Recent questions tagged R

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r - Dual y axis (second axis) use in ggplot2

I come to encounter a problem that using two different data with the help of second axis function as described in ... in this context ?? thx See Question&Answers more detail:os...

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

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569 views

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r - How to add bounding box to a specific area in ggplot2 heatmap?

I use an example from here. My question is how can I add a specific bounding box to this heatmap, such ... mymelt$value, label = mymelt$value)) See Question&Answers more detail:os...

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

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461 views

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r - Conditional mean statement

I have a dataset named bwght which contains the variable cigs (cigarattes smoked per day) When I calculate the mean ... anyone please help me?? See Question&Answers more detail:os...

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

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537 views

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r - ggplot scale_x_continuous with symbol: make bold

Here is the issue: I am using ggplot to to make a graph in which the x axis ranges from -90 to 90 ... . Any help would be greatly appreciated! See Question&Answers more detail:os...

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

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451 views

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r - Shiny leaflet easyPrint plugin

I'm trying to incorporate the easyPrint plugin into my shiny leaflet app. What I want is something that looks ... aspect is causing the problem. See Question&Answers more detail:os...

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

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405 views

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r - Convert numeric vector to binary (0/1) based on limit

I have a numeric vector: p = c(0.69, 0.43, 0.72, 0.62, 0.29, 0.7) I wish to compare the ... unused arguments (newvector = 1, newvector = 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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450 views

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r - How to find correct executable with Sys.which on Windows

What are the workarounds on Windows to make it so Sys.which finds the proper executables? Two cases that are ... the main one, convert.exe. See Question&Answers more detail:os...

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

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428 views

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r - Placement of error bars in barplot using ggplot2

Hi i am using ggplot version 0.9.3.2 in RStudio and I am trying to make a bar plot with error bars. ... clearly http://i.imgur.com/1zwbxMv.png See Question&Answers more detail:os...

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

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674 views

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r - Remove rows which have all NAs in certain columns

Suppose you have a dataframe with 9 columns. You want to remove cases which have all NAs in columns 5:9. It ... that should be checked for NAs. See Question&Answers more detail:os...

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

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488 views

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r - From long to wide data with multiple columns

Suggestions for how to smoothly get from foo to foo2 (preferably with tidyr or reshape2 packages)? This is ... it with pivot_wider from tidyr. See Question&Answers more detail:os...

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

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512 views

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r - standard eval with ggplot2 without `aes_string()`

I'd like to pass a quoted string to a function that calls ggplot2. library(magrittr); library(ggplot2) g1 <- ... ") variables %>% lapply(g1) See Question&Answers more detail:os...

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

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451 views

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r - How to determine if a url object returns '404 Not Found'?

Simply put: if x <- read.csv(url) exists, then R will return the contents of that url. A good example, ... maybe status(connect.to(url)) 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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946 views

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r - Adding a legend to an rgl 3d plot

I am trying to draw a 3d plot using rgl with colors legend indicating which color refer to which class (called ... attached plot) Any idea ? 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 - Error in install.packages : type =="both" cannot be used with 'repos =NULL'

Actually I am trying to install packages offline. I have R studio. what I do is based on previously asked ... give me an advice ? 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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417 views

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r - How to prevent blogdown from rerendering all posts?

Background: I am featuring a blog built on @YihuiXie's R package blogdown. Problem: When I render_site(), all ... jsonlite_1.5 httpuv_1.4.3 > See Question&Answers more detail:os...

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

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665 views

1 answer

r - ggplot legends when plot is built from two data frames

I have data coming from two different data frames. I am trying to create legend for each data frame. ... assistance will be greatly appreciated. See Question&Answers more detail:os...

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

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617 views

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r - Tidy evaluation programming with dplyr::case_when

I try to write a simple function wrapping around the dplyr::case_when() function. I read the programming with dplyr ... the 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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393 views

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r - Class of data.table column

I'd like to know how to ascertain the class of a column in a data.table dt given a character vector w. ... to sapply( myDataFrame, class) ? See Question&Answers more detail:os...

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

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463 views

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r - How to convert a sparse matrix into a matrix of index and value of non-zero element

We can construct a sparse matrix from an index and value of non-zero element with the sparseMatrix or ... similar job as sparseToVector? See Question&Answers more detail:os...

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

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392 views

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r - What are the caveats of using source versus parse & eval?

Short version Can I replace source(filename, local = TRUE, encoding = 'UTF-8') with eval(parse(filename, encoding ... as UTF-8 in memory. See Question&Answers more detail:os...

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

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468 views

1 answer

r - Controlling both the major and minor grid lines on the y axis

library(ggplot2) x <- c(1:100) y <- c(1:100) ch1 <- qplot(x, y) ch2 <- ch1 + theme(panel.grid. ... it did not work. Thank you 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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512 views

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r - How do I write multiple CSV files from a list of data frames?

I have a list with two data frames. I want to loop thru the list and write a CSV for each data frame and ... csv with the correct data in each? See Question&Answers more detail:os...

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

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552 views

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r - Include TikZ code in bookdown figure environment

I'd like to add a TikZ figure to a bookdown document in order to include some fancy graphics. My primary ... . Can that be changed anyway? See Question&Answers more detail:os...

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

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533 views

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r - How to ddply() without sorting?

I use the following code to summarize my data, grouped by Compound, Replicate and Mass. summaryDataFrame <- ddply( ... . Thanks for the 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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337 views

1 answer

r - how do I replace numeric codes with value labels from a lookup table?

This question is related to this question, but not quite the same. Say I have this data frame, df <- ... be greatly appreciated. Thanks, Eric See Question&Answers more detail:os...

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

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588 views

1 answer

r - How to save output from ggforce::facet_grid_paginate in only one pdf?

I'm using the ggforce package to generate facetted plots over several pages: library(ggforce) for(i in 1:6){ ... like that's not the case? See Question&Answers more detail:os...

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

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882 views

1 answer

r - Obtaining Separate Summary Statistics by Categorical Variable with Stargazer Package

I would like to use stargazer to produce summary statistics for each category of a grouping variable. I could do it in ... ------------- See Question&Answers more detail:os...

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

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554 views

1 answer

r - Align edges of ggplot choropleth (legend title varies)

I am attempting to align the left and right edges of 4 ggplot choropleth maps using this method. I am unable ... so facet_grid is out 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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