suicide prevention using social media analytics

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Jos Polfliet Specialist Data Sciences at SAS Institute - @JosPolfliet Data Innovation Summit March, 30 2017 #DIS2017 Suicide prevention using text analytics

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Jos PolflietSpecialist Data Sciences at SAS Institute - @JosPolfliet

Data Innovation SummitMarch, 30 2017

#DIS2017

Suicide prevention using text analytics

can someone with my number please text me because i have nobody to talk to and i just want to hut myself so badly and i’m scared

my own father told me I deserved being killed. I hate him

there's not one day I don’t think of killing myself

SourceStatistics Canada

Canadian Mental Health Association

1 out of 4 teenager deaths

2nd leading cause of death

1.1M tweets

Feelings: 106k ≈ 10%

Bullying: 11k ≈ 1%

Suicide: 382 ≈ 0.035% of tweets

39% correlation betweensuicide and bullying

Data Impact Challenge

Question 3

What proportion of Canadian youth (13-17) post about their mental health, and describe experiencing bullying or suicidal thoughts in the past 12 months on social

media?

Our submission

Won $10,000

donated to mental health charities

mind your mind and Rise Asset Development

Canada Health Infoway$95,000 in awards

Download Language Age Topic Analyze

Tweets in Canada during a specific time frame

Detect language Filter English

Build predictive model for AgeFilter teenagers

Detect topic• Aggression• Alcohol• Bullying• Family• Feelings• Relationships• …

Analyze relationships between topics

Contextual analysis of topics

Python crawler for Twitter API

SAS Text Analytics SAS Enterprise MinerSAS Text Analytics

SAS Text Analytics SAS Visual Analytics

How can we predict “At-Risk” social media users (for suicide and self-harm)?

Data Science Project Funnel

Idea Define Prove Decide Build Deploy

Data available?Does this make sense?Done before?Input variables?Target variable?

Expected value?Is performance as we expect?Data Quality?Offline evaluation

Potential value?Accuracy measures?How difficult?Feasibility?Data sources (internal/external)?

Time?Priority?Budget?Executive buy-in?Business process redesign?Architecture

Technical PerformanceChange mgmt.Resources

Actual value?Live Evaluation

WE ARE HERE

Use your textual data.

Call Center Notes Survey Feedback

Online Forums Blogs Consumer Reviews Online News Social Networks

Associate Comments Claims & Case NotesResearch & Publications

Live Chat Factory/Technician Notes HR data Medical/Health Records Contracts & Applications

If anybody knows Maggie, let me know! [I’m serious]

@JosPolfliet

Jos PolflietSpecialist Data Sciences at SAS Institute - @JosPolfliet

Data Innovation SummitMarch, 30 2017

#DIS2017

Suicide prevention using text analytics