Recent questions tagged R

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822 views

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r - How to get geom_vline to honor facet_wrap?

I've poked around, but been unable to find an answer. I want to do a weighted geom_bar plot overlaid with a ... ~ panel) + ylab("contrib") See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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561 views

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r - removing all the space between two ggplots combined with grid.arrange

I want to stick two plots without any space between theme (so they share one axis). Given: p1 <- qplot(1,1, ... , but can't figure it out. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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634 views

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r - How do I draw gridlines using abline() that are behind the data?

When I draw grid lines on a plot using abline() the grid lines are drawn over the data. Is there a way to draw ... be on top of the gray lines. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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401 views

1 answer

r - Remove 'search' option but leave 'search columns' option

I would like to remove 'global search' option from my application, but leave 'column search' option. Any ... helps to understand my problem: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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337 views

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r - Remove last N rows in data frame with the arbitrary number of rows

I have a data frame and I want to remove last N rows from it. If I want to remove 5 rows, I currently use the ... tac file | sed '1,5d' | tac See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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460 views

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r - How to import CSV into sqlite using RSqlite?

As question, I found that I can use .import in sqlite shell, but seems it is not working in R environment, any suggestions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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515 views

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r - Using lapply to change column names of a list of data frames

I'm trying to use lapply on a list of data frames; but failing at passing the parameters correctly (I think). ... object. Thanks in advance, p. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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438 views

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r - Predicted values for logistic regression from glm and stat_smooth in ggplot2 are different

I'm trying to make this logistic regression graph in ggplot2. df <- structure(list(y = c(2L, 7L, 776L, ... for your help and time. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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380 views

1 answer

r - ddply with lm() function

How can I use ddply function for linear model? x1 <- c(1:10, 1:10) x2 <- c(1:5, 1:5, 1:5 ... (NULL) for variable 'mydf$X1' Appreciate your help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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440 views

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r - How to fill NA with median?

Example data: set.seed(1) df <- data.frame(years=sort(rep(2005:2010, 12)), months=1:12, value=c(rnorm( ... previous values of the month of May. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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460 views

1 answer

r - Create tables with conditional formatting with RMarkdown + knitr

I have a data frame and I want to output this in an HTML file through knitr and RMarkdown as a table with ... image would be fine as well. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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432 views

1 answer

r - Smaller gap between two legends in one plot (e.g. color and size scale)

how do I reduce the gap between two guides in one plot. In the example below, the two guides are from a ... green line and the arrow smaller. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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486 views

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r - dependency ‘slam’ is not available when installing TM package

I was able to use the library(tm) in r without problem until today, when loading tm shows: library(tm) Loading ... ] parallel_3.2.4 tools_3.2.4 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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215 views

1 answer

r - Conditional assignment of one variable to the value of one of two other variables

I want to create a new variable that is equal to the value of one of two other variables, conditional on the values ... ), class = "data.frame") See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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336 views

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r - Warning in install.packages: unable to move temporary installation

I've found a number of questions related to this warning when installing or updating packages in R/RStudio, but none ... the edit to stay put. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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373 views

1 answer

r - Change stringsAsFactors settings for data.frame

I have a function in which I define a data.frame that I use loops to fill with data. At some point ... way to set the stringsAsFactors option? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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396 views

1 answer

r - figure captions, references using knitr and markdown to html

I'm writing an Rmd file, to be processed by knitr into HTML. It contains some R chunks that generate figures, ... in Figure 3, blah blah". See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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358 views

1 answer

r - Aesthetics must either be length one, or the same length as the dataProblems

I would like to make a plot with X values as a subset of the measurement and Y-values as another subset of ... is the result I am expecting: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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380 views

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r - cor shows only NA or 1 for correlations - Why?

I'm running cor() on a data.framewith all numeric values and I'm getting this as the result: price ... up instead of valid correlations? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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389 views

1 answer

r - Where should I put data for automated tests with testthat?

I am using Hadley's testthat-based approach for automated testing of my package. With this approach, what is the ... standard way to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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386 views

1 answer

r - How to reverse order a vector?

Suppose I have a vector v, how do I get its reverse, i.e. last element first? The first thing that comes ... make a big difference in my case. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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404 views

1 answer

r - Convert from lowercase to uppercase all values in all character variables in dataframe

I have a mixed dataframe of character and numeric variables. city,hs_cd,sl_no,col_01,col_02,col_03 Austin,1,2 ... over each character-variable? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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447 views

1 answer

r - Disregarding simple warnings/errors in tryCatch()

I'm a huge fan of tryCatch(). However, until today I never really paid attention to the distinction between simple ... AICc=1573.62 BIC=1587.91 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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534 views

1 answer

r - Fastest way for filling-in missing dates for data.table

I am loading a data.table from CSV file that has date, orders, amount etc. fields. The input file ... dealing with multi-year data. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

335 views

1 answer

r - passing parameters to ggplot

would like to create a function that generates graphs using ggplot. For the sake of simplicity, the typical ... with arbitrary data frames? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

903 views

1 answer

r - Create convex hull polygon from points and save as shapefile

Needing some help re a conversion problem in R. I've got calculated the convex hull of a cloud of points. ... . Thanks in advance, dev. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

611 views

1 answer

r - Align violin plots with dodged box plots

I have this data frame set.seed(1234) x <- rnorm(80, 5, 1) df <- data.frame(groups = c(rep(" ... tell ggplot to do such overlying? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

449 views

1 answer

r - Convert accented characters into ascii character

What is the optimal way to to remove German (or French) accents from a vector of 16 million string variables. e.g. ... but not a good one for R. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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