webrtc std min精品文章

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  深入理解WebRTC

  Web Real-Time Communication（Web實時通信，WebRTC）由一組標準、協(xié)議和JavaScript API組成，用于實現(xiàn)瀏覽器之間（端到端）的音頻、視頻及數(shù)據(jù)共享。 WebRTC使得實時通信變成一種標準功能，任何Web應用都無需借助第三方插件和專有軟...

  sumory 2019-08-21 16:49 評論0 收藏0
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  XGboost數(shù)據(jù)比賽實戰(zhàn)之調(diào)參篇(完整流程)

  ...(trainFilePath) X_train, y_train = featureSet(data) X_test = loadTestData(testFilePath) cv_params = {n_estimators: [400, 500, 600, 700, 800]} other_params = {learning_rate: 0.1, n_...

  cppprimer 2019-08-16 11:10 評論0 收藏0
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  XGboost數(shù)據(jù)比賽實戰(zhàn)之調(diào)參篇(完整流程)

  ...(trainFilePath) X_train, y_train = featureSet(data) X_test = loadTestData(testFilePath) cv_params = {n_estimators: [400, 500, 600, 700, 800]} other_params = {learning_rate: 0.1, n_...

  draveness 2019-08-02 10:02 評論0 收藏0
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  XGboost數(shù)據(jù)比賽實戰(zhàn)之調(diào)參篇(完整流程)

  ...(trainFilePath) X_train, y_train = featureSet(data) X_test = loadTestData(testFilePath) cv_params = {n_estimators: [400, 500, 600, 700, 800]} other_params = {learning_rate: 0.1, n_...

  wuaiqiu 2019-07-31 11:07 評論0 收藏0
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  XGboost數(shù)據(jù)比賽實戰(zhàn)之調(diào)參篇(完整流程)

  ...(trainFilePath) X_train, y_train = featureSet(data) X_test = loadTestData(testFilePath) cv_params = {n_estimators: [400, 500, 600, 700, 800]} other_params = {learning_rate: 0.1, n_...

  isLishude 2019-06-28 18:38 評論0 收藏0
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  Python 學習筆記之——用 sklearn 對數(shù)據(jù)進行預處理

  ...的標準正態(tài)分布。也即針對一個均值為 $mean$ 標準差為 $std$ 的向量 $X$ 中的每個值 $x$，有 $x_{scaled} = frac{x - mean}{std}$。 >>> from sklearn import preprocessing >>> import numpy as np >>> X_train = np.array([[ 1., -1., 2.], .....

  xiaodao 2019-07-30 18:34 評論0 收藏0
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  機器學習之數(shù)據(jù)歸一化

  ...e=float) 對于第一列數(shù)據(jù)，$x_{mean}$ = np.mean(X2[:, 0])，$s$ = np.std(X2[:, 0])： X2[:, 0] = (X2[:, 0] - np.mean(X2[:, 0])) / np.std(X2[:, 0]) 第二列數(shù)據(jù)同理： X2[:, 1] = (X2[:, 1] - np.mean(X2[:, 1])) / np.std(X2[:...

  W4n9Hu1 2019-07-31 11:15 評論0 收藏0
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  使用機器學習識別出拍賣場中作弊的機器人用戶(二)

  ... phone0 9759243157894736 us 69.166.231.58 vasstdc27m7nks3 1 1 668d393e858e8126275433046bbd35c6tywop aeqok furniture phone1 97...

  YanceyOfficial 2019-07-25 11:45 評論0 收藏0