Blame view
volia/stats.py
3.34 KB
9a2c6b4d0 New file that hel... |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 |
import argparse import os import core.data import math import numpy as np import scipy.stats import pickle import matplotlib.pyplot as plt import matplotlib.colors as mcolors from cycler import cycler def stats(): print("Decisions") print(list(mcolors.TABLEAU_COLORS)) if __name__ == "__main__": # Parser parser = argparse.ArgumentParser(description="") # Arguments parser.add_argument("--predictions", type=str, help="prediction file", required=True) parser.add_argument("--labels", type=str, help="label file", required=True) parser.add_argument("--labelencoder", type=str, help="label encode pickle file", required=True) parser.add_argument("--outdir", type=str, help="output file", required=True) args = parser.parse_args() predictions = core.data.read_id_values(args.predictions, float) labels = core.data.read_labels(args.labels) le = None with open(args.labelencoder, "rb") as f: le = pickle.load(f) stats = {} print("PREDICTIONS ---------------------------") for id_, predictions_ in predictions.items(): label = labels[id_][0] if label not in stats: stats[label] = { "nb_utt": 1, "predictions": np.expand_dims(predictions_, axis=0) } else: stats[label]["nb_utt"] = stats[label]["nb_utt"] + 1 stats[label]["predictions"] = np.append(stats[label]["predictions"], np.expand_dims(predictions_, axis=0), axis=0) print("CALCULATING ---------------------------") colors = [ "darkorange", "red", "blue" ] custom_cycler = (cycler(color=list(mcolors.TABLEAU_COLORS)) * cycler(linestyle=['-', '--', '-.'])) for label, stats_ in stats.items(): plt.gca().set_prop_cycle(custom_cycler) stats_mean = np.mean(stats_["predictions"], axis=0) stats_std = np.std(stats_["predictions"], axis=0) #print(label) #print(stats_mean) #print(stats_std) kwargs = dict(alpha=0.5) for i in range(stats_["predictions"].shape[1]): label_str = le.inverse_transform([i])[0] #plt.hist(stats_["predictions"][:, i], bins=10, label=label_str, **kwargs) mu = stats_mean[i] variance = stats_std[i] * stats_std[i] sigma = stats_std[i] # math.sqrt(variance) print(f"{i}: mu {mu}, var {variance}, sigma {sigma}") #x_values = np.arange(-1, 5, 0.1) #y_values = scipy.stats.norm(mu, variance) #y = scipy.stats.norm.pdf(x,mean,std) #plt.plot(x_values, y_values.pdf(x_values,)) #x, step = np.linspace(mu - 3*sigma, mu + 3*sigma, 1000, retstep=True) x = np.linspace(0, 1, 1000) #x = np.linspace(mu - 3*sigma, mu + 3*sigma, 1000) #x, step = np.linspace(0, 1, 1000, retstep=True) P = scipy.stats.norm.cdf(x, mu, sigma) #print(step) plt.plot(x, P, label=label_str, **kwargs) #plt.savefig("simple_gaussian.pdf") plt.legend() plt.savefig(os.path.join(args.outdir, f"{label}_prediction_cdf.pdf")) plt.clf() # TODO: # One graph for each label. Distribution of their predictions output are displayed. |