416 search results for "market research"

SAS is #1…In Plans to Discontinue Use

December 30, 2014
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SAS is #1…In Plans to Discontinue Use

I’ve been tracking The Popularity of Data Analysis Software for many years now, and a clear trend is the decline of the market share of the bigger analytics firms, notably SAS and SPSS. Many people have interpreted my comments as implying … Continue reading →

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Calibrated Hull and White short-rates with RQuantLib and ESGtoolkit

December 24, 2014
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Calibrated Hull and White short-rates with RQuantLib and ESGtoolkit

In this post, I use R packages RQuantLib and ESGtoolkit for the calibration and simulation of the famous Hull and White short-rate model. QuantLib is an open source C++ library for quantitative analysis, modeling, trading, and risk management of financial … Continue reading →

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A Way To Model Execution On Individual Legs Of A Spread In Quantstrat

December 23, 2014
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A Way To Model Execution On Individual Legs Of A Spread In Quantstrat

In this post, I’ll attempt to address a question I’ve seen tossed around time and again regarding quantstrat. “How do … Continue reading →

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The ZOMMA Warthog Index

December 12, 2014
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The ZOMMA Warthog Index

Harry Long posted another article on SeekingAlpha. As usual, it’s another “looks amazing at first glance, and winds up being … Continue reading →

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On Early Warning Systems in Education

December 11, 2014
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Recently the NPR program Marketplace did a story about the rise of the use of dropout early warning systems in public schools that you can read or listen to online. I was lucky enough to be interviewed for the piece because of the role I have play...

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An Update on Flexible Asset Allocation

November 25, 2014
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An Update on Flexible Asset Allocation

A few weeks back, after seeing my replication, one of the original authors of the Flexible Asset Allocation paper got … Continue reading →

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Volatility Risk Premium: Sharpe 2+, Return to Drawdown 3+

November 14, 2014
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Volatility Risk Premium: Sharpe 2+, Return to Drawdown 3+

First, before starting this post, I’d like to give one last comment about my previous post: I called Vanguard to … Continue reading →

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SBS documentary “The Age of Big Data”

November 8, 2014
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SBS documentary “The Age of Big Data”

by Yanchang Zhao, RDataMining.com “Data is becoming a powerful and most valuable commodity in 21st century. It is leading to scientific insights and new ways of understanding human behaviour. Data can also make you rich. Very rich.” — SBS documentary … Continue reading →

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Predicting High Yield with SPY–a Two Part Post

November 7, 2014
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Predicting High Yield with SPY–a Two Part Post

This post will cover ideas from two individuals: David Varadi of CSS Analytics with whom I am currently collaborating on some … Continue reading →

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Net Promoter Mixture Modeling: Can a Single Likelihood Rating Reveal Customer Segments?

November 5, 2014
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Net Promoter Mixture Modeling: Can a Single Likelihood Rating Reveal Customer Segments?

Net Promoter believes that customers come in one of three forms: promoters (happy yellows), passives (neutral grays), or detractors (angry reds). Cluster identification is relatively easy for all you need to do is ask the "ultimate question" concerning...

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