Recent questions tagged R

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r - directlabels: avoid clipping (like xpd=TRUE)

In the plot below, direct label positions were tweaked a bit vertically, but they get clipped at the left/right edges. Is ... y = y + 0.2))) See Question&Answers more detail:os...

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

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603 views

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r - Can transparency be used with PostScript/EPS?

I am trying to save an R plot as an EPS file but I have a problem with the following component of the plot - the ... lwd=0.8,lty=3) dev.off() See Question&Answers more detail:os...

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

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826 views

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r - Error: x must be atomic for 'sort.list'

This is weird. I get this error Error in sort.list(y) : 'x' must be atomic for 'sort.list' Have you ... (*, ".internal.selfref")=<externalptr> See Question&Answers more detail:os...

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

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426 views

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r - Change from date and hour format to numeric format

I am working in R and I need to change from a column in format 9/27/2011 3:33:00 PM to a value format. In Excel I ... 2 9/27/2011 15:34 c 3 7 1 See Question&Answers more detail:os...

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

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485 views

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r - How to change factor labels into string in a data frame

I have the following data frame: name1 name2 A B B D C C D A the columns "name1" and "name2" are treated as ... as string. how can i do 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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559 views

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r - ggplot each group consists of only one observation

I'm trying to make a plot similar to this answer: https://stackoverflow.com/a/4877936/651779 My data frame looks ... I change to make this work? See Question&Answers more detail:os...

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

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499 views

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r - Random sampling to give an exact sum

I want to sample 140 numbers between 1000 to 100000 such that the sum of these 140 numbers is around 2 million ... how I can achieve this? See Question&Answers more detail:os...

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

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602 views

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r - UseMethod("predict") : no applicable method for 'predict' applied to an object of class "train"

I have a model (fit), based on historic information until last month. Now I would like to predict using my ... ... Thanks in advance, David See Question&Answers more detail:os...

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

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519 views

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r - `print` function in `ifelse`

I'm wondering why ifelse(1<2,print("true"),print("false")) returns [1] "true" [1] "true" whereas ... print within ifelse returns "true" twice See Question&Answers more detail:os...

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

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489 views

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r - Combine result from top_n with an "Other" category in dplyr

I have a data frame dat1 Country Count 1 AUS 1 2 NZ 2 3 NZ 1 4 USA 3 5 AUS 1 6 IND 2 7 AUS 4 8 USA 2 9 JPN 5 10 ... "6", "7", "8", "9", "10")) See Question&Answers more detail:os...

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

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664 views

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r - NOTE or WARNING from package check when README.md includes images

I have a package with a README.Rmd that I pass to rmarkdown::render() producing README.md and a directory ... ├── README.md ├── README.Rmd See Question&Answers more detail:os...

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

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716 views

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r - How to plot histogram/ frequency-count of a vector with ggplot?

I want to plot with ggplot the frequency of values from a numeric vector. With plot() is quite straight forward ... ggplot() to plot my vector? See Question&Answers more detail:os...

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

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595 views

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r - Filled and hollow shapes where the fill color = the line color

I want to convey three types of information in a dot-plot. I can use color, shape and fill (my actual data ... and the blue points with blue? See Question&Answers more detail:os...

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

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661 views

1 answer

r - Shiny splitLayout and selectInput issue

When I combine the splitLayout and selectInput in R Shiny, there is something wrong. The dropdown list of choices ... way to do this. See Question&Answers more detail:os...

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

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396 views

1 answer

r - RGB to Hex converter

Suppose I have this vector x <- c("165 239 210", "111 45 93") Is there a neat package to convert RGB values ... for R. x <- "#A5EFD2" "#6F2D5D" See Question&Answers more detail:os...

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

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481 views

1 answer

r - Scatterplot: Error in FUN(X[[i]], ...) : object 'Group' not found

I'm trying to plot some data using ggplot and I'm having some problems with the significant lines and asterisk ... simple problem. Any advice? See Question&Answers more detail:os...

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

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427 views

1 answer

r - read.csv row.names

I'm trying to read a column oriented csv file into R as a data frame. the first line of the file is like ... or otherwise, that would be great. See Question&Answers more detail:os...

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

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607 views

1 answer

r - ggplot renaming facet labels in facet_wrap

I've hit a stumbling block in writing a ggplot function. I'm trying to change the facet labels in a ggplot ... best way to achieve this? 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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374 views

1 answer

r - How to simultaneously apply color/shape/size in a scatter plot using plotly?

I am trying to create (in plotly) a scatterplot which distinguishes the points of the same series by two (or three) ... .0.16 and ggplot2_2.0.0. See Question&Answers more detail:os...

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

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630 views

1 answer

r - Subtract values in one dataframe from another

I have two data frames: (these are shortened versions of them) A Link VU U P 1 DVH1 7 1 37 2 DVH2 7 0 38 3 DVH3 ... 2 DVH2 3 0 24 3 DVH3 10 1 30 See Question&Answers more detail:os...

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

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1.3k views

1 answer

r - Format axis tick labels to percentage in plotly

I am creating bar charts in plotly with y-axis representing percentages or shares within 0-1. The y-axis displays ... 't seem to be working. See Question&Answers more detail:os...

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

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523 views

1 answer

r - How to scale the size of line and point separately in ggplot2

The code is as follows: set.seed(123) d1=data.frame(x=runif(10),y=runif(10),z=runif(10,1,10)) ... and points separately with a separate legend? See Question&Answers more detail:os...

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

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398 views

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r - how to determine if a character vector is a valid numeric or integer vector

I am trying to turn a nested list structure into a dataframe. The list looks similar to the following (it ... valid numeric or integer vector? See Question&Answers more detail:os...

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

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424 views

1 answer

r - How many elements in a vector are greater than x without using a loop

If I have the following vector : x [1] 1 5 8 9 1 0 15 15 and I want to know how many elements are greater ... would like to get : 2 as a result See Question&Answers more detail:os...

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

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470 views

1 answer

r - Memory limits in data table: negative length vectors are not allowed

I have a data table with several social media users and his/her followers. The original data table has the ... memory.limit() [1] 147446 See Question&Answers more detail:os...

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

0 votes

628 views

1 answer

r - Is there a limit for the possible number of nested ifelse statements

I wrote a code that uses 75(!!!) nested ifelse statements. I know its probably the most inefficient code I could ... This seems to work so far. See Question&Answers more detail:os...

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

0 votes

555 views

1 answer

r - Using gganimate to export gif

The package gganimate creates gifs (MWE code from here): library(ggplot2) #devtools::install_github('thomasp85/ ... be different issues. See Question&Answers more detail:os...

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

0 votes

444 views

1 answer

r - ggplot2 wind time series with arrows/vectors

From meteorological data (hourly values of temperature, wind and humidity) I managed to plot time series of wind ... " 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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