A Data Science Central Community
In order to use Big Data effectively, a holistic approach is required. Organizations are now using data analytics at every level, and roles that previously would have had no need to concern themselves with data are now required to have some degree of understanding in order to leverage insights.
Ensuring that data is…Continue
Added by Sam Button on September 30, 2015 at 9:03am — No Comments
Data is becoming more and more important in today’s business environment. It can be related and linked to products, sales, customers, significant events and many other categories to provide a rich, objective view of a business’ performance. Data however is often maintained in individual silos and databases yielding separate and inconsistent versions of the truth. Most…Continue
Added by Zygimantas Jacikevicius on September 29, 2015 at 10:41am — No Comments
It was Confucius who said, “If you shoot for the stars and hit the moon, it’s OK. But you’ve got to shoot for something.”
Although the Chinese philosopher wasn’t referring to organic Google results in 500 BC’s China, today’s online businesses would argue that “shooting for the stars” is the equivalent of aiming to land at the top of the search engine results page (SERP).
Google, much like the universe itself, is endlessly expanding and constantly changing. According to …Continue
Added by Efrat Ravid on September 28, 2015 at 8:12pm — No Comments
Technology is often created to improve our life, making it easier and better, but sometimes the progresses affect our world, this is why telecom department is getting greener and greener replacing old school copper wired with fiber optic technologies.
Fiber optic offers a lot of advantages over copper cables, from faster Internet connection to the fact that fiber networks don’t need to be changed once installed because companies upgrade them by changing the technology that creates the…Continue
Added by Luis Cardenas on September 28, 2015 at 3:27pm — No Comments
Nowadays we can’t live without wireless Internet. We use our mobile phones, tablets or laptops with integrated wireless cards to communicate with others and search information. We spend our days connected to the Internet through hundreds of apps, websites and services, thus using an incredible amount of data.
Wireless data use has grown and is going to keep growing due to demand for mobile Internet connection. “In 2009, approximately 191 billion megabytes (Mb) traveled across U.S.…Continue
Added by Luis Cardenas on September 28, 2015 at 3:03pm — No Comments
Will a red call to action result in a higher conversion rate than a green one? One of the most controversial topics in web design is the issue of color. This subject attracts a great deal of attention, based on the notion that the color of an object can affect the way we feel about that object.
Color is shown to be a signiﬁcant…Continue
Added by Efrat Ravid on September 22, 2015 at 1:53pm — No Comments
Dear R programmers,
In this May (2015), our favorite "R" almost came to 12th position in the popular TIOBE Programming Community Index (TIOBE Index), however, it is experienced some volatility after that and couldn't move further to top 10. Currently, it holds 19th rank (for this month); wishing it retains its position in top 20 through the rest of the months of the year and hope to move…Continue
This blog talks about:
1. How to create a decision tree for the admission data.
2. Use rattle to plot the tree.
3. Validation of decision tree using the ‘Complexity Parameter’ and cross validated error.
4. Prune the tree on the basis of these parameters to create an optimal decision tree.
To understand what are decision trees and what is the statistical mechanism behind them, you can read this post : …Continue
Added by Durgesh Kaushik on September 15, 2015 at 3:30am — No Comments
Uplift modeling, also known as incremental modeling, true lift modeling, or net-lift modeling is a predictive modeling technique that directly models the incremental impact of a treatment (such as a direct marketing action) on an individual’s behavior. Uplift modeling has…Continue