Recent questions tagged R

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r - Fill missing values in the data.frame with the data from the same data frame

I'm trying to backfill a fully outerjoined table with nearest preceding column data. The data frame I have looks ... I use to achieve 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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736 views

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r - RStudio Viewer Pane not working?

I have been trying to learn R to work on some network analysis. I found the networkD3 package and ran ... ) # Plot simpleNetwork(networkData) See Question&Answers more detail:os...

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

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711 views

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r - How to plot grid plots on a same page?

I am using a package (treemap) that uses grid package to produce a treemap. However, I would like to plot ... but the development version does. See Question&Answers more detail:os...

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

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551 views

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r - Using RecordLinkage to add a column with a number for each person

I'd like to do what I think is a very simple operation -- adding a column with a number for each ... results <- cbind(classify$pairs,match) See Question&Answers more detail:os...

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

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753 views

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r - Is it possible to use stat_function by group?

Following with the answer to my previous question, let's say that I am plotting density curves by group with ... it had no effect. 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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800 views

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r - Bars to be plotted over map

I want to draw barchart over map as on this page: http://docs.oracle.com/cd/E16162_01/web.1112/ ... specified for graphical parameter "plt" See Question&Answers more detail:os...

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

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488 views

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r - Order dataframe for given columns

I have data similar to these: data <- data.frame(x1=rexp(10,2),y1=rnorm(10,1),x2=rexp(10,2),y2=rnorm( ... order, yet I cannot make it 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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776 views

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r - Loop linear regression and saving coefficients

This is part of the dataset (named "ME1") I'm using (all variables are numeric): Year AgeR rateM 1 1751 ... something else. Can someone help me? See Question&Answers more detail:os...

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

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604 views

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r - ggplot and axis numbers and labels

i tried to build the following sample plot (see here for an example of a CIELAB Color Wheel). It is nearly finished, ... 3, vjust=0,hjust=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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564 views

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r - ggplot2: Making changes to symbols in the legend

I'm having a problem making the symbols in the legend of my plot match those in the plot itself. Suppose ... work quite right. 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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550 views

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r - convert utf8 code point strings like <U+0161> to utf8

I have a text file which contains some kind of fallback conversions of Unicode characters (the Unicode code points ... supported UTF-8 locale. See Question&Answers more detail:os...

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

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532 views

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r - small ggplot object (1 mb) turns into 7 gigabyte .Rdata object when saved

I have a series of ggplot objects that I'm trying to save to an .rdata file to load into a Markdown ... mcmsy, file = 'mcmsy_plot.rdata') See Question&Answers more detail:os...

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

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496 views

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r - Math mode in shiny table

Using withMathJax, I would like to render a table with rownames with some math expressions. Here is a basic example ... ) } 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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546 views

1 answer

r - Quickest way to read a subset of rows of a CSV

I have a 5GB csv with 2 million rows. The header are comma separated strings and each row are comma ... the rows. Just approximately 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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561 views

1 answer

r - ggplot2 boxplots by week

This code produces a single boxplot: df <- data.frame(value = rnorm(62), my.date = seq(as.Date("2013- ... either ggplot() or scale_x_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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600 views

1 answer

r - ggplot2: Making changes to symbols in the legend

I'm having a problem making the symbols in the legend of my plot match those in the plot itself. Suppose ... work quite right. Any suggestions? See Question&Answers more detail:os...

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

0 votes

492 views

1 answer

r - ggplot2 boxplots by week

This code produces a single boxplot: df <- data.frame(value = rnorm(62), my.date = seq(as.Date("2013- ... either ggplot() or scale_x_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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576 views

1 answer

r - Is there more efficient or concise way to use tidyr::gather to make my data look 'tidy'?

I am new to using tidyverse. I want to see if I am being as efficient/concise as possible using the ... lines or more efficiently? 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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583 views

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r - How to extract coefficients' standard error from an "aov" model

I did a aov model and I just want to extract the standard errors of each coefficient. model <- aov(Molecule ~ ... find what I want. 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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735 views

1 answer

r - Plot the intensity of a continuous with geom_tile in ggplot

I'm trying to plot a continuous variable on space. I saw this example that gets the same result that I need: ... x=y,fill=value))+geom_point() See Question&Answers more detail:os...

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

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693 views

1 answer

r - RSelenium on docker: where are files downloaded?

I am using Selenium using a docker image: require(RSelenium) if (length(system("docker ps -l", intern = TRUE) ... = ePrefs, port = 4445) See Question&Answers more detail:os...

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

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745 views

1 answer

r - Offset geom_segment in ggplot

I'm trying to build a network plot in ggplot. Two things: 1) I need to put the nodes at specific (x, ... gonna happen. 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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703 views

1 answer

r - Function to count NA values at each level of a factor

I have this dataframe: set.seed(50) data <- data.frame(age=c(rep("juv", 10), rep("ad", 10)), sex= ... NA values at each level of the dataframe? See Question&Answers more detail:os...

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

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823 views

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r - str_extract_all: return all patterns found in string concatenated as vector

I want to extract everything but a pattern and return this concetenated in a string. I tried to ... NULL instead of concatenated patterns See Question&Answers more detail:os...

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

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503 views

1 answer

r - ifelse assignment in data.table

I am a teacher, and would like to correctly use the data.table package in R to automatically grade student ... appreciated. Thanks in advance. See Question&Answers more detail:os...

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

0 votes

509 views

1 answer

r - what is the difference between scale transformation and coordinate system transformation

in the documentation for coord_trans function that is used for coordinates transformation it says that the difference ... using both methods See Question&Answers more detail:os...

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

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507 views

1 answer

r - Shiny How to dynamically select columns of imported dataset for further analysis

I am trying a small shiny app wherein I load a CSV file from the local directory and then select specific ... to use an observeEvent 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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607 views

1 answer

r - Staggered and stacked geom_bar in the same figure?

I have the following graph, which is essentially two distributions' histograms plotted alongside each other: my.barplot ... m trying to create: See Question&Answers more detail:os...

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

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