Running SAS programs in parallel using SAS/CONNECT®

January 13, 2021
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Running SAS programs in parallel using SAS/CONNECT®

SAS' Leonid Batkhan demonstrates a popular "divide-and-conquer" efficiency strategy using SAS/Connect®.

Running SAS programs in parallel using SAS/CONNECT® was published on SAS Users.


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The moving block bootstrap for time series

January 13, 2021
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The moving block bootstrap for time series

As I discussed in a previous article, the simple block bootstrap is a way to perform a bootstrap analysis on a time series. The first step is to decompose the series into additive components: Y = Predicted + Residuals. You then choose a block...
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Blog posts from 2020 that deserve a second look

January 11, 2021
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Blog posts from 2020 that deserve a second look

On The DO Loop blog, I write about a diverse set of topics, including statistical data analysis, machine learning, statistical programming, data visualization, simulation, numerical analysis, and matrix computations. In a previous article, I presented some of my most popular blog posts from 2020....
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How to schedule and manage your SAS hot fixes

January 7, 2021
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How to schedule and manage your SAS hot fixes

This, the third of three posts on our hot-fix process, provides a spreadsheet and tips to track and manage your SAS®9 environment.

How to schedule and manage your SAS hot fixes was published on SAS Users.


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The simple block bootstrap for time series in SAS

January 6, 2021
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The simple block bootstrap for time series in SAS

For ordinary least squares (OLS) regression, you can use a basic bootstrap of the residuals (called residual resampling) to perform a bootstrap analysis of the parameter estimates. This is possible because an assumption of OLS regression is that the residuals are independent. Therefore, you...
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Top posts from The DO Loop in 2020

January 4, 2021
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Top posts from The DO Loop in 2020

Last year, I wrote more than 100 posts for The DO Loop blog. In previous years, the most popular articles were about SAS programming tips, statistical analysis, and data visualization. But not in 2020. In 2020, when the world was ravaged by the coronavirus...
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Create a response variable that has a specified R-square value

December 21, 2020
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Create a response variable that has a specified R-square value

When you perform a linear regression, you can examine the R-square value, which is a goodness-of-fit statistic that indicates how well the response variable can be represented as a linear combination of the explanatory variables. But did you know that you can also go...
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Find a vector that has a specified correlation with another vector

December 17, 2020
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Find a vector that has a specified correlation with another vector

Do you know that you can create a vector that has a specific correlation with another vector? That is, given a vector, x, and a correlation coefficient, ρ, you can find a vector, y, such that corr(x, y) = ρ. The vectors x and...
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2020 roundup: SAS Users YouTube channel how to tutorials

December 17, 2020
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2020 roundup: SAS Users YouTube channel how to tutorials

Find out the most popular SAS Users YouTube channel how to tutorials, and learn a thing or two!

2020 roundup: SAS Users YouTube channel how to tutorials was published on SAS Users.


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