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juliasilge.com | ||
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datasciencetut.com
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| | | | | Rounded corner bar plot in R, we'll show you how to use the ggchicklet package in the R to make a ggplot2 bar chart with rounded bars. | |
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www.fharrell.com
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| | | | | In randomized clinical trials, power can be greatly increased and sample size reduced by using an ordinal outcome instead of a binary one. The proportional odds model is the most popular model for analyzing ordinal outcomes, and it borrows treatment effect information across outcome levels to obtain a single overall treatment effect as an odds ratio. When deaths can occur, it is logical to have death as one of the ordinal categories. Consumers of the results frequently seek evidence of a mortality reduction even though they were not willing to fund a study large enough to be able to detect this with decent power. The same goes when assessing whether there is an increase in mortality, indicating a severe safety problem for the new treatment. The partial propo... | |
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matbesancon.xyz
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| | | | | Learning by doing: detecting fraud on bank notes using Python in 3 steps. | |
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dplyr.tidyverse.org
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| | | Select (and optionally rename) variables in a data frame, using a concise mini-language that makes it easy to refer to variables based on their name (e.g. a:f selects all columns from a on the left to f on the right) or type (e.g. where(is.numeric) selects all numeric columns). Overview of selection features Tidyverse selections implement a dialect of R where operators make it easy to select variables: : for selecting a range of consecutive variables. ! for taking the complement of a set of variables. & ... | ||
