Subscribe to DSC Newsletter

October 2013 Blog Posts (21)

Comparative study note of Java and Python (II)

2.The control flow statements

Now we try to use the two languages to do a practice. The following, one in Java one in Python, are two programs with the same algorithm.


 * program author: Yue Cai Zhu.…


Added by Yuecai Zhu on October 30, 2013 at 5:32pm — No Comments

Comparative study note of Java and Python (I)

One usually asked question is:  with which programming language to start when someone just begins studying computer science? Then a lot of suggestions will come up.

1      1.       You should start with one static typed language say C/C++, java etc. and then move easily to dynamic typed language like Perl, Python etc. Because it is harder to move from dynamic typed language to static typed language.



Added by Yuecai Zhu on October 30, 2013 at 5:29pm — No Comments

Don't miss DISCOVER.DECIDE.DO. - The Biggest Business Intelligence Virtual Event of the Year

- The Future of Business Intelligence, Big Data & Analytics - will be the largest, most impactful virtual event of the year to help you turn data into action.…


Added by Colleen Lesovitz on October 30, 2013 at 11:00am — No Comments

Supplier Diversity needs cleaned and enriched small or Big Data

Today, analytics-driven best practices dictate that, content collecting portals and other data-centric projects undergo the process of data cleaning and enrichment because analytic-oriented failures (i.e. descriptive, predictive, and prescriptive analytics models or reports) are often linked to the quality of data. To halt the perpetuation of bad data across the enterprise, initial “clean and enrich” initiatives have been effective including gathering missing or incomplete data, identifying…


Added by Patrick C. Walker, MPA on October 27, 2013 at 8:00pm — No Comments

Mapping Tutorials and Infographics — new stuff this week

We're listing some recent blog posts and tutorials on mapping and geodata on Please let us know what you think, or if you have other blog post suggestions!

Added by Wojciech Gryc on October 26, 2013 at 1:18pm — No Comments

Detailed Audience Demographics now Available on Google Analytics

Knowing your audience is the first step to customized, targeted marketing. When it comes to getting to know the audience, web analytics are very helpful for marketers. There is a wealth of information about the user’s behavior on your website that you can access. Using this information you can create more powerful landing pages, and you can identify and eliminate common exits points. However, one of the most important data regarding the users: their…


Added by Rajveer Singh Rathore on October 25, 2013 at 5:49am — No Comments

Weekly digest - October 28

Sponsored Announcement

Learn about a modern approach to doing BI at the speed of the web. Empower your data team to meet the data discovery demands of your organization. Understand how to do analytics quickly and easily. Watch how innovative companies are transforming big data to…


Added by Vincent Granville on October 23, 2013 at 1:00pm — No Comments

Help Needed! Getting a user-friendly tool (or system) to prepare large data sets for analysis...

I have a 5-20K USD budget to get a tool (w/wo dedicated hardware), including training for 2 people, to prepare (clean, merge, etc...) and summarize (samples, grouping/aggregations, etc) large data sets (over 5GBs, over 4 million rows).

I need an efficient solution (fast data processing and fast to learn), and definitely easy to use. I would have done it with excel if excel could handle such large data files.

After preparing and summarizing the data, I'll use excel pivot tables…


Added by Ahmed on October 22, 2013 at 2:16pm — 13 Comments

Warm-up exercise before data science.

Practicing Data science…


Added by Manish Bhoge on October 18, 2013 at 12:22pm — No Comments

Simple Solutions to Complex Manufacturing Data

Many manufacturers struggle with the expansion of their product offerings. Pressure from sales teams and their customers cause manufacturers to build out an increasingly complex list of product choices. Meanwhile, the product teams are often focused on meeting these requests without a broader view of how additional options will affect sales or the organization as a whole.

Configurable products have their own kind of complexity. This is not the typical “big data” complexity,…


Added by Radhika Subramanian on October 16, 2013 at 7:55am — 1 Comment

2013 Data Miner Survey Highlights

Update: the author of this report has asked us to remove it. We apologize for the inconvenience. You will find other interesting surveys and studies below (more to come):


Added by Vincent Granville on October 13, 2013 at 10:00am — 3 Comments

Predictive Analytics, Data mining and High School dropouts?

Currently, high schools have some of the biggest challenges determining the individual paths of students that enter the school yard each day. In fact, both institutions and industries would like to know, for example, which student will graduate from a particular course program and which student will need assistance in order to graduate on time. Which graduates are most receptive to what kind of high education institution? Which non-graduates are most receptive to what kind of intervention to…


Added by Patrick C. Walker, MPA on October 11, 2013 at 9:30am — No Comments

In front of Social Media, did enterprises have choices?

The enterprises have digital relationships with their customers since long time. The first commercial Internet sites date back 1990, in parallel first emails inter-companies communications have been established, first e-mailings, first public forums etc.  A little later appeared personal sites, blogs, wikis, micro-blogs, content sites sharing (text, video, ...), social networks,  exchange sites on products or services and all other means that make up the social media world. (See the…


Added by Michel Bruley on October 8, 2013 at 2:51am — No Comments

The Trickiness of forecasting rainfall

Believing  in the weather guy  to keep the golf course dry ? Forecasting rainfall could be tricky ..

Forecasting rainfall, and at a broader level, forecasting the weather is a problem fraught with challenges. Around the world, various initiatives, such as, Deep Thunder by IBM and Named Peril by Climate Corporation, have been undertaken to address this challenge. In India, the Indian Meteorology Department and the Centre for Mathematical Modeling and Computer…


Added by Somjit Amrit on October 6, 2013 at 9:26pm — No Comments

Visual Dashboards that Persuade, Inform, and Engage

Making Flow Happen: Dashboards that Persuade, Inform, and Engage
 Join us for a Webinar on October 29th…


Added by Andrei Macsin on October 3, 2013 at 11:02pm — No Comments

Weekly Digest, Oct 7

Data Science Central Webinar Series


Added by Vincent Granville on October 3, 2013 at 10:00pm — No Comments

Leadership and Organizational Analytics

Historically, Leadership and Organizational assessments were recommended or promoted as means to determine if enterprises were effective and efficient. Often determined when all elements of the organization were aligned properly, resulting in superior performance. Today, some professionals advise their clients in ways to improve performance by conducting alleged unique assessment models similarly to the traditional form (e.g. gut-feeling approaches). The purpose of these assessment models…


Added by Patrick C. Walker, MPA on October 3, 2013 at 11:00am — No Comments

Analytics Success Starts with Asking the Right Questions

Analytics projects range in scale and complexity, but every analyst eventually runs into the same problem. Regardless of the kind of data you’re working with or the size of the project, from a mid-sized manufacturer to a project that truly is Big Data, businesses look to analytics and BI tools because the scope and complexity of the data is obscuring critical information. Organizations spend a great deal of time and resources creating models and running queries trying to get a more…


Added by Radhika Subramanian on October 3, 2013 at 9:25am — No Comments

Sample source code for various data science tasks and projects

These (and more) are available for free in our code snippets group:

  • Source code to compute all permutations of n elements
  • Simple solutions to make…

Added by Vincent Granville on October 2, 2013 at 5:58pm — No Comments

Performance Assessment Analytics

After the dot-com bubble burst, all businesses were forced to operate even leaner, faster, and smarter than ever before. Today, all businesses must focus on fundamental strengths and bottom-line results. Operational excellence forms the straightest path to use these strengths to drive results. The professionals in Business Intelligence and Analytics work continue to face challenges with client companies to conduct unique assessments, which are tailored to each client’s situation, that…


Added by Patrick C. Walker, MPA on October 2, 2013 at 3:00pm — No Comments

Blog Topics by Tags

Monthly Archives














On Data Science Central

© 2021   TechTarget, Inc.   Powered by

Badges  |  Report an Issue  |  Privacy Policy  |  Terms of Service