2327 search results for "time series"

Survival Analysis With Generalized Additive Models : Part IV (the survival function)

May 2, 2015
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Survival Analysis With Generalized Additive Models : Part IV (the survival function)

The ability of PGAMs to estimate the log-baseline hazard rate, endows them with the capability to be used as smooth alternatives to the Kaplan Meier curve. If we assume for the shake of simplicity that there are no proportional co-variates in the PGAM regression, then the quantity modeled  corresponds to the log-hazard of the  survival

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Survival Analysis With Generalized Additive Models : Part IV (the survival function)

May 2, 2015
By
Survival Analysis With Generalized Additive Models : Part IV (the survival function)

The ability of PGAMs to estimate the log-baseline hazard rate, endows them with the capability to be used as smooth alternatives to the Kaplan Meier curve. If we assume for the shake of simplicity that there are no proportional co-variates in the PGAM regression, then the quantity modeled  corresponds to the log-hazard of the  survival

Read more »

Survival Analysis With Generalized Additive Models : Part III (the baseline hazard)

May 2, 2015
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Survival Analysis With Generalized Additive Models : Part III (the baseline hazard)

In the third part of the series on survival analysis with GAMs we will review the use of the baseline hazard estimates provided by this regression model. In contrast to the Cox mode, the log-baseline hazard is estimated along with other quantities (e.g. the log hazard ratios) by the Poisson GAM (PGAM) as: In the

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Survival Analysis With Generalized Additive Models : Part III (the baseline hazard)

May 2, 2015
By
Survival Analysis With Generalized Additive Models : Part III (the baseline hazard)

In the third part of the series on survival analysis with GAMs we will review the use of the baseline hazard estimates provided by this regression model. In contrast to the Cox mode, the log-baseline hazard is estimated along with other quantities (e.g. the log hazard ratios) by the Poisson GAM (PGAM) as: In the

Read more »

Should I use premium Diesel? Result: No

May 2, 2015
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Should I use premium Diesel? Result: No

A while ago I had a post: 'Should I use premium Diesel? Setup. Since that time the data has been acquired. This post describes the results.DataData is registered by me in 2014 and 2015. 2014 has standard Diesel, while 2015 has premium. Both are fr...

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Survival Analysis With Generalized Additive Models : Part I (background and rationale)

May 1, 2015
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Survival Analysis With Generalized Additive Models : Part I (background and rationale)

After a really long break, I’d will resume my blogging activity. It is actually a full circle for me, since one of the first posts that kick started this blog, matured enough to be published in a peer-reviewed journal last week. In the next few posts I will use the R code included to demonstrate the

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Survival Analysis With Generalized Additive Models : Part I (background and rationale)

May 1, 2015
By
Survival Analysis With Generalized Additive Models : Part I (background and rationale)

After a really long break, I’d will resume my blogging activity. It is actually a full circle for me, since one of the first posts that kick started this blog, matured enough to be published in a peer-reviewed journal last week. In the next few posts I will use the R code included to demonstrate the

Read more »

Wakefield: Random Data Set (Part II)

April 29, 2015
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Wakefield: Random Data Set (Part II)

This post is part II of a series detailing the GitHub package, wakefield, for generating random data sets. The First Post (part I) was a test run to gauge user interest. I received positive feedback and some ideas for improvements, … Continue reading →

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Wakefield: Random Data Set (Part II)

April 29, 2015
By
Wakefield: Random Data Set (Part II)

This post is part II of a series detailing the GitHub package, wakefield, for generating random data sets. The First Post (part I) was a test run to gauge user interest. I received positive feedback and some ideas for improvements, … Continue reading →

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Twelve Graphs & Dashboards You Should See On Climate Change, Science, & Public Opinion

April 28, 2015
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Twelve Graphs & Dashboards You Should See On Climate Change, Science, & Public Opinion

Plotly has teamed up with The White House on President Obama’s Climate Data Initiative to explore and explain climate trends. This post is our first contribution. You’ll see interactive graphs about: temperature and CO2 (4), climate change & environmental impact (4), attitudes about global warming (3), and a population graph. If you like this post, please share...

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