Recent questions tagged r

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r - How to create a variable of rownames?

I have an object in R that looks like this: returns 2010-1-4 -0.015933327 2010-1-11 -0.015042868 2010-1-18 ... -0.0526741206 How can I 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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469 views

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r - Draw multiple squares with ggplot

I am trying to change to 'background' color of a ggplot. What I want to achieve is the plot shown below. I've ... to get: Thanks for your time. See Question&Answers more detail:os...

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

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395 views

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r - How can I make the legend in ggplot2 the same height as my plot?

I have generated a simple plot in R (version R version 3.0.1 (2013-05-16)) using ggplot2 (version 0.9.3.1) ... "black", high = muted("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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498 views

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r - Retain attributes when using gather from tidyr (attributes are not identical)

I have a data frame that needs to be split into two tables to satisfy Codd's 3rd normal form. In a ... elegant solution that I'm missing. See Question&Answers more detail:os...

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

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471 views

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r - Producing a boxplot in ggplot2 using summary statistics

Below is a code for producing a boxplot using ggplot2 I'm trying to modify in order to suit my problem: ... a bit more elegant and simple. See Question&Answers more detail:os...

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

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275 views

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r - Fast way to group variables based on direct and indirect similarities in multiple columns

I have a relatively large data set (1,750,000 lines, 5 columns) which contains records with unique ID values (first ... the grepl() in my 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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424 views

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r - Deleting tmp files

I read this post on how to delete tmp files. The solution in that post is: do.call(file.remove, list(list. ... do I delete all my tmp files? 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 - Convert scientific notation to numeric, preserving decimals

For some reason, when I convert a character column of numbers in scientific notation, the decimals aren't preserved. > ... ... What's going 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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443 views

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r - ggplot2 add a legend for several stat_functions

I see a lot of questions regarding how to customize legends, but I can't even get a legend to customize. I ... fun = myfun2, color="black") See Question&Answers more detail:os...

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

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370 views

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r - Order categorical data in a stacked bar plot with ggplot2

I have a matrix with the following entries: dput(MilDis[1:200,]) structure(list(hhDomMil = c("HED", "ETB", " ... : Thank you all 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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471 views

1 answer

r - Copy upper triangle to lower triangle for several matrices in a list

I want to copy the upper triangle to the lower triangle of a bunch of matrices stored in a list. Create a list of ... of matrix in the list "L" 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 - geom_line - different colour in the same line

hi I have a question on geom_line. what i want to do is, for the same line, have different colour segments ... , please give me some directions. See Question&Answers more detail:os...

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

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432 views

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r - How do I get discrete factor levels to be treated as continuous?

I have a data frame with columns initially labeled arbitrarily. Later on, I want to change these levels to numerical ... on the x-axis correct? See Question&Answers more detail:os...

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

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419 views

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r - Can you pass a vector to a vararg?: Vector to sprintf

Let's say I have a function that takes variable arguments, such as sprintf(). I want something like: sprintf("%s %s", ... in R. Is there a 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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576 views

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r - Freezing header and first column using data.table in Shiny

I have a Shiny app that yields a data table, but I can't freeze the first column and the headers, so ... tried searching but have found nothing. See Question&Answers more detail:os...

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

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361 views

1 answer

r - Replicate a list to create a list-of-lists

I am trying to create a list with the following (nested) structure: l <- list() for(i in seq(5)) l[[i]] ... How do I replicate a list-of-lists? See Question&Answers more detail:os...

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

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362 views

1 answer

r - rbindlist two data.tables where one has factor and other has character type for a column

I just discovered this warning in my script that was a bit strange. # Warning message: # In rbindlist( ... handling factor columns in rbindlist. See Question&Answers more detail:os...

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

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397 views

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r - Count the number of integer digits

I want to count the number of digits before the decimal point for a numeric vector x with numbers greater or equal ... any know how 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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298 views

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r - How to create a vector of functions?

I would like to create a vector of functions using a two agruments function 'func', for instance this one: func ... . Does anybody have an 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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270 views

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r - Extracting data used to make a smooth plot in mgcv

This thread from a couple of years ago describes how to extract data used to plot the smooth components of a ... problem, I'd be grateful. See Question&Answers more detail:os...

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

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484 views

1 answer

r - Replace a subset of a data frame with dplyr join operations

Suppose that I gave a treatment to some column values of a data frame like this: id animal weight height .. ... subset with the original set? See Question&Answers more detail:os...

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

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530 views

1 answer

r - Boxplot, how to match outliers' color to fill aesthetics?

I am trying to match boxplot's outliers color to the fill color which is set by aesthetic (scale_colour_discrete). ... ))) m + scale_y_log10() 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

1 answer

r - Is it possible to view an HTML table in the viewer pane?

I would like to know if there is any function which makes it easy to visualize an html object in the RStudio's ... table.attr = "class=nofluid") See Question&Answers more detail:os...

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

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582 views

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r - How to create .Renviron file?

I need to use my user defined folder where I stored my packages. I have referred the link given below. R ... How to change this file type? See Question&Answers more detail:os...

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

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1.5k views

1 answer

r - Error in get(as.character(FUN), mode = "function", envir = envir)

I am new to R, so forgive me if the question is a little silly. I am trying to write a simple ... help is greatly appreciated. Thanks! Claudia 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

1 answer

r - How can I add a line to one of the facets?

ggplot(all, aes(x=area, y=nq)) + geom_point(size=0.5) + geom_abline(data = levelnew, aes(intercept=log10(exp( ... panel. How can I 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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571 views

1 answer

r - Remove names from named vector and get only the values

I have a vector like below tmp <- c(a=1, b=2, c=3) a b c 1 2 3 I want to flatten this ... the same result. How to achieve that efficiently? 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

1 answer

r - How to efficiently read the first character from each line of a text file?

I'd like to read only the first character from each line of a text file, ignoring the rest. Here's an ... (Martin Morgan's readBin solution). See Question&Answers more detail:os...

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

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