0
我有看起來像這樣的結構化數據。使我的數據適合Keras Sequential模型和密集層併產生輸出
faults.head()
Fault DEALER FAILMODE FAILCODEMODE DAYS UNTIL FAILURE TERRITORY CODE DESIGN PHASE CODE PLANT ID CODE
0 CAMPAIGN/TRP 31057 CAMPAIGN BNRBC1 283.0 102 62 82
1 INTERMITTENT PROBL 24126 SPECIAL (NO FAILURE) XXIPNF 126.0 102 62 82
2 DSID #DSBCG2058 TAG #362783 EXHAUST SYSTEM. U... 0 CLOGGED, PLUGGED WITH FOREIGN MATERIAL, DIRT/D... USDVDR 118.0 102 62 82
3 INTERMITTENT PROBL 20943 SPECIAL (NO FAILURE) XXIPNF 97.0 102 62 82
4 CAMPAIGN 19134 CAMPAIGN USSCR1 315.0 102 62 82
我試圖預測類FAILMODE。 FAILMODE中只有122個唯一值。那些是我的課程。
基於行中的所有其他數據,我想要一個單獨的矩陣,或者甚至類本身都是我測試集上計算的結果。這裏是我的代碼,所以遠
from keras.models import Sequential
from keras.layers import Dense
Using Theano backend.
faults_testing = faults[:14843]
faults_training = faults[14844:]
model = Sequential()
model.add(Dense(len(faults.FAILMODE.unique()) + 20, input_dim=len(faults_training), init='uniform', activation='relu'))
model.add(Dense(len(faults_training), init='uniform', activation='relu'))
model.add(Dense(len(faults.FAILMODE.unique()), init='uniform', activation='sigmoid'))
model.compile(loss='binary_crossentropy', optimizer='adam', metrics=['accuracy'])
這裏是哪裏,我不知道什麼是X或Y是這樣的教程says-
model.fit(X, Y, nb_epoch=len(faults_training), batch_size=10)
我只是嘗試以下各項
model.fit(faults_training['FAILMODE'], faults_testing['FAILMODE'], nb_epoch=len(faults_training), batch_size=10)
導致出現此錯誤 -
ValueError Traceback (most recent call last)
<ipython-input-54-e8765933cfb9> in <module>()
----> 1 model.fit(faults_training['FAILMODE'], faults_testing['FAILMODE'], nb_epoch=len(faults_training), batch_size=10)
ValueError: Error when checking model input: expected dense_input_1 to have shape (None, 34631) but got array with shape (34631L, 1L)
Ple你的答案要徹底。謝謝!
我試着說你的話,這似乎是正確的方法,但現在我得到了'ValueError:發現輸入變量的樣本數不一致:[49475,6035950]''當我做'train_test_split(X ,Y,test_size = 0.33'。當我做'Y = to_categorical(Y)'時,'len(Y)'現在是6035950,當它應該是49745之前分裂。我究竟做錯了什麼? – NickTheInventor
您可以向我們展示您用於將數據框轉換爲X和Y的代碼嗎? –