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random_forest.py
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random_forest.py
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# %% [markdown]
# # Random Forest for Serology Prediction
# %% [markdown]
# ## Setup Steps
from pathlib import Path
root_dir = './'
base_dir = root_dir + 'randomforest/'
path = Path(base_dir)
NN_dir = './'
# %% [markdown]
# ## Random Forest Modeling
# %% [markdown]
# ### Prior Concordance Assessment
# %%
import pandas as pd
import numpy as np
import sys
import math
import lime
import lime.lime_tabular
from tqdm import tqdm
from sklearn.ensemble import RandomForestClassifier
import matplotlib.pyplot as plt
from sklearn.datasets import make_classification
from collections import defaultdict
from scipy.stats import spearmanr
from scipy.cluster import hierarchy
from scipy.spatial.distance import squareform
from sklearn.inspection import permutation_importance
#from sklearn.model_selection import train_test_split
def metrics(print_all='no'):
loci = ['A', 'B', 'C', 'DQB1', 'DRB1']
#loci = ['A']
# function to check if value can be an integer - to eliminate excess characters from serology labels
def checkInt(x):
try:
int(x)
return True
except ValueError:
return False
concordances = {}
for loc in loci:
newDict = {}
simDict = {}
diffDict = {}
oldPredict = {}
newPredict = {}
oldPredFile = Path(NN_dir + "old-predictions/" + loc + ".chile")
newPreds = pd.read_csv(base_dir + "predictions/" + loc + "_predictions.csv")
newPreds = newPreds.set_index('allele')
newPreds = newPreds.to_dict()
newPredict = newPreds["serology"]
for nKey in newPredict.keys():
adjustMe = newPredict[nKey]
adjustMe = adjustMe.replace('[','')
adjustMe = adjustMe.replace(']','')
adjustMe = adjustMe.replace(' ','')
adjustMe = adjustMe.replace("'",'')
adjustMe = adjustMe.split(',')
newPredict[nKey] = [x.strip('a') for x in adjustMe if checkInt(x)]
with open(oldPredFile, "r") as handle:
for line in handle:
if line.find('%') == -1:
next
else:
line = line.split()
if line == []:
next
else:
line[:] = [x for x in line if (x != '[100.00%]')]
allele = loc + "*" + str(line[0][:-1])
oldPredict[allele] = line[1:]
if loc == 'C':
skipc = ['C*01', 'C*02', 'C*03', 'C*04', 'C*05', 'C*06', 'C*07', 'C*08']
oldPredict = {k:v for k,v in oldPredict.items() if k[:4] in skipc}
newPredict = {k:v for k,v in newPredict.items() if k[:4] in skipc}
for each in oldPredict.keys():
allDict = {}
allDict["Allele"] = each
allDict["Old Assignment"] = oldPredict[each]
if each not in newPredict.keys():
next
else:
allDict["New Assignment"] = newPredict[each]
if set(newPredict[each]) != set(oldPredict[each]):
diffDict[each] = allDict
elif set(newPredict[each]) == set(oldPredict[each]):
simDict[each] = allDict
diffFrame = pd.DataFrame.from_dict(diffDict)
diffFrame = diffFrame.transpose()
diffFrame.to_csv(base_dir + "comparison/" + loc + "_compfile.csv", index=False)
simFrame = pd.DataFrame.from_dict(simDict)
simFrame = simFrame.transpose()
simFrame.to_csv(base_dir + "comparison/" + loc + "_similar.csv", index=False)
for allele in newPredict.keys():
allDict = {}
allDict["Allele"] = allele
allDict["Serologic Assignment"] = newPredict[allele]
if allele not in oldPredict.keys():
newDict[allele] = allDict
newFrame = pd.DataFrame.from_dict(simDict)
newFrame = newFrame.transpose()
newFrame.to_csv(base_dir + "comparison/" + loc + "_newsies.csv", index=False)
simLen = len(simFrame)
diffLen = len(diffFrame)
with open(base_dir + "comparison/" + loc + "_concordance.txt", "w+") as fhandle:
fhandle.write("HLA-" +loc+ " Similar: " + str(simLen))
fhandle.write("HLA-" +loc+ " Different: " + str(diffLen))
concordance = (simLen / (simLen + diffLen)) * 100
concordances[loc] = concordance
fhandle.write("HLA-" +loc+ " Concordance: " + str(concordance) + "%")
if print_all == "yes":
print("HLA-" +loc+ " Similar: " + str(simLen))
print("HLA-" +loc+ " Different: " + str(diffLen))
print("HLA-" +loc+ " Concordance: " + str(concordance) + "%")
return concordances
#main(print_all="yes")
# %% [markdown]
# ### Additional Data
# %%
# All data here from Sigma Aldrich
# https://www.sigmaaldrich.com/life-science/metabolomics/learning-center/amino-acid-reference-chart.html
mol_wghts = {
'A': 89.10,
'R': 174.20,
'N': 132.12,
'D': 133.11,
'C': 121.16,
'E': 147.13,
'Q': 146.15,
'G': 75.07,
'H': 155.16,
#'O': 131.13,
'I': 131.18,
'L': 131.18,
'K': 146.19,
'M': 149.21,
'F': 165.19,
'P': 115.13,
#'U': 139.11,
'S': 105.09,
'T': 119.12,
'W': 204.23,
'Y': 181.19,
'V': 117.15,
'-': 0,
'X': 0,
}
pKa = {
'A': 2.34,
'R': 2.17,
'N': 2.02,
'D': 1.88,
'C': 1.96,
'E': 2.19,
'Q': 2.17,
'G': 2.34,
'H': 1.82,
#'O': 1.82,
'I': 2.36,
'L': 2.36,
'K': 2.18,
'M': 2.28,
'F': 1.83,
'P': 1.99,
#'U': 0,
'S': 2.21,
'T': 2.09,
'W': 2.83,
'Y': 2.20,
'V': 2.32,
'-': 0,
'X': 0,
}
pKb = {
'A': 9.69,
'R': 9.04,
'N': 8.80,
'D': 9.60,
'C': 10.28,
'E': 9.67,
'Q': 9.13,
'G': 9.60,
'H': 9.17,
#'O': 9.65,
'I': 9.60,
'L': 9.60,
'K': 8.95,
'M': 9.21,
'F': 9.13,
'P': 10.60,
#'U': 0,
'S': 9.15,
'T': 9.10,
'W': 9.39,
'Y': 9.11,
'V': 9.62,
'-': 0,
'X': 0,
}
pKx = {
'A': 0,
'R': 12.48,
'N': 0,
'D': 3.65,
'C': 8.18,
'E': 4.25,
'Q': 0,
'G': 0,
'H': 6.00,
#'O': 0,
'I': 0,
'L': 0,
'K': 10.53,
'M': 0,
'F': 0,
'P': 0,
#'U': 0,
'S': 0,
'T': 0,
'W': 0,
'Y': 10.07,
'V': 0,
'-': 0,
'X': 0,
}
pI = {
'A': 6.00,
'R': 10.76,
'N': 5.41,
'D': 2.77,
'C': 5.07,
'E': 3.22,
'Q': 5.65,
'G': 5.97,
'H': 7.59,
#'O': 0,
'I': 6.02,
'L': 5.98,
'K': 9.74,
'M': 5.74,
'F': 5.48,
'P': 6.30,
#'U': 5.68,
'S': 5.68,
'T': 5.60,
'W': 5.89,
'Y': 5.66,
'V': 5.96,
'-': 0,
'X': 0,
}
# Hydrophobicity Index at pH 2
HI2 = {
'A': 47,
'R': -26,
'N': -18,
'D': -18,
'C': 52,
'E': 8,
'Q': -18,
'G': 0,
'H': -42,
#'O': 0,
'I': 100,
'L': 100,
'K': -37,
'M': 74,
'F': 92,
'P': -46,
#'U': 0,
'S': -7,
'T': 13,
'W': 84,
'Y': 49,
'V': 79,
'-': 0,
'X': 0,
}
# Hydrophobicity index at pH 7
HI7 = {
'A': 41,
'R': -14,
'N': -28,
'D': -55,
'C': 49,
'E': -31,
'Q': -10,
'G': 0,
'H': 8,
#'O': 0,
'I': 99,
'L': 97,
'K': -23,
'M': 74,
'F': 100,
'P': -46, # SA used pH 2
#'U': 0,
'S': -5,
'T': 13,
'W': 97,
'Y': 63,
'V': 76,
'-': 0,
'X': 0,
}
# %% [markdown]
# ### Data Preprocessing
# %%
np.set_printoptions(threshold=sys.maxsize)
def one_hot_decode(df):
df['serology']=''
for col in df.columns:
df.loc[df[col]==1,'serology'] = df['serology']+col+';'
return df
def fix_data(uniques, data, loc, iset, ident):
sero = {}
for row in data.itertuples(name='Pandas'):
sero[row.allele] = str(row.serology)
#sero[row[1]] = str(row[-1])
data = data.drop('serology', axis=1)
for key in sero.keys():
'''
# not applicable for old_sets train/test
if (sero[key].find(';') != -1):
sero[key] = sero[key].replace('a','')
sero[key] = sero[key].split(';')
else:
sero[key] = sero[key].replace('a','')
sero[key] = [sero[key]]
'''
#for old_sets train/test
sero[key] = sero[key].split(' ')
for x in sero[key]:
if (x not in uniques):
uniques.append(x)
else:
continue
uniques = list(map(int, uniques))
uniques.sort()
uniques = list(map(str, uniques))
for y in uniques:
data[y] = 0
one_sero = {}
for key in sero.keys():
one_sero[key] = { some_key : ("1" if (some_key in sero[key]) else "0")
for some_key in uniques }
one_df = pd.DataFrame.from_dict(one_sero)
one_df = one_df.transpose()
one_df.index.name = "allele"
data = data.set_index('allele')
data.update(one_df, overwrite=True)
data.to_csv(base_dir + 'randfor/'+iset+'/'+loc+'_'+ident+'.csv', index=True)
return data, uniques
def add_data(df):
OHcols = list(df.columns)
OHcols.remove('serology')
OHcols.remove('allele')
for col in OHcols:
MWname = 'MW'+str(col)
df[MWname] = df.apply(lambda row: mol_wghts[row[col]], axis=1)
pKaname = 'pKa'+str(col)
df[pKaname] = df.apply(lambda row: pKa[row[col]], axis=1)
pKbname = 'pKb'+str(col)
df[pKbname] = df.apply(lambda row: pKb[row[col]], axis=1)
pKxname = 'pKx'+str(col)
df[pKxname] = df.apply(lambda row: pKx[row[col]], axis=1)
pIname = 'pI'+str(col)
df[pIname] = df.apply(lambda row: pI[row[col]], axis=1)
HI2name = 'HI2_'+str(col)
df[HI2name] = df.apply(lambda row: HI2[row[col]], axis=1)
HI7name = 'HI7_'+str(col)
df[HI7name] = df.apply(lambda row: HI7[row[col]], axis=1)
df = df.drop(columns=OHcols, axis=1)
df = df.drop('serology', axis=1)
return df
# %% [markdown]
# ### Current Best Parameters for Random Forest
# %%
RSEED = 0
pre_concord = metrics()
loci = ["A", "B", "C", "DQB1", "DRB1"]
#loci = ['DQB1']
nest = {
'A': 40, #10
'B': 25, #199
'C': 5, #14
'DQB1': 64, #10
'DRB1': 16 #250
}
modfeat = {
'A': 'auto', #auto
'B': 1, #auto
'C': 'log2', #log2
'DQB1': 1, #log2
'DRB1': 'log2' #log2
}
numfeat = {
'A': 100, #False
'B': 200, #False
'C': 200, #False
'DQB1': 100, #False
'DRB1': False #log2
}
boot = {
'A': False,
'B': False,
'C': False,
'DQB1': False,
'DRB1': False
}
#boot = {
# 'A': True,
# 'B': True,
# 'C': True,
# 'DQB1': True,
# 'DRB1': True
#}
criteria = {
'A': 'gini',
'B': 'gini',
'C': 'gini',
'DQB1': 'gini',
'DRB1': 'gini'
}
oob = {
'A': False,
'B': False,
'C': False,
'DQB1': False,
'DRB1': False
}
#oob = {
# 'A': True,
# 'B': True,
# 'C': True,
# 'DQB1': True,
# 'DRB1': True
#}
# %% [markdown]
# ### Random Forest Classifiers
# %%
import warnings
warnings.filterwarnings('ignore')
RSEED = 0
pre_concord = metrics()
print("Predicting...")
for loc in tqdm(loci):
uniques = []
print(loc+'...', end='')
features = pd.read_csv(base_dir + "OHtraining/" + loc + "_train.csv")
vfeatures = pd.read_csv(base_dir + "OHtraining/" + loc + "_validation.csv")
test = pd.read_csv(base_dir + "OHtesting/" + loc + "_test.csv")
features, sers = fix_data(uniques, features,loc,iset='training',ident='train')
vfeatures, vsers = fix_data(uniques, vfeatures,loc,iset='training',ident='validation')
test = test.drop('serology', axis=1)
test.to_csv(base_dir + 'randfor/testing/'+loc+'_test.csv', index=True)
features = features.append(vfeatures)
# had to change following two lines from sers to vsers to account for additional validation data
labels = np.array(features[vsers])
features = features.drop(vsers, axis=1)
features = features.reset_index()
indices = features["allele"]
indices = list(indices)
features = features.drop('allele', axis=1)
feature_list = list(features.columns)
n_features = len(feature_list)
#maxfeat = int(math.sqrt(n_features))
all_features = features
features = np.array(features)
labels[labels!=labels]='0'
features[features!=features]='0'
features = features.astype(int)
labels = labels.astype(int)
test_idcs = test['allele']
test = test.drop('allele', axis=1)
#print(test.head(100))
all_test = test
test_list = list(test.columns)
test = np.array(test)
test[test!=test]='0'
test = test.astype(int)
ind_labels = [str(x) for x in sers]
all_predictions = []
for idx in range(0,len(ind_labels)):
ilabels = labels[:,idx]
forest = RandomForestClassifier(n_estimators=nest[loc],
criterion=criteria[loc],
bootstrap=boot[loc],
oob_score=oob[loc],
max_features=modfeat[loc],
random_state=RSEED,
n_jobs=-1)
forest.fit(features,ilabels)
#predictions = forest.predict(test)
threshold = 0.42
#predictions = forest.predict_proba(test)
#predictions[:,0] = (predictions[:,0] < threshold).astype('int')
#predictions = (predictions[:,1] >= threshold).astype('int')
#all_predictions.append(predictions)
# Feature/Permutation Importance
#feat_indices = np.argsort(forest.feature_importances_)[::-1]
if numfeat[loc] != False:
tree_importance_sorted_idx = np.argsort(forest.feature_importances_)
tree_importance_sorted_idx = tree_importance_sorted_idx[-numfeat[loc]:]
less_features = np.array(feature_list)[tree_importance_sorted_idx]
new_features = all_features[less_features]
new_features = np.array(new_features)
new_features[new_features!=new_features]='0'
new_features = new_features.astype(int)
less_test = np.array(test_list)[tree_importance_sorted_idx]
new_test = all_test[less_test]
new_test = np.array(new_test)
new_test[new_test!=new_test]='0'
new_test = new_test.astype(int)
new_forest = RandomForestClassifier(n_estimators=nest[loc],
criterion=criteria[loc],
bootstrap=boot[loc],
oob_score=oob[loc],
max_features=modfeat[loc],
random_state=RSEED,
n_jobs=-1)
new_forest.fit(new_features,ilabels)
#threshold = 0.42
predictions = new_forest.predict_proba(new_test)
predictions[:,0] = (predictions[:,0] < threshold).astype('int')
predictions = (predictions[:,1] >= threshold).astype('int')
all_predictions.append(predictions)
else:
predictions = forest.predict_proba(test)
predictions[:,0] = (predictions[:,0] < threshold).astype('int')
predictions = (predictions[:,1] >= threshold).astype('int')
all_predictions.append(predictions)
all_predictions = np.asarray(all_predictions)
all_predictions = np.transpose(all_predictions)
explainer = lime.lime_tabular.LimeTabularExplainer(features,feature_names=feature_list,class_names=ind_labels,kernel_width=5)
for rowexp in range(0,1):
exp = explainer.explain_instance(test[rowexp], forest.predict_proba, num_features=n_features)
exp.save_to_file('{}_{}.lime.html'.format(loc, str(rowexp)), show_table=True)
#preds_output = pd.DataFrame(predictions, index=test_idcs, columns=ind_labels)
preds_output = pd.DataFrame(all_predictions, index=test_idcs, columns=ind_labels)
preds_output = one_hot_decode(preds_output)
preds_output = preds_output.drop(ind_labels, axis=1)
preds_output.index.name = 'allele'
preds_output = preds_output.apply(lambda x: str((x['serology'].split(';'))[:-1]), result_type='broadcast', axis=1)
preds_output.to_csv(base_dir + 'predictions/'+loc+'_predictions.csv', index=True)
print("Done.")
# %% [markdown]
# ### Concordance Checker
# %%
post_concord = metrics()
for loc in loci:
print(loc + " Concordance:\t\t\t\t" + str(post_concord[loc])[:5] + "%")
change = post_concord[loc] - pre_concord[loc]
print("% Change:\t\t\t\t" + str(change)[:5] + "%")
# %% [markdown]
# ### Accuracy Checker
# %%
import pandas as pd
import numpy as np
loci = ['A', 'B', 'C', 'DQB1', 'DRB1']
summary = {}
# dict of dicts to store splits of broad specificities
broad_split = {
"A" : {
"9" : ["23", "24"],
"10" : ["25", "26", "34", "66"],
"19" : ["29", "30", "31", "32", "33", "74"],
"28" : ["68", "69"]
},
"B" : {
"5" : ["51", "52"],
"12" : ["44", "45"],
"14" : ["64", "65"],
"15" : ["62", "63", "75", "76", "77"],
"16" : ["38", "39"],
"17" : ["57", "58"],
"21" : ["49", "50"],
"22" : ["54", "55", "56"],
"40" : ["60", "61"],
"70" : ["71", "72"]
},
"C" : {
"3" : ["9", "10"]
},
"DQB1" : {
"1" : ["5", "6"],
"3" : ["7", "8", "9"]
},
"DRB1" : {
"2" : ["15", "16"],
"3" : ["17", "18"],
"5" : ["11", "12"],
"6" : ["13", "14"]
}
}
# dict of dict to store broad specificity for each split
split_broad = {}
for alphakey in broad_split.keys():
sb = {}
for betakey in broad_split[alphakey].keys():
for value in broad_split[alphakey][betakey]:
sb[value] = betakey
split_broad[alphakey] = sb
# function to check if value can be an integer - to eliminate excess characters from serology labels
def checkInt(x):
try:
int(x)
return True
except ValueError:
return False
# function to eliminate any serological assignments with under a 95% likelihood
def chance(x, line):
if (line[x].find("%") != -1):
x = float(line[x][:-1])
if 51 <= x:
test = True
else:
test = False
else:
test = False
return test
# function to generate dataframes to contain SNNS predictions
def SNNS_preds(loci=loci):
for loc in loci:
oldPredict = {}
oldPredFile = NN_dir + "old-predictions/" + loc + ".chile"
with open(oldPredFile, "r") as handle:
for line in handle:
if line.find('%') != -1:
line = line.split()
if line != []:
line[:] = [x for x in line if x != '[100.00%]']
allele = loc + "*" + str(line[0][:-1])
oldPredict[allele] = ' '.join(line[1:])
else:
next
opseries = pd.Series(oldPredict, name="serology")
opseries.index.name = "allele"
opseries.reset_index()
opseries.to_csv(NN_dir+"old-predictions/"+loc+"_predictions.csv", line_terminator='\n')
return
# function to measure concordance between old SNNS and new ML models
def concordance(loci=loci):
for loc in loci:
comparison = open(NN_dir+"comparison/" + loc + "_compfile.txt", "w+")
newsies = open(NN_dir+"comparison/" + loc + "_newsies.txt", "w+")
similarities = open(NN_dir+"comparison/" + loc + "_similar.txt", "w+")
oldPredict = {}
newPredict = {}
oldPredFile = NN_dir+"old-predictions/" + loc + ".chile"
newPreds = pd.read_csv(NN_dir+"predictions/" + loc + "_predictions.csv")
newPreds = newPreds.set_index('allele')
newPreds = newPreds.to_dict()
newPredict = newPreds["serology"]
for nKey in newPredict.keys():
adjustMe = str(newPredict[nKey])
adjustMe = adjustMe.replace('[','')
adjustMe = adjustMe.replace(']','')
adjustMe = adjustMe.replace('a','')
adjustMe = adjustMe.replace("'",'')
adjustMe = adjustMe.split(' ')
newPredict[nKey] = [x.strip('a') for x in adjustMe if checkInt(x)]
with open(oldPredFile, "r") as handle:
for line in handle:
if line.find('%') == -1:
next
else:
line = handle.readline()
line = line.split()
if line == []:
next
else:
line[:] = [x for x in line if x != '[100.00%]']
allele = loc + "*" + str(line[0][:-1])
oldPredict[allele] = line[1:]
for each in oldPredict.keys():
if each not in newPredict.keys():
next
elif set(newPredict[each]) != set(oldPredict[each]):
comparison.write("Different: " + str(each) + "\n")
comparison.write("Old Serologic Assignment: " + str(oldPredict[each]) + "\n")
comparison.write("New Serologic Assignment: " + str(newPredict[each]) + "\n")
elif set(newPredict[each]) == set(oldPredict[each]):
similarities.write("Same: " + str(each) + "\n")
similarities.write("Old Serologic Assignment: " + str(oldPredict[each]) + "\n")
similarities.write("New Serologic Assignment: " + str(newPredict[each]) + "\n")
comparison.close()
similarities.close()
for allele in newPredict.keys():
if allele not in oldPredict.keys():
newsies.write("NEW: " + str(allele) + "\n")
newsies.write("Serologic Assignment: " + str(newPredict[allele]) + "\n")
newsies.close()
return
def summary_table(loci=loci, summary=summary):
for locus in loci:
summary_data = {}
trn_set = pd.read_csv('training/' + locus + '_train.csv')
val_set = pd.read_csv('training/' + locus + '_validation.csv')
tst_set = pd.read_csv('testing/' + locus + '_test.csv')
old_trn_set = pd.read_csv('old_sets/train/' + locus + '_train.csv')
old_val_set = pd.read_csv('old_sets/train/' + locus + '_validation.csv')
old_tst_set = pd.read_csv('old_sets/test/' + locus + '_test.csv')
trnlen = float(len(trn_set))
vallen = float(len(val_set))
tstlen = float(len(tst_set))
polyAA = float(len(trn_set.iloc[0])) - 1
oldtrnlen = float(len(old_trn_set))
oldvallen = float(len(old_val_set))
oldtstlen = float(len(old_tst_set))
oldpolyAA = float(len(old_trn_set.iloc[0])) - 1
summary_data['Number of Training Alleles'] = trnlen
summary_data['R-SNNS Number of Training Alleles'] = oldtrnlen
summary_data['Difference in Training Set'] = trnlen - oldtrnlen
summary_data['Percent (%) Growth in Training Set'] = ((trnlen - oldtrnlen)/oldtrnlen) * 100
summary_data['Number of Validation Alleles'] = vallen
summary_data['R-SNNS Number of Validation Alleles'] = oldvallen
summary_data['Difference in Validation Set'] = vallen - oldvallen
summary_data['Percent (%) Growth in Validation Set'] = ((vallen - oldvallen)/oldvallen) * 100
summary_data['Number of Testing Alleles'] = tstlen
summary_data['R-SNNS Number of Testing Alleles'] = oldtstlen
summary_data['Difference in Testing Set'] = tstlen - oldtstlen
summary_data['Percent (%) Growth in Testing Set'] = ((tstlen - oldtstlen)/oldtstlen) * 100
summary_data['Number of Polymorphisms'] = polyAA
summary_data['R-SNNS Number of Polymorphisms'] = oldpolyAA
summary_data['Difference in Polymorphisms'] = polyAA - oldpolyAA
summary_data['Percent (%) Growth in Polymorphisms'] = ((polyAA - oldpolyAA)/oldpolyAA) * 100
summary[locus] = summary_data
sum_df = pd.DataFrame(data=summary)
sum_df.to_csv(NN_dir+'comparison/summary.csv', index=True)
return
def evaluate(loc, p_allele, relser, right, wrong, partial, bad, broad_split=broad_split, split_broad=split_broad):
p_ser = str(p_allele.serology).replace("'",'').replace('[','').replace(']','').replace('"','').replace(',','')
p_ser = set(p_ser.split(' '))
if p_allele.allele in relser.index:
newser = set(relser.loc[p_allele.allele].serology.split(' '))
if p_ser == newser:
right.append(p_allele.allele)
elif p_ser != newser:
wrong.append(p_allele.allele)
if any([w in newser for w in p_ser]):
partial.append(p_allele.allele)
else:
bad.append(p_allele.allele)
return right, wrong, partial, bad
else:
return right, wrong, partial, bad
def met_pct(datalist, right, wrong, partial, bad):
n_alleles = len(datalist)
#print(n_alleles)
n_r = len(right)
n_w = len(wrong)
n_p = len(partial)
n_b = len(bad)
p_r = (n_r / n_alleles) * 100
p_w = (n_w / n_alleles) * 100
p_p = (n_p / n_alleles) * 100
p_b = (n_b / n_alleles) * 100
p_dict = {
"All Calls Correct" : p_r,
"Incorrect" : p_w,
"At Least One Correct Call" : p_p,
"All Calls Incorrect" : p_b,
}
return p_dict
def accuracy(loc, dataframe, relser):
right = []
wrong = []
partial = []
bad = []
#print(loc)
for all in dataframe.iloc:
# FIXME - A*23:19Q does not appear in rel_dna_ser (A*23:19N instead)
# FIXME - B*07:44 does not appear in rel_dna_ser (B*07:44N instead)
# FIXME - B*08:06 does not appear in rel_dna_ser at all
# FIXME - B*49:15 does not appear in rel_dna_ser at all
# FIXME - C*03:23 does not appear in rel_dna_ser (C*03:23N instead)
# FIXME - C*03:99 does not appear in rel_dna_ser at all
# FIXME - C*05:02 does not appear in rel_dna_ser at all
# FIXME - C*07:226 does not appear in rel_dna_ser (C*07:226Q instead)
if all.allele in ["A*23:19Q", "B*07:44", "B*08:06", "B*49:15", "C*03:23", "C*03:99", "C*05:02", "C*07:226"]:
continue
right, wrong, partial, bad = evaluate(loc, all, relser, right, wrong, partial, bad)
df = relser[relser.index.isin(dataframe.allele)]
met_dict = met_pct(df, right, wrong, partial, bad)
return met_dict
def check_acc_all(loci=loci):
mets = {
"Old NN" : {},
"New NN" : {},
"Random Forest" : {},
}
for loc in loci:
old_nn_preds = pd.read_csv(NN_dir+"old-predictions/"+loc+"_predictions.csv", dtype=str)
new_nn_preds = pd.read_csv(NN_dir+"predictions/"+loc+"_predictions.csv", dtype=str)
new_nn_preds = new_nn_preds[new_nn_preds.allele.isin(old_nn_preds.allele)]
rf_preds = pd.read_csv(NN_dir+"randomforest/predictions/"+loc+"_predictions.csv", dtype=str)
rf_preds = rf_preds[rf_preds.allele.isin(old_nn_preds.allele)]
# added this filter to make sure all comparisons are identical
old_nn_preds = old_nn_preds[old_nn_preds.allele.isin(rf_preds.allele)]
#print('{}:\t\t{} alleles'.format(loc, str(len(old_nn_preds))))
relser = pd.read_csv(NN_dir+"ser/"+loc+"_ser.csv", dtype=str)
relser = relser.set_index('allele')
relser = relser.dropna()
mets["Old NN"][loc] = accuracy(loc, old_nn_preds, relser)
mets["New NN"][loc] = accuracy(loc, new_nn_preds, relser)
mets["Random Forest"][loc] = accuracy(loc, rf_preds, relser)
return mets
def compare_acc(mets, opt1, opt2, loci=loci):
c_dict = {}
for loc in loci:
l_dict = {}
r1 = mets[opt1][loc]['All Calls Correct']
w1 = mets[opt1][loc]['Incorrect']
p1 = mets[opt1][loc]['At Least One Correct Call']
b1 = mets[opt1][loc]['All Calls Incorrect']
r2 = mets[opt2][loc]['All Calls Correct']
w2 = mets[opt2][loc]['Incorrect']
p2 = mets[opt2][loc]['At Least One Correct Call']
b2 = mets[opt2][loc]['All Calls Incorrect']
l_dict['All Calls Correct'] = r2-r1
l_dict['Incorrect'] = w2-w1
l_dict['At Least One Correct Call'] = p2-p1
l_dict['All Calls Incorrect'] = b2-b1
c_dict[loc] = l_dict
return c_dict
def compare_acc_all(mets):
cond1 = "New_vs_Old_NN"
cond2 = "Random_Forest_vs_Old_NN"
cond3 = "Random_Forest_vs_New_NN"
opt1 = "Old NN"
opt2 = "New NN"
opt3 = "Random Forest"
comp_dict = {
cond1 : {},
cond2 : {},
cond3 : {},
}
comp_dict[cond1] = compare_acc(mets, opt1, opt2)
cframe1 = pd.DataFrame.from_dict(comp_dict[cond1])
cframe1.to_csv(NN_dir+'comparison/'+cond1+'.csv', index=True)
comp_dict[cond2] = compare_acc(mets, opt1, opt3)
cframe2 = pd.DataFrame.from_dict(comp_dict[cond2])
cframe2.to_csv(NN_dir+'comparison/'+cond2+'.csv', index=True)
comp_dict[cond3] = compare_acc(mets, opt2, opt3)
cframe3 = pd.DataFrame.from_dict(comp_dict[cond3])
cframe3.to_csv(NN_dir+'comparison/'+cond3+'.csv', index=True)
return comp_dict
concordance()
mets = check_acc_all()
mframe1 = pd.DataFrame.from_dict(mets['Old NN'])
mframe1.to_csv(NN_dir+'comparison/OldNN_mets.csv', index=True)
mframe2 = pd.DataFrame.from_dict(mets['New NN'])
mframe2.to_csv(NN_dir+'comparison/NewNN_mets.csv', index=True)
mframe3 = pd.DataFrame.from_dict(mets['Random Forest'])
mframe3.to_csv(NN_dir+'comparison/RF_mets.csv', index=True)
print("Random Forest:")
print(mframe3.to_string())
print('\n')
print("RSNNS:")
print(mframe1.to_string())
comp_dict = compare_acc_all(mets)