434 search results for "boxplot"

Hypothesis Driven Development Part III: Monte Carlo In Asset Allocation Tests

September 10, 2015
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Hypothesis Driven Development Part III: Monte Carlo In Asset Allocation Tests

This post will show how to use Monte Carlo to test for signal intelligence. Although I had rejected this strategy … Continue reading →

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Hypothesis Driven Development Part III: Monte Carlo In Asset Allocation Tests

September 10, 2015
By
Hypothesis Driven Development Part III: Monte Carlo In Asset Allocation Tests

This post will show how to use Monte Carlo to test for signal intelligence. Although I had rejected this strategy … Continue reading →

Read more »

Hypothesis-Driven Development Part II

September 8, 2015
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Hypothesis-Driven Development Part II

This post will evaluate signals based on the rank regression hypotheses covered in the last post. The last time around, … Continue reading →

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Hypothesis-Driven Development Part II

September 8, 2015
By
Hypothesis-Driven Development Part II

This post will evaluate signals based on the rank regression hypotheses covered in the last post. The last time around, … Continue reading →

Read more »

Free R Help

September 3, 2015
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Free R Help

Today I am giving away 10 sessions of free, online, one-on-one R help. My hope is to get a better understanding of how my readers use R, and the issues they face when working on their own projects. The sessions will be over the next two weeks, online and 30-60 minutes each. I just purchased Screenhero, The post

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Use box plots to assess the distribution and to identify the outliers in your dataset

August 14, 2015
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Use box plots to assess the distribution and to identify the outliers in your dataset

After you check the distribution of the data by ploting the histogram, the second thing to do is to look for outliers. Identifying the outliers is important becuase it might happen that an association you find in your analysis can be explained by the presence of outliers. The best tool to identify the outliers is

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Importing the New Zealand Income Survey SURF

August 14, 2015
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Importing the New Zealand Income Survey SURF

The quest for income microdata For a separate project, I've been looking for source data on income and wealth inequality. Not aggregate data like Gini coefficients or the percentage of income earned by the bottom 20% or top 1%, but the sources used to calculate those things. Because it's sensitve personal financial data either from surveys or tax...

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cricketr adapts to the Twenty20 International!

August 8, 2015
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cricketr adapts to the Twenty20 International!

Introduction This should be last in the series of posts based on my R package cricketr. That is, unless some bright idea comes trotting along and light bulbs go on around my head. In this post cricketr adapts to the Twenty20 International format. Now cricketr can handle stats from all 3 formats of the game

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cricketr adapts to the Twenty20 International!

August 8, 2015
By
cricketr adapts to the Twenty20 International!

Introduction This should be last in the series of posts based on my R package cricketr. That is, unless some bright idea comes trotting along and light bulbs go on around my head. In this post cricketr adapts to the Twenty20 International format. Now cricketr can handle stats from all 3 formats of the game

Read more »

Airline Performance Comparison with R/Shiny

August 2, 2015
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Airline Performance Comparison with R/Shiny

Open R shiny App from a new window here! Play with the App here: In this project I set out to build an interactive app to

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