?? data40.txt

?? 數(shù)據(jù)挖掘算法在零售業(yè)的應(yīng)用--畢業(yè)設(shè)計(jì)類
?? TXT
字號(hào):
1
2
0
0
0
0
7
8
0
10
0
12
0
14
0
2
0
0
5
0
7
8
9
10
11
12
13
0
1
2
3
0
0
6
7
8
0
0
11
12
0
0
1
2
0
4
0
6
7
8
0
10
11
12
13
14
0
0
0
0
0
0
0
8
0
0
0
0
0
0
1
2
0
0
0
6
0
0
0
0
0
12
0
0
1
2
3
0
0
6
7
8
0
10
11
12
13
0
1
2
0
0
0
0
0
0
0
10
11
12
0
0
1
0
0
4
0
0
0
0
0
0
0
12
0
0
0
0
0
0
0
6
0
0
0
0
0
0
13
14
1
2
0
4
5
6
7
0
9
0
0
12
13
14
0
0
0
0
0
6
0
0
0
0
0
12
13
0
1
2
3
0
0
6
7
8
0
10
11
12
13
14
1
2
0
4
5
6
7
8
9
10
11
12
13
14
1
2
0
4
5
0
0
0
0
0
0
12
0
14
1
0
3
4
0
6
7
8
9
0
0
12
0
0
0
0
0
0
0
6
7
8
0
0
0
0
0
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
0
0
0
4
5
0
0
8
0
10
11
12
13
0
1
0
0
4
5
6
0
8
9
0
11
12
13
14
1
2
3
0
5
0
7
8
0
0
0
12
13
0
1
2
3
4
5
6
7
8
9
10
11
12
13
0
1
2
3
0
5
6
7
8
0
10
11
12
13
14
0
2
0
4
0
0
7
8
9
0
0
12
13
0
1
2
3
4
0
6
7
8
0
10
11
12
13
14
0
0
0
0
0
0
7
8
0
10
0
0
0
0
0
0
0
0
5
6
7
0
0
10
0
0
0
14
0
2
0
0
5
0
7
0
9
10
0
12
0
0
1
2
3
0
5
6
7
8
9
10
11
12
13
14
1
0
0
0
0
0
0
8
9
0
11
12
13
14
1
0
0
4
0
0
0
0
0
10
0
0
0
0
1
0
3
4
0
6
7
8
0
10
11
12
13
14
1
2
3
0
0
0
7
8
0
10
11
12
13
14
0
0
0
4
5
0
7
0
0
10
0
12
13
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
0
0
6
7
8
9
10
11
12
13
14
0
2
0
0
5
6
7
8
9
10
11
12
13
14
0
2
3
0
5
6
0
8
9
0
11
12
13
14
0
0
0
4
0
0
7
0
9
10
0
12
0
0
1
0
3
0
0
0
7
8
9
10
11
12
0
14
1
2
3
4
5
6
0
8
0
10
11
12
13
14
1
0
0
4
0
0
0
0
0
0
0
0
0
0
0
2
0
4
0
6
7
8
0
0
11
12
0
14
0
2
0
0
0
0
7
8
0
10
0
12
0
0
0
0
0
4
0
6
0
0
0
0
0
12
0
0
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
3
4
5
0
0
0
9
0
11
0
0
14
0
2
3
0
0
6
7
8
9
10
11
12
13
14
1
2
3
4
0
0
7
8
0
10
11
12
0
14
1
2
3
4
0
6
0
0
9
10
11
12
13
14
1
2
3
4
0
0
0
8
0
10
11
12
0
0
1
2
0
4
5
6
7
8
0
10
11
12
13
14
1
0
3
4
0
0
7
8
0
0
0
12
0
0
0
0
0
0
5
0
7
8
0
10
11
12
0
14
1
0
3
4
0
6
0
8
0
10
11
12
0
0
0
2
3
0
0
0
7
8
0
0
11
0
0
14
0
2
3
0
5
0
0
8
0
0
11
12
0
14
1
2
0
0
5
0
7
8
0
0
11
12
13
14
0
0
0
0
0
0
0
8
9
10
11
12
0
0
0
0
0
4
0
0
7
0
0
0
0
0
0
0
0
0
0
4
0
0
0
0
0
0
0
12
0
14
1
0
3
4
0
6
0
0
0
0
0
12
0
0
0
2
3
0
5
0
0
8
9
0
0
12
0
14
1
2
3
0
5
0
7
0
9
10
11
12
13
14
0
2
0
0
0
0
0
0
0
0
11
0
0
14
1
2
0
0
5
6
7
8
0
0
11
12
13
14
0
2
0
0
5
0
0
0
9
10
11
12
0
0
0
0
0
4
0
6
7
0
0
0
0
12
0
14
0
0
0
0
5
6
7
8
9
10
11
12
0
14
0
2
0
4
5
6
0
8
0
10
11
12
13
14
0
0
0
0
0
0
0
0
9
0
0
0
0
0
0
0
0
0
0
6
0
0
0
0
0
0
0
0
1
2
0
0
5
6
7
0
9
0
0
0
0
0
0
2
0
0
0
0
7
8
9
10
0
0
0
0
0
0
3
0
5
6
7
8
9
10
0
0
13
0
1
2
3
0
0
0
7
8
9
0
0
0
0
0
1
2
3
4
0
6
0
8
0
0
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
0
5
6
7
8
0
10
11
12
13
14
1
2
0
0
5
6
7
8
9
0
11
0
0
0
0
0
0
0
0
0
0
0
0
10
11
0
0
0
0
2
0
0
0
0
0
8
0
0
0
0
0
0
1
2
0
0
5
0
7
8
9
0
11
12
13
0
1
0
3
0
0
0
7
8
0
0
0
0
13
0
0
2
3
4
0
0
7
8
0
0
0
0
0
0
0
0
3
0
0
0
7
8
0
0
0
0
0
0
0
2
3
4
5
0
7
8
0
10
11
0
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14
0
0
0
4
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0
0
0
0
10
11
0
0
0
1
2
0
0
5
0
7
8
0
10
11
0
13
14
1
0
0
0
0
6
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
8
9
0
11
0
0
0
0
2
3
4
5
6
0
8
9
10
11
12
13
14
0
0
0
0
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0
0
0
9
0
11
12
13
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6
7
8
0
0
11
12
13
0
0
2
0
4
5
0
0
0
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0
11
12
13
14
0
2
0
0
5
6
0
0
0
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11
0
0
0
0
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4
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6
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0
0
0
0
0
0
0
0
2
3
0
5
6
7
8
9
10
11
12
13
14
0
0
0
4
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0
0
0
0
0
0
0
13
0
1
2
3
0
5
6
7
8
9
10
11
12
13
14
1
2
0
0
5
0
0
8
0
10
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14
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2
3
0
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9
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2
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11
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8
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10
11
12
13
14
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2
3
4
5
6
7
8
9
10
11
12
13
0
0
2
3
4
5
0
7
8
0
10
11
12
13
14
0
0
3
4
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8
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0
0
0
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3
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6
7
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2
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12
13
14
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2
3
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0
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11
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4
5
6
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13
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12
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4
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6
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14
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2
3
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0
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0
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10
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0
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14
0
0
0
0
5
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0
8
0
10
11
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0
14
0
0
0
0
0
0
0
8
9
0
0
12
13
14
1
0
0
4
0
0
0
8
0
0
0
0
0
0
0
2
0
4
5
0
7
0
0
0
0
0
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0
0
0
0
0
0
0
7
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0
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2
3
4
5
6
0
0
0
0
11
12
13
0
0
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3
4
0
0
7
8
9
10
11
0
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14
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10
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10
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1
2
0
4
5
6
7
8
9
0
11
12
13
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1
2
3
0
5
6
0
8
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10
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13
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2
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4
5
0
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0
10
11
12
13
14
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2
3
4
5
0
7
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0
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11
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13
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0
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4
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3
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5
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14
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4
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14
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0
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4
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7
0
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13
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6
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11
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14
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0
3
4
5
6
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0
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10
11
12
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14
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2
3
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5
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11
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2
3
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6
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0
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0
1
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3
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5
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14
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4
5
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8
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11
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3
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0
7
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11
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4
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0
7
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11
12
13
14
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0
3
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5
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11
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14
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