Recent questions tagged R

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r - changing multiple line title in multiplot ggplot2 using grid.arrange

I have followed the advice on the discussion changing title in multiplot ggplot2 using grid.arrange but my 2-line ... fontsize=20)) Thanks Carol See Question&Answers more detail:os...

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

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817 views

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r - Unable to run Two-way repeated measures ANOVA; 0 (non-NA) cases

I am trying to follow the tutorial by Datanovia for Two-way repeated measures ANOVA. A quick overview of my dataset: I ... : # 0 (non-NA) cases See Question&Answers more detail:os...

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

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667 views

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r - adding a column with TRUE/FALSE and showing that as a checkbox

I have a column with TRUE or FALSE values data("mtcars") mtcars$Favorite <- "FALSE" I am interested in ... any help is much 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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691 views

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r - ggplot2 merge color and fill legends

I want to merge two legends in ggplot2. I use the following code: ggplot(dat_ribbon, aes(x = x)) + geom_ribbon( ... 10 0.39791453 10 0.5999168") See Question&Answers more detail:os...

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

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609 views

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r - Multiple ggplots in for loop

I produced multiple plots using the following code: set.seed(12345) a <- data.frame(Glabel=LETTERS[1:7], ... possible graphs in ggplot2. 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 - What reshaping problems can melt/cast not solve in a single step?

reshape2 is a package which allows an powerful array of data transformations, through its two-part melt/cast approach. However, like all ... 543", "$2,552", "$2,562", "$2,575",...

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

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888 views

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r - How to plot stacked point histograms?

What's the ggplot2 equivalent of "dotplot" histograms? With stacked points instead of bars? Similar to this ... make a histogram shape.) See Question&Answers more detail:os...

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

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652 views

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r - How to use the lambda argument of smooth.spline in RPy WITHOUT Python interprating it as lambda

I want to use the natural cubic smoothing splines smooth.spline from R in Python (like som many others want ... want to control lambda directly. 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 use data.table to efficiently calculate allele frequencies (proportions) by group across multiple columns (loci)

I have a data.table of allele identities (rows are individuals, columns are loci), grouped by a separate column. I want to ... G A C 2: T C G See Question&Answers more detail:os...

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

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962 views

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r - Adjust height of dashboardheader in shinydashboard

I would like to know how can I adjust the height of dashboardheader in shinydashboard dashboardHeader( title = ... the full logo. 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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503 views

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r - Join one data frame to another by membership in a range

I have two data frames that look like something like the following: df1 <- data.frame(time=seq(0.0, ... hundreds of thousands of rows involved. See Question&Answers more detail:os...

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

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612 views

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r - Break Y-Axis in ggplot2

This is like a similar question that I posted two years ago. I have the following dataset. dat <- read.table(header= ... like 0-3, break, 7-8. See Question&Answers more detail:os...

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

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633 views

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r - Message error 'C:/Program' not found with Rcpp

I'm running a 64-bit Windows 7 platform. I have added to my installed programs/libraries: Rtools R (software) Rcpp ... help me a bit, please? 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 - Metaprogramming with ggplot2

I've been trying to cut down on the amount of copying and pasting required to make a large number of charts with ... 't facet by them in ggplot. See Question&Answers more detail:os...

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

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820 views

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r - Difference between paste and print (affecting result of function)

To start off, I'm not really sure what the difference between paste and print is. But I am using "print" to ... such a thing as a paste.noquote? See Question&Answers more detail:os...

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

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549 views

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r - How to generate a linear combination of variables and update table using data.table in a loop call?

Some toy data set.seed(123) df <- data.frame(what_ever = rnorm(5, 50, 1), this_is = rnorm(5, 30, 1 ... DT[,eval(New_Var_names) := eval(New_Var)] See Question&Answers more detail:os...

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

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556 views

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r - Make a matrix symmetric

I have a matrix that should be symmetric according to theory, but might not be observed as symmetric in my data. ... to change to be symmetric. See Question&Answers more detail:os...

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

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1.6k views

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r - Error in eval(predvars, data, env) : object 'Rm' not found

dataset = read.csv('dataset/housing.header.binary.txt') dataset1 = dataset[6] #higest positive correlation dataset2 ... test_set is a dataframe. See Question&Answers more detail:os...

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

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510 views

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r - Split a set into n unequal subsets with the key deciding factor being that the elements in the subset aggregate and equal a predetermined amount?

I am looking towards a set of numbers and aiming to split them into subsets via set partitioning. The ... inefficient. Thanks in advance! See Question&Answers more detail:os...

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

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671 views

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r - Gather multiple date/value columns using tidyr

I have a data set containing (amongst others) multiple columns with dates and corresponding values (repeated ... 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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602 views

1 answer

r - Rounding the numeric values in a dplyr tbl_df upon printing

I'm trying to keep the true values in a dplyr table (tbl_df) but display rounded versions. I feel like there must be ... +26 3.43e+26 1.25e+26 See Question&Answers more detail:os...

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

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691 views

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r - Use dplyr's group_by to perform split-apply-combine

I am trying to use dplyr to do the following: tapply(iris$Petal.Length, iris$Species, shapiro.test) I want to ... Petal.Lengths of each Species? See Question&Answers more detail:os...

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

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572 views

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r - Simulating correlated Bernoulli data

I want to simulate 100 data with 5 columns. I want to get a correlation of 0.5 between the columns. To complete it, I ... , 1,.5),ncol(5), F1) See Question&Answers more detail:os...

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

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536 views

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r - Subset time series so that selected rows differs by a certain minimum time

I'm using a data.table in R to store a time series. I want to return a subset such that successive ... express this using data.tables indexing. See Question&Answers more detail:os...

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

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589 views

1 answer

r - Error when trying to deploy to shinyapps.io: Application depends on package "package" but it is not

My server.R contains the following code for dynamically installing packages when needed: package <- input$chip if ... unable to install packages See Question&Answers more detail:os...

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

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733 views

1 answer

r - When does the argument go inside or outside aes()?

I am following Chapter 1 of Wickham and Grolemund's "R for data science" on visualization. I have tried: ... answer however still escapes 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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745 views

1 answer

r - How to jitter lines in ggplot2

Say I have the following data and plot: require(reshape2) require(ggplot2) data <- data.frame(id=seq(1,9,1), ... know that there are 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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1.1k views

1 answer

r - How to change color palette of mosaic plot

I have following data and code: > mat <- matrix(c(120,230,84,70,130,83,13,26,18),3) > dimnames(mat) ... can I change fill color for above plot? See Question&Answers more detail:os...

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

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