Recent questions tagged r

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r - Rcpp warning: "directory not found for option '-L/usr/local/Cellar/gfortran/4.8.2/gfortran'"

This question relates to some others out there, like RccpArmadillo or element-wise-multiplication. However, my ... advance for your time! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Plots with good resolution for printing and screen display

I was making my plots using dev.new(width=5.8, height=3) par(mfrow=c(1,3),mar=c(1,1,2,1),oma ... any help will be very much appreciated! Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - ggplot: Boxplot of multiple column values

Here is the type of data that I'm importing as a csv file: RPID mm ID Time Freq Freq.1 Freq.2 ... Any help would be greatly appreciated ! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Fastest way to read in 100,000 .dat.gz files

I have a few hundred thousand very small .dat.gz files that I want to read into R in the most efficient way ... 2/3rd of the function time. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Can ggplot theme formatting be saved as an object?

TL;DR: How do I save the plotting axis text and sizes and et cetera an object to make my code shorter? ... philosophy that ggplot was built on? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Check if each row of a data frame is contained in another data frame

I wrote the following function, it works. However it is very slow when df1 has 1700 rows, and df2 has 70000 rows ... ). Thank you for your help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Multiple functions in a single tapply or aggregate statement

Is it possible to include two functions within a single tapply or aggregate statement? Below I use two tapply ... , it would be perfect. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Categorical bubble plot for mapping studies

How to create a categorical bubble plot, using GNU R, similar to that used in systematic mapping studies (see ... dashed grid lines are missing. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Transposing data frames

Happy Weekends. I've been trying to replicate the results from this blog post in R. I am looking for a method of ... 4L), class = "data.frame") See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Combining multiple complex plots as panels in a single figure

Introduction by @backlin Multiple simple plots can combined as panels in a single figure by using layout or par(mfrow=. ... ? Thank you so much! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - ggplot2: Splitting facet/strip text into two lines

Consider the following ggplot2 graph with long facet/strip text broken in two lines. The text goes outside the area ... the strip text area ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How to not display number as exponent?

I see a lot of articles about how to change the decimal precision in R. But is there some way to get R ... of showing something like 9e+08? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Warning message: "missing values in resampled performance measures" in caret train() using rpart

I am using the caret package to train a model with "rpart" package; tr = train(y ~ ., data = trainingDATA, ... , so it is just my curiosity. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Apply function to each column in a data frame observing each columns existing data type

I'm trying to get the min/max for each column in a large data frame, as part of getting to know my data ... each column can be a different type. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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397 views

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r - How to pass strings denoting expressions to dplyr 0.7 verbs?

I would like to understand how to pass strings representing expressions into dplyr, so that the variables mentioned in ... just a column name. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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344 views

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r - How to format data for plotly sunburst diagram

I'm trying to make an sunburst diagram using Plotly via R. I'm struggling with the data model required for ... for the plotly sunburst diagram. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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385 views

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r - Excel Cell Coloring using xlsx

Initial code: Lets assume we're using this command to create the dummy data: Data <- data.frame( X = paste ... colored. Thank you in advance, See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

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r - converting a matrix to a list

Suppose I have a matrix foo as follows: foo <- cbind(c(1,2,3), c(15,16,17)) > foo [,1] [,2] [1, ... within a list, which I'm hoping to avoid. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Highlight (shade) plot background in specific time range

On a generic plot, with time on the x-axis, I would like to highlight a period of some specific years. How ... /1950 until 12/1950 for example. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How to self join a data.table on a condition

I want to add a new column to my data.table. This column should contain the sum of another column of all rows ... to do this in a clever way? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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421 views

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r - Use loop to generate section of text in rmarkdown

I need to produce a report that is composed of several sections, all sections look similar, with only some differences ... here <$php } ?> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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484 views

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r - Coloring boxplot outlier points in ggplot2?

How can I color the outlier points in ggplot2? I want them to be the same color as the boxplot itself. colour ... , outlier.colour=factor(cyl))) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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282 views

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r - ggplot2 axis transformation by constant factor

In a ggplot2 density plot (geom_density) I have the following y-axis labels 0.000 0.005 0.010 0.015 0 ... , or define a custom transform. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Convert hours:minutes:seconds to minutes

I have a vector "Time.Training" in the format hours:minutes:seconds (e.g. Time.Training <- c("1:00:00", " ... doing this in R. Many thanks. Matt See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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506 views

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r - could not find function inside foreach loop

I'm trying to use foreach to do multicore computing in R. A <-function(....) { foreach(i=1:10) ... Why cant R find this defined function? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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274 views

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r - set date range in ggplot

my data frame is z: library(ggplot2); library(scales) z <- structure(list(Month = structure(c(14975, 15095, 15156, ... to 1/1/2013 in ggplot? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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269 views

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r - Setting the color for an individual data point

How can I set the colour for a single data point in a scatter plot in R? I am using plot See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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324 views

1 answer

r - How to use a variable in dplyr::filter?

I have a variable with the same name as a column in a dataframe: df <- data.frame(a=c(1,2,3), b ... filter that b refers to an outside variable. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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