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Psalms Farron
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Clustering, Classification, Association with WEKA
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Waikato environment for knowledge analysis (weka)
1.
Waikato Environment for
Knowledge Analysis (WEKA) CP463 B01 ARTIFICIAL INTELLIGENCE โดย นายสุขพล นันทะชัยพร 54102010374
2.
►Clustering
3.
Preprocess Relation Instances: 52 Attributes:
36 Clustering Algorithm SimpleKMeans
4.
Determining the number
of clusters 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 Squarederrors Number of Cluster Squared errors by Number of Clusters จำนวน Cluster ที่เหมำะสมในกำรแบ่งกลุ่ม คือ 16 เพรำะว่ำค่ำ Squared errors ในช่วงของจำนวน Cluster ที่เท่ำกับ 16 นั้น มีลักษณะลู่ลงมำกทำให้เกิด Knee Curve และสำมำรถแบ่งกลุ่มได้ เป็นจำนวนมำกที่สุด (16,40 )
5.
Model and Evaluation Clusters
Instances 0 17 (33%) 1 1 (2%) 2 4 (8%) 3 2 (4%) 4 2 (4%) 5 10 (19%) 6 3 (6%) 7 1 (2%) 8 1 (2%) 9 1 (2%) 10 4 (8%) 11 1 (2%) 12 1 (2%) 13 1 (2%) 14 1 (2%) 15 2 (4%)
6.
►Classification
7.
Preprocess Training set Instances:
44 Attributes: 38 Class: Gender (Female, Male) Test set Instances: 8 Attributes: 38 Classification Algorithm J48 with 10 Folds Cross-validation ZeroR for Arff generation
8.
Training Result Summary Correctly
Classified Instances 33 (75%) Incorrectly Classified Instances 11 (25%) Detailed Accuracy by Class TP Rate FP Rate Precision Recall F-Measure ROC Area Class 0.471 0.074 0.8 0.471 0.593 0.599 Male 0.926 0.529 0.735 0.926 0.82 0.599 Female Weighted Average 0.75 0.353 0.76 0.75 0.732 0.599
9.
Testing Result Gender PredictedGender Male
Male Male Female Female Female Male Male Female Female Female Female Male Female Female Female Accuracy 75%
10.
►Association
11.
Preprocess เมื่อได้ลองหำควำมสัมพันธ์ระหว่ำงสินค้ำที่ซื้อแล้ว พบว่ำไม่มีควำมสัมพันธ์ใดๆเกิดขึ้น เลย
จึงได้เปลี่ยนโจทย์ในกำรหำควำมสัมพันธ์เป็น เวลำ, สำขำ, เพศ Relation Instances: 52 Attribute: 4 Association Algorithm Apriori
12.
Apriori Result Best
10 rules: Association Rules Confidence Lift Branch=HappyLandSex=Female 1.00 1.68 Time=15.01-19.00 Branch=HappyLandSex=Female 1.00 1.68 Branch=HappyLandTime=15.01-19.00 Sex=Female 0.73 2.22 Time=11.01-15.00Branch=SWUPrasanmit 0.80 1.34 Branch=HappyLandTime=15.01-19.00 0.73 1.51 Branch=HappyLand Sex=FemaleTime=15.01- 19.00 0.73 1.51 Time=15.01-19.00 Sex=FemaleBranch=HappyLand 0.47 2.22 Sex=MaleBranch=SWUPrasanmit 0.71 1.20 Sex=FemaleBranch=HappyLand 0.35 1.68 Time=15.01-19.00Sex=Female 0.68 1.14
13.
►จบการนาเสนอ
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