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data driven development
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elise_huard
May 02, 2012
Programming
5
250
data driven development
as given at Scandinavian Developer's Conference 2012
elise_huard
May 02, 2012
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Transcript
data driven development Elise Huard - Scandinavian Developer’s Conference 2012
Tuesday, 17 April 12
data driven development Elise Huard - Scandinavian Developer’s Conference 2012
Tuesday, 17 April 12
Data Tuesday, 17 April 12
Developers Tuesday, 17 April 12
Code metrics Tuesday, 17 April 12
Tuesday, 17 April 12
Logs Tuesday, 17 April 12
Logs = streams syslog Graphite Tuesday, 17 April 12
Monitoring + Notifications Tuesday, 17 April 12
Tuesday, 17 April 12
A/B testing, multivariate testing Tuesday, 17 April 12
Tuesday, 17 April 12
Tuesday, 17 April 12
Tuesday, 17 April 12
Tuesday, 17 April 12
Business Data Tuesday, 17 April 12
diagnostics trends, patterns and predictions opportunities Tuesday, 17 April 12
diagnostics trends, patterns and predictions opportunities Tuesday, 17 April 12
R Tuesday, 17 April 12
“The best thing about R is that it was developed
by statisticians. The worst thing about R is that (...) it was developed by statisticians.” Bo Cowgill (Google Inc.) Tuesday, 17 April 12
Tuesday, 17 April 12
Data Cleaning Exploration Confirmation Interpretation Tuesday, 17 April 12
Data cleaning Tuesday, 17 April 12
format remove corrupted data (carefully remove outliers) Tuesday, 17 April
12
Exploration Tuesday, 17 April 12
> summary(mammals, digits=8) Name Body.Weight Brain.Weight Red Fox :1 Min.
: 3.0 Min. : 26.0000 Pig :1 1st Qu.: 35.5 1st Qu.: 138.5000 Man :1 Median : 100.0 Median : 406.0000 Kangaroo:1 Mean : 761.2 Mean :1000.4667 Jaguar :1 3rd Qu.: 493.0 3rd Qu.: 667.5000 Horse :1 Max. :6654.0 Max. :5712.0000 (Other) :9 Tuesday, 17 April 12
Tuesday, 17 April 12
http://www.informationisbeautiful.net/visualizations/the-billion-pound-o-gram/ Tuesday, 17 April 12
Tuesday, 17 April 12
Confirmation Tuesday, 17 April 12
Interpretation Tuesday, 17 April 12
http://radar.oreilly.com/2012/03/subject-matter-experts-data-stories-analysis.html Tuesday, 17 April 12
A few examples Tuesday, 17 April 12
Timeseries Tuesday, 17 April 12
Tuesday, 17 April 12
Tuesday, 17 April 12
Recommendation engines Tuesday, 17 April 12
http://www.techdirt.com/blog/innovation/articles/20120409/03412518422/why-netflix-never-implemented-algorithm-that-won-netflix-1-million-challenge.shtml Tuesday, 17 April 12
Regression: Tuesday, 17 April 12
> coef(fitted.regression) (Intercept) Height -350.737192 7.717288 Tuesday, 17 April 12
Classification: Text mining Tuesday, 17 April 12
Tuesday, 17 April 12
Tuesday, 17 April 12
Clustering: Social graph Tuesday, 17 April 12
Clustering: Social graph Tuesday, 17 April 12
Tuesday, 17 April 12
Public data sets Tuesday, 17 April 12
Tuesday, 17 April 12
Tuesday, 17 April 12
Startups Tuesday, 17 April 12
Tuesday, 17 April 12
Tuesday, 17 April 12
Thank you Elise Huard http://jabberwocky.eu @elise_huard Tuesday, 17 April 12