265 search results for "market research"

R vs Spreadsheets

January 8, 2014
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R vs Spreadsheets

One of the myriad of reasons we created the Data Driven Security blog was to provide pointers to data analysis and visualization resources for security domain experts who may have not been exposed to these types of tools. I’d venture a posit that most folks jump into some type of spreadsheet software whenever they get their hands on a manageable...

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Big Data Analytics predictions for 2014

December 31, 2013
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As we close out the year, we asked a few members of the Revolution Analytics team to make a few predictions about big data analytics, data science and R for 2014. Here's what they came up with (including a few from yours truly). Michele Chambers, Chief Strategy Officer and VP Product Management While the sexiest job in 2013 was...

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Latent Variable Mixture Models (LVMM): Decomposing Heterogeneity into Type and Intensity

December 19, 2013
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Adding features to a product can be costly, so brands have an incentive to include only those features most likely to increase demand. In the last two posts (first link and second link), I have recommended what could be called a "features stress t...

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Financial Data Accessible from R – part IV

December 13, 2013
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DataMarket is the latest data source of financial data accessible from R I came across. A good tutorial can be found here. I updated the table and the descriptions below. Source R Package Free Access Available on CRAN Provider url Yahoo, FRED, Oanda, Google Quantmod Yes Yes Quantmod Quandl Quandl Yes Yes Quandl TrueFX TFX

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Weekend Reading: F-Squared

December 6, 2013
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Weekend Reading: F-Squared

Mebane Faber posted another interesting blog post: Building a Simple Sector Rotation on Momentum and Trend that caught my interest. Today I want to show how you can test such strategy using the Systematic Investor Toolbox: Mebane thank you very much for sharing your great ideas. I would encourage readers to play with this strategy

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The R Backpages 2

November 27, 2013
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The R Backpages 2

by Joseph Rickert In this roundup of R-related news: Domino enables data science collaboration; Plotly adds an R graphics gallery; Revolution Analytics R user group sponsorship applications are open; and Quandl adds new data sets. San Francisco startup takes on collaborative Data Science Domino, a San Francisco based startup, is inviting users to sign up to beta test its...

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Key Driver vs. Network Analysis in R

November 8, 2013
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Key Driver vs. Network Analysis in R

When marketing researchers speak of driver analysis, they are referring to an input-output model with overall satisfaction as the output and performance ratings of specific product and service components as the inputs. The causal model is straightforwa...

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Generating functions

November 8, 2013
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Generating functions

Today, I wanted to publish a post on generating functions, based on discussions I had with Jean-Francois while having our coffee after lunch a couple of times already. The other reason is that I publish my post while my student just finished their Probability exam (and there were a few questions on generating functions). A short introduction (back on...

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Financial Data Accessible from R – part III

November 8, 2013
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I came across a new source of data which I think is really worth sharing: ThinkNum. It gathers around 2,000 sources of data but more importantly it allows the user to manipulate this data via functions and graphics and there is an R package available on CRAN. Interested readers can find a very good post

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Financial Data Accessible from R – part II

October 30, 2013
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I updated my initial post with two new sources of data and the associated R packages: Datastream and PWT. I also added the fImport package from Rmetrics. Following a reader suggestion, I made the initial table  more interactive, moved  the data description and package detail below the main table and updated them. Enjoy! Source R

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