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    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...
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    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...
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    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...
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    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...
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    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...
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    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...
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    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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    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...
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    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...
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    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...
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    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...
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    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...
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    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...
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    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...
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    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...
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    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...
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    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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    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...
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    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...
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    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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    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...
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    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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    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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    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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    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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    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...
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    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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    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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