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Commit ddc12c13 authored by Baptiste Bauvin's avatar Baptiste Bauvin
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Added graphs tovizualize errors on examples

parent 01cfc232
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......@@ -90,7 +90,7 @@ def analyzeIterLabels(labelsAnalysisList, directory, classifiersNames, minSize=1
figKW = {"figsize": (figWidth, figHeight)}
fig, ax = plt.subplots(nrows=1, ncols=1, **figKW)
data = sum(labelsAnalysisList)
cax = plt.imshow(data, interpolation='none', cmap="grey", aspect='auto')
cax = plt.imshow(-data, interpolation='none', cmap="Greys", aspect='auto')
plt.title('Errors depending on the classifier')
ticks = np.arange(nbIter/2-0.5, nbClassifiers * nbIter, nbIter)
plt.xticks(ticks, classifiersNames, rotation="vertical")
......@@ -99,6 +99,16 @@ def analyzeIterLabels(labelsAnalysisList, directory, classifiersNames, minSize=1
fig.tight_layout()
fig.savefig(directory + time.strftime("%Y%m%d-%H%M%S") + "-error_analysis.png")
plt.close()
errorOnExamples = -1 * np.sum(data, axis=1) / nbIter + (nbClassifiers*len(labelsAnalysisList))
np.savetxt(directory + time.strftime("%Y%m%d-%H%M%S") + "-clf_errors.csv", data, delimiter=",")
np.savetxt(directory + time.strftime("%Y%m%d-%H%M%S") + "-example_errors.csv", errorOnExamples, delimiter=",")
fig, ax = plt.subplots()
x = np.arange(nbExamples)
plt.bar(x, errorOnExamples)
plt.ylim([0,nbClassifiers*len(labelsAnalysisList)])
plt.title("Number of classifiers that failed to classify each example")
fig.savefig(directory + time.strftime("%Y%m%d-%H%M%S") + "-example_errors.png")
plt.close()
def analyzeLabels(labelsArrays, realLabels, results, directory, minSize = 10):
......@@ -130,6 +140,16 @@ def analyzeLabels(labelsArrays, realLabels, results, directory, minSize = 10):
fig.tight_layout()
fig.savefig(directory + time.strftime("%Y%m%d-%H%M%S") + "-error_analysis.png")
plt.close()
errorOnExamples = -1*np.sum(data, axis=1)/nbIter+nbClassifiers
np.savetxt(directory + time.strftime("%Y%m%d-%H%M%S") + "-clf_errors.csv", data, delimiter=",")
np.savetxt(directory + time.strftime("%Y%m%d-%H%M%S") + "-example_errors.csv", errorOnExamples, delimiter=",")
fig, ax = plt.subplots()
x = np.arange(nbExamples)
plt.bar(x, errorOnExamples)
plt.ylim([0,nbClassifiers])
plt.title("Number of classifiers that failed to classify each example")
fig.savefig(directory + time.strftime("%Y%m%d-%H%M%S") + "-example_errors.png")
plt.close()
return data
......
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