Introduction to Data Science by Datalent Team @Data Science Clinic #9
Data Science Introduction
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Transcript of Data Science Introduction
Data Science Introduction
Gang Tao
What is Data Science
Data Science Flow
Statistics and Probability
Admit Gender Dept Freq
Admi.ed Male A 512
Rejected Male A 313
Admi.ed Female A 89
Rejected Female A 19
Admi.ed Male B 353
Rejected Male B 207
Admi.ed Female B 17
Rejected Female B 8
Admi.ed Male C 120
Rejected Male C 205
Admi.ed Female C 202
Rejected Female C 391
Admi.ed Male D 138
Rejected Male D 279
Admi.ed Female D 131
Rejected Female D 244
Admi.ed Male E 53
Rejected Male E 138
Admi.ed Female E 94
Rejected Female E 299
Admi.ed Male F 22
Rejected Male F 351
Admi.ed Female F 24
Rejected Female F 317
56%44%
acceptec rejected
65%
35%
Men
Women
Simpsons Paradox
45%
16%
18%11%
Machine Learning
Data Mining or Machine Learning
Key Tools
• Classification
• Regression
• Cluster
• Data Reduction
Classification and Regression
Cluster
Data Reduction
Process of ML
Understand Data
Data Scientist
What is Data Scientist
• Know which question to ask
• Understand the data
• Know how to interpret the data
• Works in a team
How to become a data scientist ?
Data is Tricky