A Data Science Central Community
Is data mining more about fitting data well? - Exercise Results
Today, I am going to share results of an exercise that I carried out recently for a start-up. Intention of the study was to extract those major attributes that are generally driving less/in experienced (or) re-skilled data miners towards the given objective and to understand where they are failing back. Herein, twist is majority of them have given same conclusion or explanation for the given…Continue
Added by Dr. Pradeep Mavuluri on October 31, 2014 at 11:28am — No Comments
I read two strangely similar articles last week. One was an article by Vincent Granville, entitled "The 8 worst predictive modeling techniques". The other was an article on Forbes entitled "America's 10 Best-Paying Jobs".
What on Earth do these two articles have in common (other than both being lists)?
A brief flick through the Forbes article reveals that it…Continue
It's not the size of your data that's important, it's how you use it.
In this video presentation Kurien Jacobs, CRO, Highgate Hotels, shares case study examples to show how travel brands can use data to make informed marketing & RM decisions.
His advice includes:
• Be proactive: How to use data to make future predictions and capitalize on market & consumer trends
• Don't just rely on your own…
Added by Julia Heighton on October 28, 2014 at 10:54am — No Comments
Updated today. Machine learning, Python, Data Science resources, and external articles from thought leaders.
Added by Vincent Granville on October 24, 2014 at 1:30pm — No Comments
I love Buzz Lightyear nearly as much as I love Forrest Gump. But Buzz did not quite understand infinity. My teenagers will argue with me over stuff, like who is the most adorable, saying that they are more adorable than me, and add “times infinity.” Well, they do not quite understand infinity either. I would venture to say that I do not understand the essence of the infinite, but just as Forrest knows what love is, so do I know what infinity is—and what it is not.
The Do Not part of…Continue
Added by Jeffrey Strickland on October 19, 2014 at 10:40pm — No Comments
Although this is what my Army platoon Sergeant often told me—he would, of course, precede it with the proper address of “Sir”—it really makes a lot of sense; however, I did not realize that my platoon sergeant was such a student of humanity, until much later when I heard about this fellow named Occam.
William of Occam, or sometimes rendered Ockham, (c. 1287–1347) is remembered as an influential medieval philosopher and nominalist, though his popular fame as a great logician rests…Continue
First, let me mention our new selection of resources and articles: 43 blogs that we discovered and liked this week. We found them listed as popular in various social networks - including Reddit, Google+, Twitter, LinkedIn etc. Just the top of the top, with noise filtered out for your convenience.
Internally. we also have published our own interesting stuff in the last few days,…Continue
Added by Vincent Granville on October 17, 2014 at 12:31am — No Comments
Added by Rohit Pandey on October 16, 2014 at 4:30am — No Comments
Sorry I am late for commenting in the Gartner Hype Cycle for Emerging Technology 2014 that was released back in August.
I was prepping for a presentation recently and…Continue
Added by Dr. Pradeep Mavuluri on October 14, 2014 at 8:16am — No Comments
A moving average is used to smooth out a time series. Computing moving average is a typical case of ordered data computing. Its basic computing method is to create a subset composed of N consecutive members of a time series, compute the average of the set and shift the subset forward one by one. The following example teaches you how to compute moving average in R language.…Continue
5 Reasons Why the Market Vectors Gold Mining ETF Could Be The Next Monster Trade
One of the most hated commodities in 2014 has been gold. As most of you know, gold is also viewed by many people as a currency. After all, gold cannot be printed or created by a click of a button like most fiat currencies. For the first time in a long time, the leading gold mining stocks are looking primed for a sharp move higher. Listed below are five key reasons why gold mining stocks…Continue
Added by Nicholas Santiago on October 13, 2014 at 12:00pm — No Comments
Upcoming DSC Webinar
The core competency of effective data scientists is producing direct value for businesses via quantitative models. New analytical tools allow data modelers to drastically improve the modeling workflow: speeding up data cleaning, identifying and exploring predictive factors, and rapidly evaluating and analyzing results.
In this webinar Justin…Continue
Added by Vincent Granville on October 13, 2014 at 12:00pm — No Comments
Ever wondered why certain countries have certain colors in their flags, why it has certain symbols and what are the different patterns?
We started digging through, checking a Wikipedia article on this topic.
This was a good start but we wanted to go deeper so we manually started eye balling each flag to understand the patterns and symbols.
We needed to figure out…Continue
Added by Nilesh Jethwa on October 13, 2014 at 8:00am — No Comments
Delivering analytical solutions using in-memory computing can be a better choice for small and medium data enterprises (SMEs) if followed few good practices:…Continue
Added by Dr. Pradeep Mavuluri on October 11, 2014 at 5:30am — No Comments
Post the financial crisis, banks in the US have faced increased regulatory scrutiny that has resulted in broader and tougher regulations. Bankers are fully aware of the investments and efforts they have to put in to comply with these regulations. Consequently, compliance function in banks is evolving towards a broader risk canvas that is now seeking tighter coordination between the first and second lines of defense. This poses new challenges to banks – from being compliant to getting the…Continue
Added by Naagesh Padmanaban on October 10, 2014 at 5:30pm — No Comments
Generally, Java programmers use poi or other open source packages to read and compute Excel data. These open source packages support low-level programming, which increases the overall learning cost and complicates the operation. But with the help of esProc, Java can avoid these problems.…Continue
Added by Jessica May on October 8, 2014 at 12:26am — No Comments
The brave new world of machine managers
Advances in analytics and artificial intelligence increasingly encompass decision making traditionally associated with middle management. With…Continue
Added by Scott Mongeau on October 7, 2014 at 9:50am — No Comments
Olive Garden is a restaurant brand that is owned and operated by Darden Restaurants, Inc. a SEC registrant with ticker symbol ‘DRI’. Darden reported that same store sales had increased for Olive Garden for 55 consecutive quarters in 2008. In 2009 same store sales declined and the Olive Garden brand has had continuous erosion since then.
Through a series of tasks outlined in the Objectives section below, the goal of this contest is to perform a store…Continue
Added by mohans on October 7, 2014 at 3:22am — No Comments