{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

logisticRegression_4perPage

# logisticRegression_4perPage - Outline Logistic Regression 1...

This preview shows pages 1–4. Sign up to view the full content.

Logistic Regression Data Mining Prof. Dawn Woodard School of ORIE Cornell University 1 Outline 1 Announcements 2 Logistic Regression 2 Announcements Questions? 4 Logistic Regression In logistic regression, we model Pr ( Y = 1 | X = x ) as a function of β 0 + β 1 x . Compare this to naive Bayes 6

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Logistic Regression In logistic regression, we model Pr ( Y = 1 | X = x ) directly In naive Bayes, we model Pr ( Y = 1 ) , and the conditional distribution of X given Y To predict, we use Bayes’ theorem to calculate Pr ( Y = 1 | X = x ) 7 Challenger Disaster 1/28/86: Space shuttle Challenger explodes after launch kills the 7 crew members Attributed to the failure of O-rings on the shuttle Temperature was 31 degrees Previous low temp. for launch: 53 deg. 8 Challenger Disaster Locations of field joints: 9 Challenger Disaster 6 field joints; each has 2 O-rings O-rings sensitive to temperature Let Y = 1 indicate failure of field joint Y = 0: field joint OK 10
Challenger Disaster 11 Challenger Disaster This data set shows the #

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 8

logisticRegression_4perPage - Outline Logistic Regression 1...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online