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kurtosis, skewness, start with ML

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dr. M.S. (Matthijs) Berends
2018-07-08 22:14:55 +02:00
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NEWS.md
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# 0.2.0.90xx (development version)
#### New
* Support for Addins menu in RStudio to quickly insert `%in%` or `%like%` (and give them keyboard shortcuts), or to view the datasets that come with this package
* Function `top_freq` function to get the top/below *n* items of frequency tables
* Vignette about frequency tables
* Header of frequency tables now also show MAD and IQR
* Possibility to globally set the default for the amount of items to print in frequency tables (`freq` function), with `options(max.print.freq = n)`
* For convience, descriptive statistical functions `kurtosis` and `skewness` that are lacking in base R - they are generic functions and have support for vectors, data.frames and matrices
* New for frequency tables (function `freq`):
* A vignette to explain its usage
* Support for existing functions `hist` and `plot` to use a frequency table as input: `hist(freq(df$age))`
* Support for quasiquotation: `freq(mydata, mycolumn)` is the same as `mydata %>% freq(mycolumn)`
* Function `top_freq` function to return the top/below *n* items as vector
* Header of frequency tables now also show Mean Absolute Deviaton (MAD) and Interquartile Range (IQR)
* Possibility to globally set the default for the amount of items to print, with `options(max.print.freq = n)` where *n* is your preset value
* Functions `clipboard_import` and `clipboard_export` as helper functions to quickly copy and paste from/to software like Excel and SPSS
* Function `g.test` to perform the Χ<sup>2</sup> distributed [*G*-test](https://en.wikipedia.org/wiki/G-test)
* Function `ratio` to transform a vector of values to a preset ratio (convenient to use with `g.test`). For example:
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#### Changed
* `%like%` now supports multiple patterns
* Frequency tables (function `freq`) now supports quasiquotation: `freq(mydata, mycolumn)`, or `mydata %>% freq(mycolumn)`
* Frequency tables are now actual `data.frame`s with altered console printing to make it look like a frequency table. Because of this, the parameter `toConsole` is not longer needed.
* Small translational improvements to the `septic_patients` dataset
* Small improvements to the `microorganisms` dataset, especially for *Salmonella*