Recent questions tagged R

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1 answer

r - Replace NA with previous value with limit

I would like to replace up to n NA values in vector with latest non-NA value. For example, if: a <- c(1,NA ... limit n. Is it possible to do it? See Question&Answers more detail:os...

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

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723 views

1 answer

r - Split a character to letters and numbers

I have a unique character, each letter follows a number. For instance: A1B10C5 I would like to split it into letter <- c ... (1, 10, 5) using R. See Question&Answers more detail:os...

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

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1.1k views

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r - How to handle null entries in SparkR

I have a SparkSQL DataFrame. Some entries in this data are empty but they don't behave like NULL or NA. How ... the S4 system/methods. Thanks. See Question&Answers more detail:os...

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

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640 views

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r - Converting spatial polygon to regular data frame without use of gpclib tools

I working with spatial data in R for a commercial application and would like to use ggplot2 for data visualization ... else solved this one? See Question&Answers more detail:os...

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

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679 views

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r - Converting a column of type 'list' to multiple columns in a data frame

I have a data frame with one column which is a list, like so: >head(movies$genre_list) [[1]] [1] "drama" " ... lists in the way I want. Thanks! See Question&Answers more detail:os...

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

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798 views

1 answer

r - Remove characters after the last occurrence of a specific character

I have a string that looks like: exampleList <- c("rs40535:1745233:G:A_AGGG","rs41111:1733320:GAC:AAC_TTTTTTG", " ... none I could find in R. See Question&Answers more detail:os...

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

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791 views

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r - Plotting symbols fails in PDF

I have the following code to create a plot. On the x- and y-axes there are symbols that appear on the screen, in a ... axis = 0.05, tcl = 0.25) See Question&Answers more detail:os...

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

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794 views

1 answer

r - acos(1) returns NaN for some values, not others

I have a list of latitude and longitude values, and I'm trying to find the distance between them. Using a ... a weird bug with R rounding. See Question&Answers more detail:os...

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

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937 views

1 answer

r - Adjusting figure margins in Rmarkdown

I am trying to adjust the piechart figure in my Rmarkdown document so that it spans the width of the page or at least ... c("tomato", "white")) See Question&Answers more detail:os...

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

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926 views

1 answer

r - geom_tile border missing at corners

I have the following data frame: # Dummy data frame df <- expand.grid(x = 1:3, y = 1:3) I ... Updated figure in response to a comment below See Question&Answers more detail:os...

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

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820 views

1 answer

r - ifelse() stripping POSIXct attribute from vector of timestamps?

This is weird: R's ifelse() seems to do some (unwanted) casting: Lets say I have a vector of timestamps ( ... NA's being replaced by whatever... See Question&Answers more detail:os...

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

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739 views

1 answer

r - Function to change blanks to NA

I'm trying to write a function that turns empty strings into NA. A summary of one of my column looks like ... all my columns to numeric values. See Question&Answers more detail:os...

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

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885 views

1 answer

r - 'Labels on top' with facet_grid, or 'space option' with facet_wrap

facet_grid allow me to size each facet width according to number of items on y axis (space argument): df <- ... you in advance for your help. See Question&Answers more detail:os...

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

0 votes

716 views

1 answer

r - Error in calling `lm` in a `lapply` with `weights` argument

I've encounter a weird behavior when calling lm within a lapply using the weights argument. My code consist of a list of ... dat=dd, wgt = "wg") See Question&Answers more detail:os...

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

0 votes

597 views

1 answer

r - Transform NA values based on first registration and nearest values

I already made a similar question but now I want just to restrict the new values of NA. I have some data like this: ... sure how to do it in R. 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

1 answer

r - Remove leading NAs to align data

I have a large data.frame with 'staggered' data and would like to align it. What I mean is I would like to take ... .trim(t.df, sides = 'left') See Question&Answers more detail:os...

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

0 votes

983 views

1 answer

r - geom_smooth on a subset of data

Here is some data and a plot: set.seed(18) data = data.frame(y=c(rep(0:1,3),rnorm(18,mean=0.5,sd ... the influence of the values on abscisse = 1 See Question&Answers more detail:os...

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

0 votes

699 views

1 answer

r - Flatten list column in data frame with ID column

My data frame contains the output of a survey with a select multiple question type. Some cells have multiple ... the search terms. thanks. See Question&Answers more detail:os...

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

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880 views

1 answer

r - ggplot2 colour geom_point by factor but geom_smooth based on all data

In ggplot2, the following command p <- qplot(wt, mpg, data=mtcars, colour=factor(cyl)) taken from here plots a ... factor. How do I do this? See Question&Answers more detail:os...

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

0 votes

649 views

1 answer

r - Changing behaviour of stats::lag when loading dplyr package

I am having trouble with the stats::lag function when using the dplyr package. Specifically, I get different results from ... )[1] ## [1] FALSE See Question&Answers more detail:os...

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

0 votes

667 views

1 answer

r - Why does function c() accept an undocumented argument?

The documentation for the base function c() shows its default arguments as c(..., recursive = FALSE) Now, if we ... of the arguments of c() ? See Question&Answers more detail:os...

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

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1.2k views

1 answer

r - round_any equivalent for dplyr?

I am trying to make a switch to the "new" tidyverse ecosystem and try to avoid loading the old packages ... from plyr package in tidyverse? See Question&Answers more detail:os...

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

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701 views

1 answer

r - Using source() within parallel foreach loops

Here is a toy example to illustrate my problem. library(foreach) library(doMC) registerDoMC(cores=2) foreach(i = 1:2 ... "object 'i' not found" See Question&Answers more detail:os...

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

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629 views

1 answer

r - Using "..." and "replicate"

In the documentation of sapply and replicate there is a warning regarding using ... Now, I can accept it as such, ... not see why this is so. See Question&Answers more detail:os...

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

0 votes

902 views

1 answer

r - Using dplyr summarise_at with column index

I noticed that when supplying column indices to dplyr::summarize_at the column to be summarized is determined excluding ... bug or a feature? See Question&Answers more detail:os...

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

0 votes

705 views

1 answer

r - roxygen2 not fully updating DESCRIPTION file

I'm making my first package rlandscape, using Roxygen2 and trying to follow the plain Roxygen vignette since ... the description file updated? See Question&Answers more detail:os...

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

0 votes

1.0k views

1 answer

r - Use mean in ggplot boxplots instead of median

Is it possible to use the mean in a ggplot boxplot instead of the median? Reason I ask is that in my data ... and I am interested in the mean. See Question&Answers more detail:os...

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

0 votes

856 views

1 answer

r - Add text to individual facets in ggplot

I wonder how I put different text in individual facets. I want to add the text inside the plot using annotate ... 3)) + facet_grid(~Experiment) See Question&Answers more detail:os...

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

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