Monthly Archives: October 2012

Weekend Reading – Facebook’s P/E ratio

October 7, 2012
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Weekend Reading – Facebook’s P/E ratio

The Barron’s article Still Too Pricey by Andrew Bary looks at the share price of the Facebook and based on the P/E ration valuation metrics concludes that even at the current prices, stock is overvalued. I want to show how to do this type of fundamental analysis using the Systematic Investor Toolbox. First let’s load

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Keeping track of my calories the R way

Keeping track of my calories the R way

So...I'm back with Your Shape: Fitness Evolved 2012 for XBox Kinect. Why? Because I want to loose some weight and get back in shape of course -;)The reason I stop playing the game is simple...I'm lazy...but this time, I have come back with a goal...bur...

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ANOVAs and MANOVAs

October 7, 2012
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ANOVAs and MANOVAs

# Anova's are frequently used in experimental setting when treatments is a categorical value and there are one or more response variables.  Rather than testing the statistical significance of each categorical value with respect to the re...

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Footbal ordinal model: examination and predictions

October 7, 2012
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Footbal ordinal model: examination and predictions

In the previous entry an ordinal model for football games was developed. It is now time to look a bit better at the model and use it. This means three sections; A look at likelihood and link function, a model interpretation part, which focuse...

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Mumbai/Bangalore, 2012/13 – Rmetrics Courses

October 7, 2012
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(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...

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Zurich, Aug 2012 – Swiss SBBI Data

October 7, 2012
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(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...

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Forecasting the Misery Index, follow-up

October 7, 2012
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Forecasting the Misery Index, follow-up

Five months ago I generated forecasts for the Eurozone Misery index. I used the built-in “FitAR” package in R. Using different models differing in their memory length (how many lags were considered for each model) 24 months ahead forecasts were … Continue reading

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EDA Before CDA

October 6, 2012
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EDA Before CDA

One Paragraph Summary Always explore your data visually. Whatever specific hypothesis you have when you go out to collect data is likely to be worse than any of the hypotheses you’ll form after looking at just a few simple visualizations of that data. The most effective hypothesis testing framework in existence is the test of

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R-bloggers

October 6, 2012
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R-bloggers provides a great service, aggregating a universe of blogs which contribute aRticles on R and using R (marked using an "R"-tag.This is a nice community service creating a one-stop shop for readers to learn about R, but also a great idea for a...

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Simulating Social Network Hotspots

October 6, 2012
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Simulating Social Network Hotspots

# This simulation will generate a simulated data set with social network connections.# Unlike the previous post which made all connections randomly this post will have hotspots such as schools and common areas that networkers access which make it more ...

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