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How to replace any NAs in dataframe in R by the last 4 values?

You could use a for-loop, e.g. df 1 local_1 1 #> 2 local_2 2 #> 3 local_3 5 #> 4 local_4 6 #> 5 local_1 1 #> 6 local_2 2 #> 7 local_3 5 #> 8 local_4 6 #> 9 local_1 4 #> 10...

Tags: r, dataframe, tidyr

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Plot all levels of factor within a boxplot in ggplot2?

Add drop=FALSE to the x and/or fill scale and if you are using ggplot2 >= 3.5.0 additionally add show.legend=TRUE to geom_boxplot (otherwise the key symbol will not be shown in the fill legend): libr...

Tags: r, ggplot2

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Calculate optimal sample size given a response proportion and desired power for 2:1 trial?

I'm not sure your calculation as given makes sense; the power is calculated for p1 - p2 so specifying a one-sided "greater" alternative when p1 < p2 will result in only type I assertions. Either way,...

Tags: r

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Correctly format Windows date in R?

Maybe you need specify the origin date, for example > d as.Date(as.numeric(d), origin = "1899-12-30") [1] "1980-01-01" "2006-01-01" "2023-03-01" "2010-07-01" "2006-04-01"

Tags: r, date

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Recode variable switching the highest values to lowest (retaining the same values within variable)?

In R its common to write your own functions. I assume its a coincidence that your desired result in the example is simply the rev() , as its not too difficult to make an example in which what you desc...

Tags: r

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Convert gui object to dataframe in R?

based on the documentation : https://www.sciviews.org/svDialogs/reference/dlg_input.html ibrary(svDialogs) test

Tags: r

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Error in future_apply() : dim(X) must have a positive length?

Your error is from sub_files having no dimensions dim(sub_files) you can convert it to a matrix (with dimensions) and use future_apply (which needs the MARGIN chosen) results

Tags: r, parallel-processing, r-future

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Proper way to iterate into dataframe columns and obtain a paired list of values (col1->col2, col2->col3, col3-> col4, etc.)?

You can try Map `row.names

Tags: r, dataframe, loops

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Splitting out my data when the length of each varies?

Using strsplit and adapting the `length fn fn(x) |> setNames(c('one', 'two', 'three', 'four', 'five', 'six')) one two three four five six 1 1 2 1 1 NA NA 2 1 2 1 1 3 3...

Tags: r

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Plotly hover text/tooltip not working in Shiny?

The first issue is that by adding the text aes you change the grouping, i.e. to fix that explicitly map or set the group aes using group = GroupBy. The second issue is due to a change in ggplot2 which...

Tags: r, ggplot2, shiny

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