Blog Archives

Happy PI day

March 13, 2016
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I have never done a post for PI day. This year I want to do so.So, we all know the simple estimation of PI based on random numbers. The code used here is chosen for speed in R.pi2d

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Happy PI day

March 13, 2016
By

I have never done a post for PI day. This year I want to do so.So, we all know the simple estimation of PI based on random numbers. The code used here is chosen for speed in R. pi2d

Read more »

Confidence intervals for Proportions

February 15, 2016
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Since I read documents with Clopper-Pearson a number of times the last weeks, I thought it a good idea to play around with confidence intervals for proportions a bit; to examine how intervals differ between various approaches. From a frequentist side C...

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Confidence intervals for Proportions

February 14, 2016
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Confidence intervals for Proportions

Since I read documents with Clopper-Pearson a number of times the last weeks, I thought it a good idea to play around with confidence intervals for proportions a bit; to examine how intervals differ between various approaches. From a frequentist side Clopper-Pearson, which is described as the frequentist's gold standard and secondly the easy way normal approximation. From the...

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Unemployment in Europe

February 2, 2016
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Unemployment in Europe

A couple of years I have made plots of unemployment and its change over the years. At first this was a bigger and complex piece of code. As things have progressed, the code can now become pretty concise. There are just plenty of packages to do the heavy lifting. So, this year I tried to make the code easy...

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Unemployment in Europe

February 2, 2016
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Unemployment in Europe

A couple of years I have made plots of unemployment and its change over the years. At first this was a bigger and complex piece of code. As things have progressed, the code can now become pretty concise. There are just plenty of packages to do the heav...

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A simple ANOVA

January 17, 2016
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A simple ANOVA

I was browsing Davies Design and Analysis of Industrial Experiments (second edition, 1967). Published by for ICI in times when industry did that kind of thing. It is quite an applied book. On page 107 there is an example where the variance of a process is estimated.DataData is from nine batches from which three samples were selected (A, B and...

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A simple ANOVA

January 17, 2016
By
A simple ANOVA

I was browsing Davies Design and Analysis of Industrial Experiments (second edition, 1967). Published by for ICI in times when industry did that kind of thing. It is quite an applied book. On page 107 there is an example where the variance of a process is estimated.DataData is from nine batches from which three samples were selected (A, B and...

Read more »

A plot of ‘Who works at home’

January 3, 2016
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A plot of ‘Who works at home’

I ran across this post containing displays on who works from home. I must say it looks great and is interactive but it did not help me understand the data. So I created this post to display the same data with a boring plot which might help me. For...

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A plot of ‘Who works at home’

January 3, 2016
By
A plot of ‘Who works at home’

I ran across this post containing displays on who works from home. I must say it looks great and is interactive but it did not help me understand the data. So I created this post to display the same data with a boring plot which might help me. For those really interested in this topic, census.gov created a .pdf which...

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