Stochastic Signal Analysis is a field of science concerned with the processing, modification and analysis of (stochastic) signals.

Anyone with a background in Physics or Engineering knows to some degree about signal analysis techniques, what these technique are and how they can be used to analyze, model and classify signals.

Data Scientists coming from a different fields, like Computer Science or Statistics, might not be aware of the analytical power these techniques bring with…

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A typical day in the life of an Analyst

An Analyst works on varied projects with multiple deliverables and varied duties depending on the business objectives.

However there are some tasks that can be easily classified as “common everyday duties” in a “typical work day of a business analyst”

Clarification and…

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A market basket analysis or recommendation engine [1] is what is behind all these recommendations we get when we go shopping online or whenever we receive targeted advertising. The underlying engine collects information about people’s habits and knows that if people buy pasta and wine, they are usually also interested in pasta sauces. So, the next time you go to the supermarket and buy pasta and wine, be ready to get a recommendation for some pasta sauce!



A typical analysis goal…

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Introduction

This blog was originally posted as part of our Text Analysis 101 blog series. It aims to explain how the classification of text works as part of Natural Language Processing. It was the second blog on harnessing…

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We’ve just wrapped up another eventful season of the annual phenomenon that is the Indian Premier League. Records were broken, trophies and caps won, and careers and fortunes made in a span of 6 high-octane weeks.  Fans, being the lifeblood of any successful sporting event, were given extra-special attention this time around. The millions of tweets that social-media savvy fans across India tweeted during the tournament formed a veritable growing corpus of social content that was used through…

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In very simple words, the process of predicting the probability of an event using mathematical models is defined as predictive modelling. In different fields there has been a wide-spread application of predictive modelling. This is mainly for the purpose of decision making. Recently, the technological advancements have made it possible for predictive modelling to expands its reach within the healthcare sector.…

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With the development of web technologies, an increasing amount of opinions are published online every day!!

People rely on the reviews more than before to help determine the quality of product in which they are interested!!

We use the chatter data from Twitter.com to forecast box-office revenues for movies!!

The data that is being generated on the social networks as a result of human activities is commonly referred as Social Data. This is one of the largest streams of…

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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…

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Data analysis echo system has grown all the way from SQL's to NoSQL and from Excel analysis to Visualization. Today, we are in scarceness of the resources to process ALL (You better understand what i mean by ALL) kind of data that is coming to enterprise. Data goes through profiling, formatting, munging or cleansing, pruning, transformation steps to analytics and predictive modeling. Interestingly, there is no one tool proved to be an effective solution to run…

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IDIRO TECHNOLOGIES ANNOUNCES DEAL WITH GLOBAL SERVICE PROVIDER DIGICEL TO PROVIDE MARKETING ANALYTICS



Dublin, 22nd January 2013

Idiro Technologies, a…

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If you've ever learned to play an instrument, at some point an instructor will give you a sheet of music that you've never seen before and ask you to play it.  It is a very objective way to assess one's skill level and the act of playing unseen music is called sight reading.

Wikipedia on Sight Reading

I've often wanted to use this technique to quantify a candidate's ability to analyze data.  We…

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Visualizing Large Data Sets

 

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AnalytiX™ Mapping Manager is the first enterprise tool in the integration industry bringing standards, management and collaboration to one of the remaining area in the data integration space: pre-ETL source to target mapping. Another critical pain area been address by Mapping Manager is one of versioning and the central repository of the mapping based on…

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Ron Fredericks writes: The Bay Area useR group event had a full house. The video presented here attempts to capture both the content and the excitement surrounding this event:…

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As Business Data Grows, So Does Next-Generation Consultancy

On August 24 Inc. Magazine announced their list of the fastest growing companies in the country. Fitzgerald Analytics was ranked 2518 on the prestigious list, which is considered a hallmark of entrepreneurial success. Past members of the list include Intuit, Zappos,…

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http://www.linkedin.com/answers/management/business-analytics/MGM_ANA/649462-19717444

Customers are using your services through multiple channels. Customer’s access their bank through either the branch or Internet banking or other channels such as ATMs and mobile banking. Multi channel behavior however needs to be intelligently decoded. Mc Kinsey research shows that Multichannel customers spend on average 20 to 30% more than single channel users. More than 80 percent of a broad cross-section of U.S. retailers now report that they sell merchandise through multiple channels.… Continue

Companies around the world are literally drowning in data. A typical airline or retailer, for example, is collecting data from many operational systems and storing terabytes, if not petabytes, of data. But how closely do CMO’s and CIO’s actually work or are they often at cross purposes! In India and I am sure in other furiously growing markets as well, IT is so busy building the basic infrastructure to manage the business that they often ignore the strategic priorities that Marketing is trying… Continue

Frank Capek has this very interesting take on something that we end up doing everyday - WAITING! In fact today “waiting” has become multi-channel-you wait in physical queues and you also wait on the IVR for the call centre agent.



Here is what Frank says: It’s hard to overestimate the impact of waiting on your customers’ experience. Across the research we’ve conducted, some of the most dramatic customer defections occur because of bad waiting experiences.



You can help… Continue