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What data types you analyzed/mined in the past 12 months?


 
  

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%

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