Recent questions tagged R

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r - How to find all attached data frames?

When I attach a data.frame in R studio, I get this message: The following objects are masked from...... ... frames with one command or 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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r - Printing any number of dataframes stored in list as paged tables in rmarkdown

I often want to print out the dataframes contained in a list as paged tables in my rmarkdown documents. Calling ... rmarkdown::paged_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 - Different results from dplyr filter starting with identical data

When I tried to answer this question, I came across some very strange behavior. Below I define the same data twice, ... Rcpp_0.11.4 tools_3.1.2 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 - Lines connecting jittered points - dodging by multiple groups

I try to connect jittered points between measurements from two different methods (measure) on an x-axis. These ... pat? Thanks a lot. 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 - Using ggsignif with grouped bar graphs and facet_wrap not working

I am trying to use ggsignif for displaying significant stars in top of paired bar graphs using facet_wrap ... its individual significance label? 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 - geom_area produces blank areas between layers

I have the following data in data.frame tbl: library(tibble) tbl <- structure(list( year = c(2007, 2008, ... the whole point of geom_area... 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 - Group variable based on continuous values

I have such a data frame with annual data, however, for some years there is no data (here: 1956, 1961-1964). dat <- ... , max(Year), sep = "-")) 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 - glmer models in Rstudio run but show <Object with null pointer> in the global environment

I am using RStudio to create some logistic regression models based on data I collected. I created several ... whatever else is needed. 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 you scrape items together so you don't lose the index?

I am doing some basic webscraping with RVest and am getting results to return, however the data isnt lining up ... loc), stringsAsFactors=F ) } 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 - cv.glm variable lengths differ

I am trying to cv.glm on a linear model however each time I do I get the error Error in model.frame.default ... solution. Any ideas? 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 - Using syntactically difficult strings as column names in a data frame

I'm working with a data frame similar to the extract below: df <- data.frame(A=c("Some messy string ... empty spaces or special characters). 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 - Column index with row-wise maximum value

I have the following data: Newspaper Month Year Date Topic1 Topic2 Topic3 Topic4 Topic5 1 Scotsman December 2005 December ... be 3. Any idea? 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 - Vectorize the assign function and create objects in global environment

I would like to vectorize the assign function and create a set of arguments reflecting provided named vector that ... names in .GlobalEnv. 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 - Regex match exact number of letters

Let's say I want to find all words in which letter "e" appears exactly two times. When I define this pattern: ... appearances of a letter "e". 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 - html_table dont work with long row

I am trying to extract the table that is on the page Using html_table and rvest, However the first text, ... format. Any help is 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 - Optimizing add_trace() in a for loop?

I'm using the add_trace() function in a for loop to create lines for a 3d network graph in plotly ... function itself. Any suggestions? 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 - Not understanding the behavior of ..density

In the dataframe below, I would expect the y axis values for density be 0.6 and 0.4, yet they are 1.0. I feel ... = ..density..)) Thanks, --JT 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 `data.table::unique` doesn't work?

help(unique) shows that unique function is present in two packages - base and data.table. I would like to use ... well. What is wrong here? 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 a Highcharter plot as an image on local disk?

hc %>% hc_add_series(name = "London", data = citytemp$london, type = "area") %>% hc_rm_series(name = "New York") ... = 400) print(hc) dev.off() 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 - Disabling partial variable names in subsetting data frames

I have just discovered that R will allow me to use partial variable names to subset data frames, as long as ... NULL Any way to change 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 - Loop for glm model with changing number of variables

I have a dataset with 1-3 versions of the dependent variable, and 10-15 independent variables. I'd ... Any suggestions would 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 - Forcing nls to fit a curve passing through a specified point

I'm trying to fit a Boltzmann sigmoid 1/(1+exp((x-p1)/p2)) to this small experimental dataset: xdata <- c(-60 ... , for instance (-50, 0.09). 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 - Rmarkdown and Shiny input

I'm attempting my first Markdown doc and everything has been going smoothly until I get the error "Error in ... the ggplot does not help TIA 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 - list data.tables in memory and combine by row (rbind)

I have many data.tables in memory with names following a specific pattern (e.g.: RE_1, RE_2... CO_1, CO_2.. ... of data.tables (or data frames)? 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 - Add two dataframes; same dimension; different order column

I have a dataframe, df1: Type CA AR Total alpha 2 3 5 beta 1 5 6 gamma 6 2 8 delta 8 1 9 and a dataframe, df2: ... : (AR, gamma) = 2 + 9 = 11 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 - Given a vector, return a list of all combinations up to size n

I'm trying to write a function in R that, given a vector and a maximum size n, will return all the ... into a single list. Any suggestions? See Question&Answers more detail:os...

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

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1.1k views

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r - How to add new column from list column value

How to unlist list column and add new column from unlist column value in data frame.Can you please find my df below ... ), 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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1.0k views

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r - Assign data frame name to list elements using name vector

I have a data frame, 'mydata': head(mydata) ID MDC 000001 21A 000002 5 000003 8 ... I've split my ... MDC values to the list elements? 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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