#?-*-?coding:?utf-8?-*-
import?os
import?numpy?as?np

def?img2vector（filename?label）:?#圖像數(shù)據(jù)轉(zhuǎn)為向量
????f?=?open（filename‘r‘）
????row_data?=?f.read（）
????row_data?=?row_data.replace（‘\n‘‘‘）??#換行符轉(zhuǎn)為空格
????row_data?=?row_data?+?label
????row_data?=?np.array（map（int?list（row_data）））??#將string轉(zhuǎn)為np.array
????return?row_data

#k緊鄰（KNN）分類算法
def?classify0（rowX?dataSet?k）:?
????‘‘‘
????rowX是待分類的向量?dataSet是標(biāo)記好的訓(xùn)練集?k表示選擇最近鄰居的數(shù)目
????‘‘‘
????#距離計算：絕對值距離
????dataSetSize?=?dataSet.shape[0]
????#print?dataSetSize
????rowMat?=?np.zeros（（dataSetSize?1025）?np.int）
????for?i?in?range（dataSetSize）:
????????rowMat[i]?=?rowX
????diffMat?=?rowMat?-?dataSet
????label0?=?dataSet[:1024]?????????#取出訓(xùn)練集label
????diffMat2?=?diffMat[:0:1024]????#差分矩陣去除label列
????diffMat3?=?diffMat2**2??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2691??2016-12-23?19:48??digits\main.py

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_0.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_1.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_10.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_11.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_12.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_13.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_14.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_15.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_16.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_17.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_18.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_19.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_2.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_20.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_21.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_22.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_23.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_24.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_25.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_26.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_27.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_28.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_29.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_3.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_30.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_31.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_32.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_33.txt

?????文件???????1088??2010-10-07?21:35??digits\testDigits\0_34.txt

............此處省略2857個文件信息