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WhatGives Making Loans that Change Lives More Successful Saba Zuberi
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Page 1: Kiva5

WhatGivesMaking Loans that Change Lives More Successful

Saba Zuberi

Page 2: Kiva5

!

Platform to crowd-source microfinance loans for underserved groups around the world

Page 3: Kiva5
Page 4: Kiva5

Microfinance"Institution

Page 5: Kiva5

Microfinance"Institution

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Microfinance"Institution

Funds received ONLY if loan is fully funded in 30 days

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WhatGivesTool for the Microfinance Institutions:

PREDICTION: Probability a loan will be funded on Kiva

ACTION: Tailor terms of loan to maximize funding success

!

*A product that Kiva is building internally

Page 8: Kiva5

Collect 27000 loans Kiva API

2012-2013

Clean data and Select Features."!• 352 possible features -

categorical and continuous.

• Avoid bias and overfitting.

26 features: loan terms, borrower information, posting data

Implement Random Forest Algorithm

Page 9: Kiva5

Collect 27000 loans Kiva API

2012-2013

Clean data and Select Features"!• 352 possible features -

categorical and continuous

• Avoid bias and overfitting

26 features: loan terms, borrower information, posting data

Implement Random Forest Algorithm

Obtain 86% success rate on test data.F1 score = 0.84

Page 10: Kiva5

Explore

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Loan Amount Repayment Term Posted Month Gender

Top FeaturesRich data set with lots of structure

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Explore

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Loan Amount Repayment Term Posted Month Gender

Top FeaturesRich data set with lots of structure

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0.25

0.5

0.75

1

Month

Jan

Feb

Mar

Apr

May

Jun Ju

lAug

Sep Oc

tNov

Dec

Monthly Funding Probability

Holiday Giving Drive

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anti�kT pruning

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Cambridge�Aachen pruning

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kT pruning

Clustering Algorithms

Saba Zuberi, Physics PhD

Page 13: Kiva5