colors = 12)[:-1]
COplot(overviewDF, width = 3*len(evalConfigs) + 1, height = len(algs) + 3, randValues = [1, 0, 0, 0],
shape = ['hm','hm','hm','arrow'], palettes = [pale3, pale3h, pale5 ,pale3r],
levels = resType, rotation = [0,0,0,0],
switch = [False, False, True, False])
plt.tight_layout()
file = opts.output + '/' \
+ '-'.join([str(c.output_settings.output_prefix) for c in evalConfigs]) + '-overview.pdf'
print("Overview plot saved to " + file)
plt.savefig(file)
if __name__ == '__main__':
main()