Recent questions tagged R

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r - What could be the reason for bad dicom image plot

What could be the reason that the dicom file of this usual x-ray is getting plotted in a messed up manner: ... /files/US-RGB-8-esopecho.gz 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 - RSelenium throwing StaleElementReference error

I am trying to scrape this website link using RSelenium. I have successfully scraped most of the ... ) webElem$getElementAttribute("id") 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 - Extract names of deeply nested lists

Suppose I have a list like this : m <- list('a' = list('b' = c(1, 2), 'c' = 3, 'b1' = 4)) I want to get the ... 'd' = list( 'k' = c( 4, 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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r - How to fill/shade space between timelines, plotted with ggplot?

I have a 12x13 matrix that looks like that: monat beob werex_00 werex_11 werex_22 werex_33 werex_44 werex_55 ... between these two 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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r - Right sidebar open by default in shinydashboardPlus

Is there any way to have right sidebar open by default in shinydashboardPlus? library(shiny) library(shinydashboard) shinyApp ... output) { } ) 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 - Show the value of a geom_point using geom_text

Using this nice code from here: countries <- structure(list(country = structure(c(5L, 6L, 3L, 4L, 10L, 8L, ... ) : object 'Longitude' 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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r - "argument is of length zero" in if statement

I want to compute my data according to rule that number+W is number*2. dat="1W 16 2W 16 1 16 2W 0 1W 16 16 ... is 1, what is wrong with my code? 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 - ggplot2: Reversing secondary continuous x axis

I am trying to reverse the secondary X axis on top of my ggplot. ggplot( data=MasterTable, aes(x= ... would be really appreciated. 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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r - How to preserve column names when dynamically passing data frame columns to `aggregate`

With a data frame like below df1 <- data.frame(a=seq(1.1,9.9,1.1), b=seq(0.1,0.9,0.1), ... the original data frame in the returned data frame? See Question&Answers more detail:os...

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

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856 views

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r - Print a multiplication table with minimal code

In R, what is the fastest way(shortest code) to print multiplication table? The functions seq rep and the bind ... this in a more compact way? 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 - Order dataframe by month

I have calculated the maximum counts per month in this data.frame: counts <- data.frame(year = sort(rep(2000 ... in the order Jan-Dec? 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 - Adding points to horizontal boxplots

I use the following code to produce multiple boxplots, ranked by the mean value of the variables: zx <- ... add points to horizontal boxplots? 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 - Custom forest plot with with ggplot2. Can't have multiple groups, CIs cross the lower limit

I wrote a function to draw forest plots of CIs from regression results. I feed to the function a data.frame with ... + xlab(ylab) return(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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985 views

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r - Simultaneous fuzzy and non-fuzzy join

Say I have this data frame: # Set random seed set.seed(33550336) # Number of IDs n <- 5 # Create ... a fuzzy and non-fuzzy join simultaneously? 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 - Combining lists of different lengths into data frame

I have data like the SampleData below, which has lists of different length that I'd like to combine in to ... (SampleData,qpcR:::cbind.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 - Plot() error when using REngine.Rserve

I'm now work on a project which wants to use org.rosuda.REngine.Rserve to use facilities of R by C#. I ... see your response. Thanks a lot. 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 - Problems with reading a txt file (EOF within quoted string)

I am trying to use read.table() to import this TXT file into R (contains informations about meteorological ... for this particular txt file? 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 - applying a function to the output of dplyr's group_by

I would like to subset a large dataframe and create a ggplot of each grouping. Sounds like a perfect candidate for dplyr ... .pdf",sep="")) }) 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 - rbind char vector to data frame

> test <- data.frame() > test<-rbind(test,c("hi","i","am","bob")) > test<-rbind(test,c("hi ... several string-rows to an empty data frame. See Question&Answers more detail:os...

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

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924 views

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r - Executing external source in knitr and printing the external code chunk

I use ProjectTemplate and Knitr to produce reports. Most of the analysis is stored in the src directory, whilst ... the code in the appendix? 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 - axis labels are not plotted in English

R doesn't plot automatically the axis labels in English (for example Months are in French). I use ( ... LC_NUMERIC=C LC_TIME=French_France.1252 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 - ggplot2: side by side barplot with one bar stacked and the other not

I am trying to create a barplot where for each category, two bars are plotted (side by side): one is for the " ... "identity",width=.5) print(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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r - Assign Colour to each line in ggplot2

Hello People, I am trying to use the geom_line function to create line graphs in R. I want to assign specific colours ... ="black") par(new=F) See Question&Answers more detail:os...

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

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843 views

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r - subsetting data frame based on search pattern in vector

I've spent a few hours on a problem with subsetting data frame rows based on search pattern in a vector. I' ... based on criteria in car.names? 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 - Split line by multiple points using sf package

I am trying to split a large line shape by pairs of points along the line. Based on previous questions asked mainly ... = "geometry", agr = structure(c(FWK_Code = NA_integer_,...

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

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893 views

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r - Exact time stamp on quantmod currency (FX) data

we may collect daily data from Oanda and Yahoo finance with the quantmod package as such: getFX("USD/JPY",from=" ... have a clue. 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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917 views

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r - Summarize with dplyr "other then" groups

I need to summarize in a grouped data_frame (warn: a solution with dplyr is very much appreciated but isn ... functions working based on groups. See Question&Answers more detail:os...

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

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893 views

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r - Can one extract model fit parameters after a ggplot stat_smooth call?

Using stat_smooth, I can fit models to data. E.g. g=ggplot(tips,aes(x=tip,y=as.numeric(unclass(factor( ... get to the coefficients through that? See Question&Answers more detail:os...

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

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