Recent questions tagged R

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r - Selecting multiple columns in data frame using partial column name

I have a data frame, DF, and the column names all contain color names: red_balloons green_balloons red_balls ... will be used 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 - ggplot2 issue: graph text shown with weird unicode blocks

I have got the following problem: When I plot anything with ggplot2 like this # Libraries library(ggplot2) # ... ggplot work properly again. 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 - ggplot aes_string does not work inside a function

Using example given on this page: ggplot inside function not working despite deparse(substitute , I tried to use ... . Thanks for your 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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r - Dataframe processing

I have a dataframe, which I read by Match <- read.table("Match.txt", sep="", fill =T, stringsAsFactors = FALSE, ... 76L), 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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r - Using If else conditions on Vectors

I am having issues with the following piece of logic. Basically, i have a data frame of stocks for MS and Apple ... >120) print("Ignore") } 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 - Change level of multiple factor variables

everyone - I want to preface this by saying that I already looked at this link to try to solve my problem: ... of asking for help. 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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298 views

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r - Keep before and after date of an external list

Having this dataframe: dframe1 <- structure(list(id = c(1L, 1L, 1L, 2L, 2L), name = c("Google", "Yahoo", ... text 2 2008-11-03 Google text 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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476 views

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r - Removing unicode symbols from column names

I am trying to grab some statistics from the fifa.com by using XML package. The import is successful ... remove those extra unicode 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 - generate id for each group with repeated and missing observations

I have a dataset with individuals observed over several weeks. Some individuals have no observations in some weeks, ... pp = row_number(week)) 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 can I plot multiple residuals plots in a loop?

In the following example, I want to write the residuals plot of each model in a file. I do not need to see ... the loop. 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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354 views

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r - How to manually set colors in a bar chart

Currently the default colors for the below bar chart are Apct = Red , BPct = Green, CPct = Blue. How do I ... APct the top bar? 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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467 views

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r - `cv.glmnet` works in RStudio but not RScript

The following commands work fine in RStudio, but not RScript: require(glmnet) calibdata = read.csv("calibrationfile.csv ... to work in RScript? 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 - Create all subvectors of a certain length (moving window)

I have a vector vec <- c(1,2,3,4,5) What is the best way to retrieve all subvectors of a given length? For ... 4 3,4,5 Thank you for your 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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377 views

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r - scale_color_manual colors won't change

I am trying to change the colors in a plot manually but My code with dummydata: df2=data.frame(y=runif(10 ... the colors to my manual selection? See Question&Answers more detail:os...

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

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391 views

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r - Aggregating monthly column values into quarterly values

Hello Everybody I am pretty much completely new to R and any help is greatly appreciated. I have the following ... you can help me! Regards See Question&Answers more detail:os...

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

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639 views

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r - align points and error bars in ggplot when using `jitterdodge`

The reproducible data below contains 50 observations for each animal (cat and dog) for each season (Summer and Winter) for ... c("blue", "red")) 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 produce time series for each row of a data frame with an unnamed first column

So this is I'm sure a fairly elementary problem. I have a data frame that has data for 10 years for a ... . Sorry if this is so elementary. See Question&Answers more detail:os...

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

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333 views

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r - How to convert all column data type to numeric and character dynamically?

I convert my columns data type manually: data[,'particles'] <- as.numeric(as.character(data[,'particles'] ... , humidity, timestamp, date. See Question&Answers more detail:os...

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

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510 views

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r - Replacing for loop with foreach loop

I want to parellelize my code so that I can utilize all the cores. Therefore, I want to replace the for ... Your help will be much 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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336 views

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r - Equivalent of which in scraping?

I'm trying to run some scraping where the action I take on a node is conditional on the contents of the node. ... 1] "Really Long Text" "Short" See Question&Answers more detail:os...

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

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412 views

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r - multiply all the columns in a data.frame by the first

I need to multiply each column in a data.frameby the values in first column (classfactor). This is my data. ... how to do. 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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455 views

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r - Converting 1M to 1000000 elegantly

I want to convert: library(data.table) market.cap <- data.table(cap=c("1B", "10M", "2M")) cap 1 1B 2 ... = na.omit(market.cap$cap1)) rbind(M,B) 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 - Sequentially Rename 100+ Columns Having Idiosyncratic Names

I have a large data frame imported from a Google Forms survey with very long column names (basically, the column names ... such as Q1, Q2, etc. See Question&Answers more detail:os...

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

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744 views

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r - How to do a GLM when "contrasts can be applied only to factors with 2 or more levels"?

I want to do a regression in R using glm, but is there a way to do it since I get the contrasts error. ... only to factors with 2 or more levels See Question&Answers more detail:os...

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

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648 views

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r - Pre-select rows of a dynamic DT in shiny

This question is the more dynamic version of this. I have a DT in shiny app that could be empty at ... the 2nd, 3rd version work? See Question&Answers more detail:os...

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

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320 views

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r - Obtaining twitter screen names from a twitter list

I am keen to get a list of usernames and fullnames names from a specific twitter list using R. I could ... this would also be welcome cheers See Question&Answers more detail:os...

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

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309 views

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r - lapply with anonymous function call to svytable results in object 'x' not found

I have a survey data set that I'm creating contingency tables for. Each column in the data frame is a question and ... , dat_weight),2),3)*100) See Question&Answers more detail:os...

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

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294 views

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r - Selecting multiple parts of a list

I have a data frame with 100 entries, and I want to get a fields value for a subset of the entries. ... size of the data frame changes. See Question&Answers more detail:os...

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

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