431 search results for "quantmod"

Introduction to Backtesting library in the Systematic Investor Toolbox

November 24, 2011
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Introduction to Backtesting library in the Systematic Investor Toolbox

I wrote a simple Backtesting library to evaluate and analyze Trading Strategies. I will use this library to present the performance of trading strategies that I will study in the next series of posts. It is very easy to write a simple Backtesting routine in R, for example: The code I implemented in the Systematic

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Volume by Price Charts using R

November 23, 2011
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Volume by Price Charts using R

R-Bloggers is a wonderful site which offers some great ideas for analysis.While I have been busy of late, hence could not do much with R, I was inspired by this post by Eric Nguyen on Volume by Price chart. This chart can be used with a great effe...

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Popular Baby Names Walk-Through Part 2 – Graphing the fast movers

November 21, 2011
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Popular Baby Names Walk-Through Part 2 – Graphing the fast movers

I will assume you have read through part 1 and have the csv file loaded. While we covered some basic graphing in the last post i hope to get into a little more of the data crunching. Specifically I am interested in the names which where driven by a spe...

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A Simple R Script for Traders

November 21, 2011
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A Simple R Script for Traders

Now that we've got the Python implementation under out belts, let's do the same thing with R. We'll still be able to pass command-line arguments to get a quick look at what our stock of interest is doing during the day. And we start with the familiar i...

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Magical Russell 2000

November 21, 2011
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Magical Russell 2000

I have marveled at the magical Russell 2000 in Crazy RUT, but I am still surprised at its behavior through this selloff.  With a 20-day move of 30% (6% in one hour) and big outperformance to the developed and developing world, the Russell 2000 con...

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Cross Pollination from Systematic Investor

November 20, 2011
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Cross Pollination from Systematic Investor

After reading the fine article Style Analysis from Systematic Investor and What we can learn from Bill Miller and the Legg Mason Value Trust from Asymmetric Investment Returns, I thought I should combine the two in R with the FactorAnalytics package.&n...

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Let the Lagging Lead

November 18, 2011
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Let the Lagging Lead

THIS IS NOT INVESTMENT ADVICE AND WILL PROBABLY WIPE OUT ALL YOUR MONEY IF PURSUED.  While exploring utilities, I discovered a strange phenomenon that I have not quite thoroughly understood, but I attribute to the business cycle.  If I dust o...

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Style Analysis

November 17, 2011
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Style Analysis

During the final stage of asset allocation process we have to decide how to implement our desired allocation. In many cases we will allocate capital to the mutual fund managers who will invest money according to their fund’s mandate. Usually there is no perfect relationship between asset classes and fund managers. To determine the true

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Pre-computing a trading plan in parallel

November 11, 2011
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Pre-computing a trading plan in parallel

R version 2.14 introduced a new package, called parallel. This new package combines the functionality from two previous packages: snow and multicore. Since I was using multicore to parallelise my computations, I had to migrate to the new package and decided to publish some code. Often trading strategies are tested using the daily closing price

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Evolving Domestic Frontier

November 1, 2011
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Evolving Domestic Frontier

When we learn the efficient frontier, most are misled to believe that the frontier is static and unchanging.  However, we should have all learned by recent experience that the frontier is as volatile as the assets that construct it.  If we lo...

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