Recent questions tagged R

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r - How to add arrows to forest plot in survminer (ggforest)

I was wondering if there was a way to add two arrows to the x-axis of a forest plot, similar to what ... "increased risk" and "decreased risk". See Question&Answers more detail:os...

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

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672 views

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r - Different x and y axis scales in multifaceted scatter ggplot2

I have used lemon package with ggplot2 for plotting multifaceted scatter plot with regression and confidence interval line ... for the 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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737 views

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r - Count number of time combination of events appear in dataframe columns ext

This is an extension of the question asked in Count number of times combination of events occurs in dataframe ... sense? 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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628 views

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r - make always rebuilds Makefile targets

I redesigned most of the Makefile files for my dissertation project in order to correctly reflect the workflow ( ... cleanup merge sample clean See Question&Answers more detail:os...

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

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622 views

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r - find First/ Last observation value by group?

I am trying to find the first/last observation by group. I tired both R and excel (because it is so slow in R so I ... 1]==i&dt[,2]==j,])}} See Question&Answers more detail:os...

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

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668 views

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r - Standard SQL in bigrquery

I'm trying to use R's bigrquery package to get some data from BigQuery into an R session. However, my ... using Standard rather than legacy SQL? See Question&Answers more detail:os...

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

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857 views

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r - Showing percentage in bars in ggplot

I have a dataset with binary variables like the one below. M4 = matrix(sample(1:2,20*5, replace=TRUE),20,5) ... . How can I manage this task? 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 - Force ggplot2 to apply a separate legend for each geom

In the chart below, the triangles mapped using geom_point are both in the same legend. Essentially, I would like each geom_ ... = 25, size = 3) 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 - My group by doesn't appear to be working in disk frames

I ran a group by on a large dataset (>20GB) and it doesn't appear to be working quite right This is ... are stored as data types character. See Question&Answers more detail:os...

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

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746 views

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r - From a set of pairs, find all subsets s.t. no pair in the subset shares any element with a pair not in the subset

I have a set of pairs. Each pair is represented as [i,1:2]. That is, the ith pair are the numbers ... rows, as demonstrated in the example. See Question&Answers more detail:os...

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

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950 views

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r - How to use multiple cores to make gganimate faster

My question is how can I utilize multiple cores of my iMac in order to make gganimate go faster. ... processing with animated ggplot2-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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725 views

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r - Frequency count for a specific category

I have a data set like this. a <- structure(list(Prone = c("M", "N", "N", "N", "M", "N", "M", "N", "M ... B B N 2 6 N C N Y 1 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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665 views

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r - removing duplicate units from data frame

I'm working on a large dataset with n covariates. Many of the rows are duplicates. In order to identify ... this without writing a function? See Question&Answers more detail:os...

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

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668 views

1 answer

r - Select rows from Data.table programmatically based on column criteria

I have a question on the way to select programmatically the rows from a data.table based on values from ... select rows in DT programmatically? See Question&Answers more detail:os...

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

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700 views

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r - How to merge two different groupings if they are not disjoint with dplyr

Suppose that I have two sets of identifiers id1 and id2 in a data frame. How can I create a new ... possible values in the id columns. See Question&Answers more detail:os...

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

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759 views

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r - Making contingency table

I'm having trouble with contingency table. I want to convert that kind of table: dat <- read.csv(text=" ... have table which look like 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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825 views

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r - Save facet_wrap() on multiple pages using ggforce/ggplus

I got this plot using the code below library(tidyverse) ggplot(df2, aes(x =Date, y = Sales, color = id) ... suggestions how I fix these errors? See Question&Answers more detail:os...

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

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825 views

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r - fastLm() is much slower than lm()

fastLm() is much slower than lm(). Basically, I just call lm() and fastLm() with the same formula and data, but ... DF, p-value: < 2.2e-16 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 - Is it yet possible to have different axis breaks / limits for individual facets in ggplot with free scale?

I saw that this related question was asked in 2010 (titled: How do you set different scale limits for different facets?) ... 0, 150, by = 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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822 views

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r - changing the JVM timezone in sparklyr

I am desperately trying to change the timezone of my JVM in Sparklyr (using spark 2.1.0). I want GMT ... America/New_York. Any ideas? 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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789 views

1 answer

r - ggplot2 identical scales (non-continuous) on both sides

Goal Use ggplot2 (latest version) to produce a graph that duplicates the x- or y-axis on both sides of the ... scale is datetime or time format. See Question&Answers more detail:os...

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

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831 views

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r - It is possible to read .Rdata file format from C or Fortran?

I'm working writing some R extensions on C (C functions to be called from R). My code needs to compute a ... to move from Rdata to HDF5. See Question&Answers more detail:os...

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

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635 views

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r - Conditionally replace values of multiple columns, from values of other multiple columns

Suppose I have this dataset: set.seed (1234); data.frame(cbind(a=rep(c("si","no"),30),b=rnorm(60)), c=rep( ... ~ifelse(.>1,vars([original]),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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601 views

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r - ClassNotFoundException for StatEt Eclipse plugin / RJ. Compatibility issue with Java9?

I installed RJ for StatEt with: > install.packages(c("rj", "rj.gd"), repos="http://download. ... /rj/installation.mframe?jump=rpkg-installation See Question&Answers more detail:os...

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

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918 views

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r - Mermaid diagrams not rendering correctly in Rmarkdown xaringan presentations

I am attempting to make some simple flowcharts in an Rmarkdown html presentation I am rendering with xaringan. ... drawing simple tree diagrams. See Question&Answers more detail:os...

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

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641 views

1 answer

r - Cloze question combining mchoice and num import in Moodle

I created a cloze question combining mchoice and num. However I cannot import the question in Moodle as it says Error ... `r format(0.01*p)` See Question&Answers more detail:os...

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

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642 views

1 answer

r - Used Variables in Tree

How can i get know which variables are actually used in a constructed tree? model = tree(status~., set. ... variables are actually used in? See Question&Answers more detail:os...

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

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786 views

1 answer

r - Merging multiple rows into single row

I've some problems with my data frame in R. My data frame looks something like this: ID TIME DAY URL_NAME ... or links to handle my problem. See Question&Answers more detail:os...

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

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