|
Types of Data Analyzed/Mined in the past 12 months [144 voters] | |
| table data (fixed # of columns) (102) |  70.8% |
| time series (56) | 38.9% |
| itemsets / transactions (52) | 36.1% |
| text (free-form) (43) | 29.9% |
| anonymized data (38) | 26.4% |
| social network data (28) | 19.4% |
| other (22) | 15.3% |
| web content (19) | 13.2% |
| XML data (17) | 11.8% |
| web clickstream (15) | 10.4% |
| email (15) | 10.4% |
| images / video (11) | 7.6% |
| music / audio (3) | 2.1% |
Comparing with a similar 2009 KDnuggets Poll: Types of Data Analyzed/Mined in the past 12 months , we see that the top 3 data types are still
- table data
- time series
- itemsets / transactions
Ignoring Spatial data, which was accidentally excluded from the 2010 poll,
Data types with the highest increase in popularity
measured by (pct_usage2010 - pct_usage2009)/pct_usage2009 were
- other , up 61.3%
- social network data, up 53.9%
- anonymized data, up 39.3%
Largest decrease in popularity was for
- text free-form, down 21.2%
- images / video, down 39.5%
- music / audio , down 71.7%