Recent questions tagged R

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r - Why are Xs added to data frame variable names when using read.csv?

When I use the read.csv() function in R to load data, I often find that an X has been added to variable names. ... row(s) affected)",..: 105845 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 is mean() so slow?

Everything is in the question! I just tried to do a bit of optimization, and nailing down the bottle necks, out ... and thus a good use case? 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 display widgets inline in shiny

I have the below code to display the widgets inline(in same row) in shiny div(style="display:inline-block ... way to correct this misalignment? 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 : Adding two errorbars to each point in scatterplot

I need to plot two error-bars on each point in a scatterplot. The usual is vertical error-bars that corresponds ... way to do it with ggplot2? 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 is the difference between names and colnames

I just want to understand if there is a difference between names and colnames when working with data.frame. Both ... subsitute one by the other? See Question&Answers more detail:os...

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

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370 views

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r - Why does median trip up data.table (integer versus double)?

I have a data.table called enc.per.day for encounters per day. It has 2403 rows in which a date of service ... NAs anywhere in the data.table. 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 - Fixing set.seed for an entire session

I am using R to construct an agent based model with a monte carlo process. This means I got many functions that use a random ... 3)) # [1] 3 8 4 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 change the NA color from gray to white in a ggplot choropleth map?

I am trying to create a choropleth map of the US that has the default color changed from gray to white. ... theme(panel.border= element_blank()) 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 not run an example using roxygen2?

I'm writing a geocoding function right now that relies on having a Bing Maps Key. Obviously I'd rather not ... it executed during R CMD check? 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 is stat = "identity" necessary in geom_bar in ggplot?

From this question we see a simple geom_line in the answer. library(dplyr) BactData %>% filter(year(Date) == ... purpose of stat = "identity"? 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 - Email dataframe as table in email body with SendMailR

I am trying to send a dataframe with SendMailR. I can send it as an attachment with reasonably good formatting. ... me in the right direction? 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 plot logit and probit in ggplot2

This is almost surely a newbish question/ For the dataset below I have been trying to plot both the logit and ... on the same graph? 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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334 views

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r - dropdown boxes in RSelenium

How can one interact with dropdown boxes in RSelenium? In particular, I can select the dropdown box using findElement ... an option with it? See Question&Answers more detail:os...

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

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397 views

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r - Shiny - Can dynamically generated buttons act as trigger for an event

I have a shiny code that generates actions buttons from a numericInput and each of those actions buttons generate a ... } shinyApp(ui, 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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305 views

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r - Reading objects from shiny output object not allowed?

I'm trying to write a little app that will allow the user to make a scatterplot, select a subset of points on ... } ) } shinyApp(ui, 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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649 views

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r - Restart Shiny Session

This seems like a very obvious question but I haven't found anything on the subject. How can I refresh ... the above suspend-session 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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339 views

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r - Update graph/plot with fixed interval of time

I have a plot in Shiny UI. If I change any input parameter and through reactivity plot will change. But let's ... find out how to 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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620 views

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r - dplyr summarise multiple columns using t.test

Is it possible somehow to do a t.test over multiple variables against the same categorical variable without going ... of the grouping variable? See Question&Answers more detail:os...

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

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446 views

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r - Minimal example of rpy2 regression using pandas data frame

What is the recommended way (if any) for doing linear regression using a pandas dataframe? I can do it, but ... 'pandas.core.series.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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443 views

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r - ggplot2: Different legend symbols for points and lines

already searched all related threads about this but could not find a solution. Here is my code and the attached plot result: ... 3", "LAI 7-4")) See Question&Answers more detail:os...

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

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444 views

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r - Knitr ignoring fig.pos?

I am trying to insert a figure in a RMarkdown document but am having trouble getting it to appear in the right ... 0 digest_0.6.12 evaluate_0.10 See Question&Answers more detail:os...

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

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654 views

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r - ggplot2: geom_text() with facet_grid()?

I just want to add annotation to each panel of figures generated by ggplot2; just simple labels like (a), (b), ... a simple way to do 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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366 views

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r - Avoid that space in column name is replaced with period (".") when using read.csv()

I am using R to do some data pre-processing, and here is the problem that I am faced with: I input the ... which is not what I am expecting. See Question&Answers more detail:os...

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

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517 views

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r - sendmailR (Part2): Sending files as mail attachments

Following the directions provided in this related question, I was able to send html formated mail messages. Now the ... 8; format=flowed"))) See Question&Answers more detail:os...

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

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434 views

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r - Colorize Clusters in Dendogram with ggplot2

Didzis Elferts showed how to plot a dendogram using ggplot2 and ggdendro: horizontal dendrogram in R with labels here ... (k=2) colorized? See Question&Answers more detail:os...

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

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371 views

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r - Plot a data frame as a table

I am moving away from Word/Excel tables and trying to generate a table in R. I have a data frame that I' ... plot with the table under it. See Question&Answers more detail:os...

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

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410 views

1 answer

r - change color of only one bar in ggplot

I want to color only one bar in ggplot. This is my data frame: area <- c("Pó?noc", "Po?udnie", "Wschód ... of bars to put them instead of black? See Question&Answers more detail:os...

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

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499 views

1 answer

r - Plotting multiple curves same graph and same scale

This is a follow-up of this question. I wanted to plot multiple curves on the same graph but so that ... scale when plotting the second graph. See Question&Answers more detail:os...

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

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