45 lines
1.0 KiB
Python
45 lines
1.0 KiB
Python
import os
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import sys
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import pandas as pd
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from sklearn.preprocessing import StandardScaler
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from sklearn.decomposition import PCA
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from sklearn.model_selection import train_test_split
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from sklearn import svm
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from sklearn import metrics
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if len(sys.argv) < 2:
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print("no input csv file")
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exit(0)
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df = pd.read_csv(sys.argv[1])
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# print(df, df.columns[0:len(df.columns)])
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xcols = [ i for i in df.columns]
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targ = xcols.pop()
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# print(xcols)
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X = df.loc[:,xcols ].values
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print(X.shape)
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Y = df.loc[:,targ].values
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print(Y.shape)
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X = StandardScaler().fit_transform(X)
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print(X)
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pca = PCA(n_components=50)
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pcaofX = pca.fit_transform(X)
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print("shapeofX after pca",pcaofX.shape, ", cum Sum of variance ratio",pca.explained_variance_ratio_.cumsum()[-1])
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# pcaofX = X
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X_train, X_test, Y_train, Y_test = train_test_split(pcaofX, Y, test_size=0.3,random_state=109)
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print(X_train.shape)
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classifier = svm.SVC(kernel="linear")
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classifier.fit(X_train,Y_train)
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pred = classifier.predict(X_test)
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print("Accuracy:",metrics.accuracy_score(Y_test, pred)) |