R has been steadily growing in popularity among data miners and analytic professionals.
In
KDnuggets 2010 Data Mining / Analytic Tools Poll, R was used by 30% of respondents.
In
2010 Rexer Analytics Data Miner Survey
R was the most popular tool, used by 43% of the data miners.
Another aspect of tool usefulness is how much does it help with the entire data mining process from data preparation and cleaning, modeling, evaluation, visualization and presentation (excluding deployment).
This poll is now closed - here are the results and many interesting comments for KDnuggets Poll:
What part of your analytics / data mining work in the past 12 months was done in R?