What data types you analyzed/mined in the past 12 months? [183 votes] % users in 2012
 % users in 2011
| |
| table data (fixed n. columns) (133) |
72.7% 69.4% |
| time series (81) |
44.3% 41.7% |
| text, free-form (71) |
38.8% 25.7% |
| itemsets / transactions (60) |
32.8% 32.5% |
| anonymized data (44) |
24.0% 21.8% |
| location/geo/mobile data (34) |
18.6% 19.4% |
| social network data (33) |
18.0% 12.6% |
| web content (23) |
12.6% 10.2% |
| email (20) |
10.9% 10.7% |
| web clickstream (17) |
9.3% 8.7% |
| XML data (17) |
9.3% 4.9% |
| JSON data (16) |
8.7% NA (not asked in 2011) |
| other (15) |
8.2% 14.1% |
| images / video (11) |
6.0% 6.8% |
| music / audio (2) |
1.1% 3.4% |
Comments
Comparing with 2011 KDnuggets Poll: What languages you used for data mining / data analysis?, the data types with the highest growth were
- XML data, 91% up, from 4.9% in 2011 to 9.3% in 2012
- text (free-form), 51% up, from 25.7% in 2011 to 38.8% in 2012
- social network data, 43% up, from 12.6% in 2011 to 18.0% in 2012
JSON, new data type in 2012, got 8.7%.
The data types with the declining popularity were
- music / audio 67.8% down, from 3.4% in 2011 to 1.1% in 2012
- other 41.8%, down, from 14.1% in 2011 to 8.2% in 2012
- images / video, 11.6% down, from 6.8% in 2011 to 6.0% in 2012
Regional participation was
- US/Canada, 52.5%
- Europe, 27.9%
- Asia, 10.4%
- Latin America, 4.4%
- Africa/Middle East, 3.8%
- Australia/NZ, 1.1%