Recent questions tagged R

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Here's the relevant code: ggplot.3plus<-ggplot(summary.3plus, aes(x=sp1, y=fract.mean, fill=ForestAge)) + ... the color of the axis LABELS. 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 - Why are lubridate functions so slow when compared with as.POSIXct?

As the title goes. Why is the lubridate function so much slower? library(lubridate) library(microbenchmark) Dates <- ... .8422 214.3771 268.4911 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 - Simplest way to do parallel replicate

I am fond of the parallel package in R and how easy and intuitive it is to do parallel versions of ... similar parallel function for replicate? 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 save interactive charts from dygraph

I produce interactive graphs using dygraph. I can view them in the "Viewer" window in R studio and in a browser ... lattice_0.20-29 tools_3.1.0 See Question&Answers more detail:os...

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

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r - RSelenium behind proxy

I am trying to use RSelenium. Here is what I am doing: library(RSelenium) driver<- rsDriver(browser=c(" ... to selenium browser? Thank you 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 do I turn the numeric output of boxplot (with plot=FALSE) into something usable?

I'm successfully using the boxplot function to generate... boxplots. Now I need to generate tables containing ... beginner. 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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r - Extract survival probabilities in Survfit by groups

I am new to survival analysis and survfit in R. I want to extract survival probabilities for 4 groups (diseases) ... any help on this. SK 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 - Passing large matrices to RcppArmadillo function without creating copy (advanced constructors)

I want to pass a large matrix to a RcppArmadillo function (about 30,000*30,000) and have the feeling that this passing ... test(arma::mat M) {? 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 turn contour lines into filled contours?

Does anyone know of a way to turn the output of contourLines polygons in order to plot as filled contours, as ... } contour(volcano, add=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 - Plotting average of multiple variables in time-series using ggplot

I have a file which contains time-series data for multiple variables from a to k. I would like to create a ... ,group=variable)) + geom_line() 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 - Adding Total/Subtotal to the bottom of a DataTable in Shiny

I would like to be able to add a Total/Subtotal at the bottom of the dataframe created below, displayed as a ... ui = ui, server = server) 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 - Customize xtable

I'd like to customize xtable for export into LaTeX. I know there are some questions abot xtable here, but I ... ideas on how to achieve 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 - Faster reading of time series from netCDF?

I have some large netCDF files that contain 6 hourly data for the earth at 0.5 degree resolution. There are ... when using ncdf4::ncvar_get?) 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 - Writing the data frame to MySql DB table

How to write the data frame in R into MySQL? dateTime host authId sessionId status action 2012-08-22 14 ... and establish the connection. 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 - stratified splitting the data

I have a large data set and like to fit different logistic regression for each City, one of the column in my ... once i have the train data) See Question&Answers more detail:os...

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

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423 views

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r - Using a date field in a ts?

I wonder how I can make use of an already existing date field when creating a ts in R. Sometimes you ... monthly an quarterly time series... See Question&Answers more detail:os...

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

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364 views

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r - How do I generate a histogram for each column of my table?

I have a table of data with a column representing a lab value for each study subject (rows). I want to generate a ... -3). How do I do that? 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 a package offline from GitHub

I'm trying to port some packages to an R installation on an offline (Windows) computer. From CRAN (let's say ... "E:/data.table-master.zip"' See Question&Answers more detail:os...

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

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413 views

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r - How to replicate Knit HTML in a command line?

I know this question is similar to this one. But I couldn't get a solution there so posting it here again ... plot. Output: Knit HTML knit2html 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: how to remove slash from geom_density legend

I'm trying to plot some overlapping density plots in ggplot2. I'm running into a problem where I cannot remove the ... can I do to solve 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 - Increase plot size (width) in ggplot2

Below is a plot that I want to include in a paper. The problem is the width of my plot which is to small ( ... to add/delete/modify in my code ? See Question&Answers more detail:os...

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

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425 views

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r - How to interpret lm() coefficient estimates when using bs() function for splines

I'm using a set of points which go from (-5,5) to (0,0) and (5,5) in a "symmetric V-shape". ... bs model prediction values are exact the same. See Question&Answers more detail:os...

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

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387 views

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r - Round vector of numerics to integer while preserving their sum

How to round floats to integers while preserving their sum? has the below answer written in pseudocode, which rounds a ... array(sort, "index") 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 - How to recreate same DocumentTermMatrix with new (test) data

Suppose I have text based training data and testing data. To be more specific, I have two data sets - ... new corpus. Any ideas/thoughts? See Question&Answers more detail:os...

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

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347 views

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r - How can I make a heatmap with a large matrix?

I have a 1000*1000 matrix (which only includes integer 0 and 1), but when I tried to make a heatmap, an ... a heatmap with such a large matrix? See Question&Answers more detail:os...

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

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618 views

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r - Center-align legend title and legend keys in ggplot2 for long legend titles

I am having a hard time making the title of a legend center-aligned relative to the legend keys when ... for a continuous colorscale palette. 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

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r - Convert ggplot object to plotly in shiny application

I am trying to convert a ggplot object to plotly and show it in a shiny application. But I encountered an ... + theme_gdocs() ggplotly() }) See Question&Answers more detail:os...

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

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629 views

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r - How to plot 3D scatter diagram using ggplot?

I tried to use the plotly package, but it is not working in my case at all. The ggplot package is working for ... and get the 3D plot in 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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