Recent questions tagged R

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r - Removing traces by name using plotlyProxy (or accessing output schema in reactive context)

I am attempting to use the plotlyProxy() functionality (Documented here) to allow users of a shiny application to ... } shinyApp(ui, server) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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550 views

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r - Plot multiple datasets with ggplot

I want to plot, in the same graph, two different sets of points: A = [1 2; 3 4] and B = [1 3; 2 4]. ... ", plot=myPlot, width = 12, height = 8) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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417 views

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r - How can I ensure that a partition has representative observations from each level of a factor?

I wrote a small function to partition my dataset into training and testing sets. However, I am running into ... ) return(partitioned.data) } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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475 views

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r - Combine multiple .RData files containing objects with the same name into one single .RData file

I have many many .RData files containing one dataframe that I had saved in a previous analysis and the data frame ... (file="main.RData") } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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341 views

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r - Perfectly align several plots

My aim is a compounded plot which combines a scatterplot and 2 plots for density estimates. The problem I'm facing is ... ), heights=c(1, 4)) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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305 views

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r - Converting a data.frame to a list of lists

How can I convert a data.frame df <- data.frame(id=c("af1", "af2"), start=c(100, 115), end=c(114, ... doesn't depend on unique IDs to split on. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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529 views

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r - Remove weekend data in a dataframe

As you can see from the dataframe below, RBloomberg returns NAs for weekend dates. I want to remove the entire row if ... 55 R214 2011-05-15 NA See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Change color median line ggplot geom_boxplot()

I would like to change the color of the median line in geom_boxplot(). I have looked and can't find a ... panel.grid.major = element_blank()) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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333 views

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r - Efficient multiplication of columns in a data frame

I have a large data frame in which I am multiplying two columns together to get another column. At first I ... ) but this is taking forever See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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515 views

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r - Install the package that has been removed from the CRAN repository easily

I want to use some packages, but they has been deleted in CRAN, though their formerly available versions can ... designed as "multi-platform". See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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388 views

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r - ggplot2: how to transparently shade alternate days on a plot

What am I doing wrong here please? I'm trying to shade alternate 24-hr daily rectangles with transparent gray. ... (aes(y=my_y_series)) p See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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795 views

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r - Replace NaN values in a list with zero (0)

Hi dear I have a problem with NaN. I am working with a large dataset with many variables and they have ... 36000 observations and 40 variables. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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285 views

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r - Replace NAs with mean of the same column of a data.table

I want to replace NAs present in a column of a DATA TABLE with the mean of the same column. I am doing the ... to the syntax for the data table. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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r - ggplot: remove NA factor level in legend

How can I omit the NA level of a factor from a legend? From the nycflights13 database, I created a new ... delay_class), position = "fill") See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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300 views

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r - Canonical tidyverse method to update some values of a vector from a look-up table

I frequently need to recode some (not all!) values in a data frame column based off of a look-up table. I'm ... like regex when it's not needed) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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381 views

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r - ggplot2 and geom_density: How to remove baseline?

I'm using ggplot as described here Smoothed density estimates and entered in the R console m <- ggplot(movies, aes ... plot to the x-axis) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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714 views

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r markdown - How do I get rmarkdown 1.2 with Microsoft R Open 3.3.2

I am using RStudio 1.0.136 with Microsoft R Open 3.3.2 When I do File --> New File --> R Markdown... it ... /pub/RWin" Where do I go from here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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348 views

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r - ggplot2 - custom grob over axis lines

I'm trying to generate an axis line break in ggplot2 (with a white segment over the axis lines) and I'm ... are placed after the axis lines? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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613 views

1 answer

r - How can I use grid to edit a ggplot2 object to add math expressions to facet labels?

I need to put Greek letters into facet labels using facet_wrap() in ggplot2. I found a Link describing the same ... this be done using grid? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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382 views

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r - Using ifelse() to replace NAs in one data frame by referencing another data frame of different length

I already reviewed the following two posts and think they might answer my question, although I'm struggling to ... , thanks for your patience! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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313 views

1 answer

r - dynamically add function to r6 class instance

I'm trying to forget refclasses (R5) and move to R6 but there is a problem with dynamic code. I would add a ... ") clsR6$predict(11) #[1] 44 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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645 views

1 answer

r raster - Sum nlayers of a rasterStack in R

I am working with daily observation of climate data organized in .nc files. I read them using the stack command of ... ?? ,fun=sum) Thank you See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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295 views

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r - Generate observers for dynamic number of inputs

I have what I think is a pretty simple user case that I haven't been able to find a ... /rstudio/shiny/issues/167#issuecomment-152598096 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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521 views

1 answer

r - geom_boxplot() from ggplot2 : forcing an empty level to appear

I can't find a way to ask ggplot2 to show an empty level in a boxplot without imputing my dataframe with actual ... ... Thanks for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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445 views

1 answer

r - Dodging points and error bars with ggplot

Consider this data (note that foo is actually a factor.): foo bar outcome ci 1 a 0.683333333 0.247447165 ... example here also shows this error. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

1 answer

r - Using filter_ in dplyr where both field and value are in variables

I want to filter a dataframe using a field which is defined in a variable, to select a value that is also in ... values for each field in fld. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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482 views

1 answer

r - How to do a regression of a series of variables without typing each variable name

I want to run a regression with a bunch of independent variables from my dataset. There are a lot of predictors, so I ... [,20]+HHdata[,21] etc. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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327 views

1 answer

r - Display Correlation Tables as Descending List

When running cor() on a times series with a lot of variables, I get a table back that has a row and column for each ... C,R,-0.8 T,Z,0.5 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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