The previous KDnuggets Poll asked What Data types you analyzed/mined in the past 12 months?
Based on over 200 voters, the top 3 data types were the same as in 2010.
- table data, 69.4%
- time series, 41.7%
- itemsets / transactions, 32.5%
the data types that most increased in popularity by share of respondents were
- location/geo/mobile data: 19.4% share in 2011 (not asked in 2010)
- music / audio: up 63%
- time series: up 7%
Data types that most decreased in popularity were
- XML data: down 59%
- social network data: down 35% (surprisingly)
- web content: down 23%