Paulo Canas Rodrigues of the Centre for Applied Statistics and Data Analytics, University of Tampere, Finland who also taught in the Department of Statistics, Federal University of Bahia, Brazil gave a general lecture to students of Mathematics Study Program, FMS YSU, Friday, 11/11. On the occasion, Paulo delivered material on The Role of Statistics in Big Data.

Paulo explained, statistics is already widely used in many business fields such as economics, computer science, and marketing. For physics, it is widely used in astronomy, chemistry, and physics. Additionally, it is widely used in the field of agriculture, ecology, forestry. While for health and treatment, it is used in the fields such as genetics, clinical trials, etc.

"Big data applications, for the field of technologies, is already in use by companies such as by eBay.com, amazon.com, Facebook and Google. To be able to handle 50 billion Facebook photo of the user base. As for Google in August 2012, it has handled about 100 billion searches per month, "explained by the professor born in Portugal.

In the private sector, Walmart handles more than 1 million customer transactions every hour, which is imported into the database is estimated to contain more than 2.5 petabytes (2,560 terabytes) of data equivalent to 167 times the information contained in all the books in the US Library of Congress.

"According to estimates, the volume of business data throughout the world, in all companies, doubling every 1.2 years", he said.

Furthermore, Paulo said that Big Data applications for social networks, google processors perform search queries on average more than 40 000 searches per second, which translates into more than 3.5 billion searches per day. As for Facebook, every minute there are 3,125,000 people who press “like” on Facebook and 243055 new photos uploaded on Facebook, which is equivalent to 4.5 billion people like new and 350 million photos are uploaded every day. There are 17 billion location tags Facebook, 4.75 billion items shared by Facebook users, and 10 billion messages sent every day. (witono)