The essential guide to bootstrapping in SAS
This post was kindly contributed by The DO Loop - go there to comment and to read the full post. This article describes best practices and techniques that every data analyst should know before...
View ArticleGraphs of bootstrap statistics in PROC TTEST
This post was kindly contributed by The DO Loop - go there to comment and to read the full post. When I run a bootstrap analysis, I create graphs to visualize the distribution of the bootstrap...
View ArticleMatrix operations and BY groups
This post was kindly contributed by The DO Loop - go there to comment and to read the full post. Many SAS procedures support the BY statement, which enables you to perform an analysis for subgroups of...
View ArticleDiscrimination, accuracy, and stability in binary classifiers
This post was kindly contributed by The DO Loop - go there to comment and to read the full post. At SAS Global Forum 2019, Daymond Ling presented an interesting discussion of binary classifiers in the...
View ArticleHow to estimate the difference between percentiles
This post was kindly contributed by The DO Loop - go there to comment and to read the full post. I recently read an article that describes ways to compute confidence intervals for the difference in a...
View ArticleConfidence intervals for eigenvalues of a correlation matrix
This post was kindly contributed by The DO Loop - go there to comment and to read the full post. A fundamental principle of data analysis is that a statistic is an estimate of a parameter for the...
View ArticleThe simple block bootstrap for time series in SAS
This post was kindly contributed by The DO Loop - go there to comment and to read the full post. For ordinary least squares (OLS) regression, you can use a basic bootstrap of the residuals (called...
View ArticleThe moving block bootstrap for time series
This post was kindly contributed by The DO Loop - go there to comment and to read the full post. As I discussed in a previous article, the simple block bootstrap is a way to perform a bootstrap...
View ArticleThe stationary block bootstrap in SAS
This post was kindly contributed by The DO Loop - go there to comment and to read the full post. This is the third and last introductory article about how to bootstrap time series in SAS. In the first...
View ArticlePermutation tests and independent sorting of data
This post was kindly contributed by The DO Loop - go there to comment and to read the full post. For many univariate statistics (mean, median, standard deviation, etc.), the order of the data is...
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