Recent questions tagged R

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r - Download All Files From a Folder on a Website

My question is in R how to download all the files on a website? I know how to do it one by one but not ... /geo/docs/maps-data/data/rel/t00t10/ 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 - Positioning Shiny widgets beside their headers

How can I position Shiny widgets (e.g. the dropdown box of selectInput()) besides their headers? I've been playing ... (input, output) { NULL }) See Question&Answers more detail:os...

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

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575 views

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r - Predicting Probabilities for GBM with caret library

A similar question was asked however the link in the answer points to random forest example, it doesn't seem ... TRUE TRUE TRUE TRUE TRUE TRUE 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 - ggplot: combining size and color in legend

I've only very recently started learning R. Now what I'm trying to do is to integrate two legends for the same ... what this looks like so far. 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 - ggplot2: More complex faceting

I have a heatmap that continues to become more and more complex. An example of the melted data: head( ... you need any additional information. 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 - Identify consecutive sequences based on a given variable

I am literally stuck on this. The df1 has the following variables: serial = Group of people id1 = the ... R - identify consecutive sequences 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 - Installing RcppEigen on amazon ec2

I tried to install RcppEigen on amazon EC2 (on a t1.micro to make sure It works) & ubuntu 13.04. I tried ... EC2? (Rcpp installs flawlessly....) 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 - Nested facet plot with ggplot2

If I have a nested factor, in this case I have multiple "Family" levels that are contained in the factor "Order", ... 5L), class = "data.frame") 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 - Axis labels for each bar and each group in bar charts with dodged groups

I would like to create a bar chart using ggplot2 with dodged groups and axis labels for both the bars (male, female) and ... ','G2','G3','G4')) 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 name the list of the group_split output in dplyr

I have the following process which uses group_split of dplyr: library(tidyverse) set.seed(1) iris %>% sample_n(size ... how to go about 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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r - rgdal installation difficulty on ubuntu 16.04 LTS

I searched for an answer helping my situation to avoid duplicate, but to no avail. I want to install 'rgdal' ... Any input will be 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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r - Extend axis limits without plotting (in order to align two plots by x-unit)

I am trying to combine two ggplot objects with patchwork - two plots with different subsets of data, but the same ... it would be very welcome. 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 convert a character string date to date class if day value is missing

I'm trying to convert the following dates to a time class in R. For some reason, I am getting NAs returned when a ... (TSd, format="%Y-%m-%d") See Question&Answers more detail:os...

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

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455 views

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r - Shutdown Windows after simulation

I want R to shutdown my computer after my (extensive) simulation and saving results, is this possible? See Question&Answers more detail:os...

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

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324 views

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r - Dealing with NAs when calculating mean (summarize_each) on group_by

I have a data frame md: md <- data.frame(x = c(3,5,4,5,3,5), y = c(5,5,5,4,4,1), z = c ... device2) %>% summarise_each(funs(mean, na.rm = TRUE)) See Question&Answers more detail:os...

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

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561 views

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r - Linear Interpolation using dplyr

I'm trying to use the na.approx() function from the zoo library (in conjunction with xts) to interpolate ... functions come from zoo package. See Question&Answers more detail:os...

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

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516 views

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r - ggplot pie chart labeling

I am struggling with getting the pie chart labels correct. Looked around and thought that I could easily ... labels correctly/user-friendly. See Question&Answers more detail:os...

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

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368 views

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r - Y axis won't start at 0 in ggplot

In this plot I order the ylim to be 0, but the y axis seems to start at -1 anyway, which is very ... no matter what the ymax is. Doable? 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 does one install 'rj' in StatET plugin for Eclipse?

I have started to try to use StatET and Texlipse with a view to producing SWEAVE reports. When ... helpful guidance gratefully received. See Question&Answers more detail:os...

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

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391 views

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r - which list element is being processed when using snowfall::sfLapply?

Assume we have a list (mylist) that is use as input object for a lapply function. Is there a way to know which element ... 1] "X[[1L]]" sfStop() See Question&Answers more detail:os...

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

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384 views

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r - assign colors to a range of values

A quick question, I have a vector with numbers, e.g: values <- c(0.104654225, 0.001781299, 0.343747296 ... like to map colours to numeric values 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 - add a vector to all rows of a matrix

I am maximizing a likelihood function and trying to reduce the loop. I want to add the vector(parameters to be estimated) to ... [6,] 2 3 1 1 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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r - Rcpp function crashes

My problem: I am using R.3.0.1 together with RStudio 0.97.551 on a 64bit Windows7 PC and I have begun to ... a-b-c); } Many thanks again! See Question&Answers more detail:os...

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

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318 views

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r - parallel parLapply setup

I am trying to use part of speech tagging from the openNLP/NLP packages in parallel. I need the code to work on ... 08-20 13:48:47 UTC; windows See Question&Answers more detail:os...

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

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639 views

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r - Error when plotting sf object --- Error: could not find function "geom_sf"

I'm currently running R Version 3.3.3 on Windows and have ggplot2 version 2.2.1 and the sf package version ... I might get this elusive package? See Question&Answers more detail:os...

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

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404 views

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r - Difference between backticks and quotes in aes function in ggplot

Ok, this is kind of an odd one. I was answering a question for a beginner around geom_histogram, and the ... (gpsq) more correctly yields 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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251 views

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r - Check to see if a value is within a range?

I have a dataset in a data.table format that looks as such: ID time.s time.e 1 1 2 2 1 4 3 2 ... I get is all TRUE values. Any recommendations? See Question&Answers more detail:os...

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

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238 views

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r - Why doesn't comparison between numeric and character variables give a warning?

I had a bug in my code resulting from an inadvertent comparison between a character variable and a numeric ... in the first comparison? See Question&Answers more detail:os...

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

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