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Showing posts with label python. Show all posts
Showing posts with label python. Show all posts
Sunday, January 16, 2011

Collecting Max Items in Python

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Lately, I've needed a way to collect a running list of the top X values and their associated items in Python. This is useful if you...
Thursday, November 25, 2010

Running Variance

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Variance - kinda the bread and butter for analysis work on a time series. Doesn't get much respect though. But, take the square root of...
11 comments:
Saturday, September 11, 2010

Running Sum

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We've covered Running SMAs and EMAs ...let's dig into Running Sums or often called Running Totals. Formula as follows: \(Sum_{tod...
1 comment:
Sunday, August 01, 2010

Exponential Moving Average (EMA)

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Now that we've tackled Running Simple Moving Averages (SMA) ...let's move on to Exponential Moving Averages (EMA). You may wonder w...
5 comments:
Sunday, June 20, 2010

Running Simple Moving Average (SMA)

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When building a platform to test trading ideas...one of the big issues to deal with is all the indicators that require a spin through the pr...
12 comments:
Thursday, February 11, 2010

Trading Framework Part I: Tools I Use

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I received a question from a reader regarding the software I use...more specifically...the open source software I use in trading. Instead o...
1 comment:
Friday, November 14, 2008

What I'm Researching...

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Jim Barry's Rexx Tutor Part2 Posted: 13 Nov 2008 01:00 PM CST great summaries on the classic rexx functions. Project Aar...
Friday, November 07, 2008

What I'm Researching...

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Overview of RAMFS and TMPFS on Linux Posted: 06 Nov 2008 11:02 PM CST Map your memory as a drive? Wonder how this would work if y...
Monday, October 20, 2008

What I'm Researching...

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RocketDock - About RocketDock Posted: 20 Oct 2008 12:17 AM CDT extremely cool application dock for windows. Python Programmi...
Wednesday, October 08, 2008

What I'm Researching...

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Linus' blog: .. so I got one of the new Intel SSD's Posted: 07 Oct 2008 10:02 PM CDT great analysis on evaluating SSD hard...
Tuesday, October 07, 2008

What I'm Researching...

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The Sect of Homokaasu - The Rasterbator Posted: 07 Oct 2008 01:45 AM CDT Cool, print huge posters from normal paper - software bre...
Sunday, October 05, 2008

What I'm Researching...

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TinyMCE - Home Posted: 05 Oct 2008 12:12 AM CDT WYSIWYG Javascript WYSIWYG editor - haven't tried it...but may be worth testin...
Friday, September 21, 2007

Recent Links for 09/21/2007

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Newbie - converting csv files to arrays in NumPy Great message thread on how to convert csv files to numpy arrays. Cookbook/InputOutput - Nu...
2 comments:
Tuesday, September 18, 2007

Recent Links for 09/18/2007

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Chapter 22. Struct and Array Modules Overview of the python struct and array modules Building Skills in Programming Nice python tutorial. Py...
Monday, September 17, 2007

Recent Links for 09/17/2007

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One year ago I was a stock market analyst [Part 1] Very interesting how he was able to process 9,000 stocks in less than a minute. Goldblog...
Sunday, September 16, 2007

Recent Links for 09/15/2007

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Links for 2007-09-15 [del.icio.us] Posted: 16 Sep 2007 12:00 AM CDT Practical Common Lisp Excellent way to get started with Common Lisp. ...
Wednesday, September 05, 2007

Recent Links 09/05/2007

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Speed up R, Python, and MATLAB - Going Parallel Reduce runtime of Python, R, and MATLAB applications by 85%?  Process 10-100X  larger datase...
Tuesday, September 04, 2007

Recent Links 09/04/2007

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World Beta - Engineering Targeted Returns and Risk: More On The Endowment Style Of Investing    Annotated World Beta shares some links cover...
Monday, September 03, 2007

Recent Links 09/03/2007

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ONLamp.com -- Numerical Python Basics Numpy basics.  - post by taylortree Programming in R Finding Duplicate Elements in an Array :: Phil! G...