Posts Tagged ‘ Statistical Graphics ’

Overlay a curve on a bar chart in SAS

September 12, 2016
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Overlay a curve on a bar chart in SAS

One of the strengths of the SGPLOT procedure in SAS is the ease with which you can overlay multiple plots on the same graph. For example, you can easily combine the SCATTER and SERIES statements to add a curve to a scatter plot. However, if you try to overlay incompatible […] The post Overlay a curve on a bar chart in SAS appeared first on The DO Loop.

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Stan users group hits 2000 registrations

September 9, 2016
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Stan users group hits 2000 registrations

Of course, there are bound to be duplicate emails, dead emails, and people who picked up Stan, joined the list, and never came back. But still, that’s a lot of people who’ve expressed interest! It’s been an amazing ride that’s only going to get better as we learn more and continue to improve Stan’s speed […] The post Stan users group hits 2000 registrations appeared first on Statistical Modeling, Causal…

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Graph a step function in SAS

September 6, 2016
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Graph a step function in SAS

Last week I wrote about how to compute sample quantiles and weighted quantiles in SAS. As part of that article, I needed to draw some step functions. Recall that a step function is a piecewise constant function that jumps by a certain amount at a finite number of points. Graph […] The post Graph a step function in SAS appeared first on The DO Loop.

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Garrison Keillor would be spinning etc.

September 5, 2016
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Garrison Keillor would be spinning etc.

Under the subject line, “Misleading Graphs of the Week,” Bill Jefferys sends along this: I agreed with Bill’s colleague Helen Read who wondered why should the 90th percentile be some magic number? Just change it to 85% or 95% or whatever and all the graphs will look different. Also kinda horrible that they’re presenting percentages […] The post Garrison Keillor would be spinning etc. appeared first on Statistical Modeling, Causal…

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Graph too clever by half

August 31, 2016
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Mike Carniello writes: I wondered what you make of this. I pay for the NYT online and tablet – but not paper, so I don’t know how they’re representing this content in two dimensions. I’ve paged through the thing a couple of times, not sure how useful it is – it seems like a series […] The post Graph too clever by half appeared first on Statistical Modeling, Causal Inference,…

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Create an animation with the BY statement in PROC SGPLOT

August 22, 2016
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Create an animation with the BY statement in PROC SGPLOT

It is easy to use PROC SGPLOT and BY-group processing to create an animated graph in SAS 9.4. Sanjay Matange previously discussed how to create an animated plot in SAS 9.4, but he used a macro loop to call PROC SGPLOT many times. It is often easier to use the […] The post Create an animation with the BY statement in PROC SGPLOT appeared first on The DO Loop.

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DrawMyData

August 8, 2016
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Robert Grant writes: This web page is something I constructed recently. You might find it useful for making artificial datasets that demonstrate a particular point for students. At any rate, if you have any feedback on it I’d be interested to hear it. I’ve tried to keep it as simple as possible but in due […] The post DrawMyData appeared first on Statistical Modeling, Causal Inference, and Social Science.

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All maps of parameter estimates remain misleading

August 2, 2016
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All maps of parameter estimates remain misleading

Roland Rau writes: After many years of applying frequentist statistical methods in mortality research, I just began to learn about the application of Bayesian methods in demography. Since I also wanted to change a part of my research focus on spatial models, I discovered your 1999 paper with Phil Price, All maps of parameter estimates […] The post All maps of parameter estimates remain misleading appeared first on Statistical Modeling,…

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Female world leaders by year of election

July 29, 2016
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Female world leaders by year of election

This week Hillary Clinton became the first woman to be nominated for president of the US by a major political party. Although this is a first for the US, many other countries have already passed this milestone. In fact, 60 countries have already elected women as presidents and prime ministers. […] The post Female world leaders by year of election appeared first on The DO Loop.

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How to visualize a kernel density estimate

July 27, 2016
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How to visualize a kernel density estimate

A kernel density estimate (KDE) is a nonparametric estimate for the density of a data sample. A KDE can help an analyst determine how to model the data: Does the KDE look like a normal curve? Like a mixture of normals? Is there evidence of outliers in the data? In […] The post How to visualize a kernel density estimate appeared first on The DO Loop.

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