from?sklearn.datasets?import?load_iris
import?numpy?as?np
from?sklearn.model_selection?import?train_test_split

dataset?=?load_iris（）
X?=?dataset.data
y?=?dataset.target
n_samplen_features?=?X.shape
at_means?=?X.mean（axis=0）
assert?at_means.shape?==?（n_features）
X_d?=?np.array（X?>=?at_means?dtype=‘int‘）

random_state?=?15
X_train?X_test?y_train?y_test?=?train_test_split（X_d?yrandom_state=random_state）
print（y_train）
print（y_test）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-09-10?20:59??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\
?????文件????????6148??2018-09-10?20:58??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\.DS_Store
?????目錄???????????0??2018-09-10?20:59??__MACOSX\
?????目錄???????????0??2018-09-10?20:59??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\
?????文件?????????120??2018-09-10?20:58??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\._.DS_Store
?????文件????14820938??2018-09-07?19:59??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Python鏁版嵁鎸栨帢鍏ラ棬涓庡疄璺?pdf
?????文件?????????233??2018-09-07?19:59??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\._Python鏁版嵁鎸栨帢鍏ラ棬涓庡疄璺?pdf
?????目錄???????????0??2018-09-10?20:58??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\
?????文件????????8196??2018-09-10?20:58??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\.DS_Store
?????目錄???????????0??2018-09-10?20:59??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\
?????文件?????????120??2018-09-10?20:58??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\._.DS_Store
?????目錄???????????0??2018-09-10?20:58??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?7\
?????文件??????494445??2015-01-19?05:37??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?7\ch7_collect_twitter_data.ipynb
?????目錄???????????0??2018-09-10?20:59??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?7\
?????文件?????????223??2015-01-19?05:37??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?7\._ch7_collect_twitter_data.ipynb
?????文件??????557252??2015-06-03?12:26??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?7\ch7_part2_twitter.ipynb
?????文件?????????223??2015-06-03?12:26??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?7\._ch7_part2_twitter.ipynb
?????文件????12043803??2015-06-28?15:52??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?7\CH7?From?Load.ipynb
?????文件?????????223??2015-06-28?15:52??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?7\._CH7?From?Load.ipynb
?????文件?????????187??2018-09-10?20:58??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\._Chapter?7
?????目錄???????????0??2018-09-10?20:58??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?9\
?????文件????????3658??2015-06-09?10:36??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?9\getdata.py
?????目錄???????????0??2018-09-10?20:59??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?9\
?????文件?????????223??2015-06-09?10:36??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?9\._getdata.py
?????目錄???????????0??2016-10-23?00:11??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?9\.ipynb_checkpoints\
?????文件???????19767??2015-06-28?16:11??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?9\.ipynb_checkpoints\Chapter?9?Authorship?Analysis-checkpoint.ipynb
?????目錄???????????0??2018-09-10?20:59??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?9\.ipynb_checkpoints\
?????文件?????????223??2015-06-28?16:11??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?9\.ipynb_checkpoints\._Chapter?9?Authorship?Analysis-checkpoint.ipynb
?????文件?????????187??2016-10-23?00:11??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?9\._.ipynb_checkpoints
?????文件??????897166??2015-06-28?16:19??python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?9\Chapter?9?Authorship?Analysis.ipynb
?????文件?????????223??2015-06-28?16:19??__MACOSX\python?鏁版嵁鎸栨帢鍏ラ棬涓庡疄鎴?pdf+浠ｇ爜\Code_REWRITE\Chapter?9\._Chapter?9?Authorship?Analysis.ipynb
............此處省略140個文件信息