Adding the average

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Adding the average

Steve Jones - SSC Editor

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September 19, 2017 at 8:49 pm

#77606

Comments posted to this topic are about the item Adding the average

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Thomas Franz Hall of Fame Points: 3893 More actions · Answer 1

Short question: I admit, that I do not work with R, but why should anyone else really wants to do this "graphical" plotting in R, while there are much more fancy, better looking diagram-tools outside?

Of course, R does support this stuff, since it is a very old language and 25 years ago this plots could have been state of the art, but why should I today know this syntax, even if I had / want to work with R?

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morlindk SSCrazy Points: 2294 More actions · Answer 2

A classic example of a multiple choice Q. easily answered by sheer psychology. One need only make a simple mental plot of how options relate to each other to see what is the central (=correct) option, from which the others are derived. Of course, it is not a foolproof method. But it is surprisingly useful for making an "educated" guess when drawing a "blank" - not the least for the classic certification exam format. Chances can, of course, be enhanced if partial knowledge allow for immediate exclusion of one or more options.

Ed Wagner SSC Guru Points: 287026 More actions · Answer 3

Heh - I guessed. I don't use R.

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George Vobr SSCrazy Eights Points: 9996 More actions · Answer 4

Thanks for this question Steve, besides how to add a line to a plot in R, I looked up whether the difference between Mean and Average and how to calculate Median and Midrange. 😉

Steve Jones - SSC Editor SSC Guru Points: 736183 More actions · Answer 5

t.franz - Wednesday, September 20, 2017 2:42 AM
Short question: I admit, that I do not work with R, but why should anyone else really wants to do this "graphical" plotting in R, while there are much more fancy, better looking diagram-tools outside?
Of course, R does support this stuff, since it is a very old language and 25 years ago this plots could have been state of the art, but why should I today know this syntax, even if I had / want to work with R?

Many of the "R" people I've met use this to get quick looks at data and start examinations for how to add things to more complex plots, or more visually appealing items. This lets them quickly play with ideas, which often take a backseat to formatting or managing data in something like SSRS, PowerBI, etc.

Stewart "Arturius" Campbell SSC Guru Points: 72625 More actions · Answer 6

Interesting question, thanks Steve

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