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consistency in referring to spread functions (#688)

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Edwin Thoen 2018-10-24 19:25:30 +02:00 committed by Hadley Wickham
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transform.Rmd
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@ -677,8 +677,8 @@ Just using means, counts, and sum can get you a long way, but R provides many ot
```
* Measures of spread: `sd(x)`, `IQR(x)`, `mad(x)`. The root mean squared deviation,
or standard deviation or sd for short, is the standard measure of spread.
The interquartile range `IQR()` and median absolute deviation `mad(x)`
or standard deviation `sd(x)`, is the standard measure of spread.
The interquartile range `IQR(x)` and median absolute deviation `mad(x)`
are robust equivalents that may be more useful if you have outliers.
```{r}