Data
RANDOM Numbers
74 8 38 100 75 63 37 53 95 51 56 62 31 54 28 96 72 31 23 17 58 100 15 7 48 9 20 26 62 69 31 31 81 88 77 78 80 9 91 98 93 93 90 33 40 60 80 66 26 97 69 90 24 3 85 100 4 72 8 24 28 16 40 80 56 7 94 20 42 42 13 44 73 24 29 69 78 83 17 24
How do you measure the Quality of a Generated Random Number?
rand() on windows
random data from weather noise
Exploratory Data Analysis
| Shot # | x | (x-mean)^2 |
|---|---|---|
ClickStream Data: Streaming Service
1.5 million events per second during peak hours
- Acquisition
- Activation
- Retention
- Referral
- Revenue
- Resurrection
Testing Vectors for Growth on the Web
- Viral Growth Coefficient
- Churn Rate
- Session Time
- Monthly Active Users
- Minutes on Site
Metrics
A / B TESTING
| Task | Impact | Confidence | Ease | Score |
|---|---|---|---|---|
| Keyboard Shortcuts in Cataloging Screen | 2/5 | 5/5 | 2/5 | 10/15 |
| Result Impact | Comments | Status |
|---|---|---|
| 2.25/5 | Cataloging Time Decreased by 15% | Success |
Tableau
https://www.youtube.com/watch?v=Ect56804xfA
Other Kinds of Data
HASH
100K+ Hashes / Song
Shazam
- Device Records Audio
- Device Computes Hashes
- Device Sends Hashes to Server
- Server lists songs by number of Hashes Matched and returns the top one e.g. 90% Match
- Shazam knows your song