Poll Results: Data types analyzed/mined in the past 12 months

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

Here are the full results:

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%