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Questions - magrittr

Why I am having troubles with the pipe operator?

I have been using this code multiple times, it worked two weeks ago as usual, but now, when I run the first line, R does not change the dataset I don't know why. As soon as I remove the pipe operator ...
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Sebastian Merizalde

r

dplyr

xts

magrittr

Votes: 0

Answers: 1

Latest Answer

Seems you are not getting any error. This can happen (?) if read operation fails and r is stuck. Tested what you shared. Worked fine for me. though first i read the data in a seaprate df and then appl...
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anuanand

What does 'x' do in curve/dnorm, and why does it work in my function?

I am making a function Prop.Histogram() that plots data as a histogram showing the proportions with a normal distribution curve added to it. Addition of the curve was difficult for me to achieve, but ...
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BartOverflow

r

function

statistics

curve

magrittr

Votes: 0

Answers: 1

Latest Answer

The curve() function uses non-standard evaluation. x is just a placeholder in the expression that it will plot. See ?curve for details. In fact, x doesn't need to be the first argument, it can appear...
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user2554330

Count the number of non-zero elements of each column- Piping Friendly

I am a behavioral ecologist using R. I am trying to count the non-zero elements across several columns. Normally when I do this I have successfully employed colSums with the !=0 operator, as has been ...
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N.F.F.

r

count

pipe

magrittr

Votes: 0

Answers: 5

Latest Answer

Get the logical matrix you'd like to compute on, and pipe it to colSums() (example |> select(-(1:2)) != 0) |> colSums() Of course this is tricky, because it relies on the implicit order of...
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Martin Morgan

What are the differences between R's new native pipe `|>` and the old native pipe `->.;`?

In R 4.1 a native pipe operator was introduced that is "more streamlined" than previous implementations. See this post about it. This is a question inspired by the thread "What are the ...
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Claudiu Papasteri

r

magrittr

Votes: 0

Answers: 0

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