Recent questions tagged R

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r - How to fix 'tar: Failed to set default locale' error?

I'm trying to install a package into R, something I swore on my blood never to do, yet here I am. The ... .34 Leopard build 64-bit (5589). See Question&Answers more detail:os...

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

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r - Saving leaflet output as html

I am using RStudio to create some some leaflet images. I would like to be able to save the output as an ... HTML would be much appreciated... See Question&Answers more detail:os...

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

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r - How to specify columns in facet_grid OR how to change labels in facet_wrap

I have a large number of data series that I want to plot using small multiples. A combination of ggplot2 and ... = mf_labeller) print (p2) See Question&Answers more detail:os...

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

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r - Conditionally replacing column values with data.table

I have the following data.table: dt <- data.table(col1 = rep("a",6), col2 = c(1,1,1,2,3,1)) ... a different way, more "data.table oriented"? See Question&Answers more detail:os...

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

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539 views

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r - Customise x-axis ticks

I have a very large data frame (2 columns) in terms of records. I have plotted the graph in ggplot2. The ... Any suggestions to make it clear!! See Question&Answers more detail:os...

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

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r - Read csv from specific row

I have daily data starting from 1980 in csv file. But I want to read data only from 1985. Because the other ... data before 1985 in R language? See Question&Answers more detail:os...

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

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r - Preserve proportion of graphs using grid.arrange

I'm trying to arrange multiple plots using grid.arrange. It does the job by the book, and when calling: ... solutions that could help here? See Question&Answers more detail:os...

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

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407 views

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r - How to install ROracle package on Windows 7?

I'm trying to install ROracle package on my Windows 7 client. I have Oracle Instant client and Rtools installed, DBI ... I do, how to proceed? See Question&Answers more detail:os...

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

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r - ToolTip when you mouseover a ggplot on shiny

I am building a shiny application. I am plotting charts using ggplot. When I mouseover the points on the graph, ... I want it to show mtcars$wt See Question&Answers more detail:os...

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

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263 views

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r - How to adjust facet size manually

I have a faceted plot with very diverse data. So some facets have only 1 x value, but some others have ... to adjust each facet size manually. See Question&Answers more detail:os...

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

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575 views

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r - Using lapply to apply a function over list of data frames and saving output to files with different names

I have a list of data frames and have given each element in the list (e.g. each data frame) a ... correspond with the modified data frames. See Question&Answers more detail:os...

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

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r - "replace" function examples

I don't find the help page for the replace function from the base package to be very helpful. Worst part, it ... example or two would be great. See Question&Answers more detail:os...

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

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485 views

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r - customize ggplot2 axis labels with different colors

I have a basic bar graph I've created from ggplot2. The y variable contains both positive and negative values ... an error. Thanks in advance. See Question&Answers more detail:os...

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

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232 views

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r - Using data.table i and j arguments in functions

I am trying to write some wrapper functions to reduce code duplication with data.table. Here is an example using ... tableOrder(mtcars, "car") See Question&Answers more detail:os...

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

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194 views

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r - Reproduce table and plot from journal

I am a surgeon and love coding. I do my best to fit R's coding for my papers, but have problem with ... table and forest plot combination in 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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713 views

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r - How to label a barplot bar with positive and negative bars with ggplot2

I'm trying to plot a labeled barplot with ggplot2 with positive and negative bars. That works so far, but I would ... Thank's for y'all 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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344 views

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r - Special characters and superscripts on plot axis titles

I am trying to make a y-axis title with both a special character and a superscript. I am able to do this, but I ... ^"2"),)), data = plates) See Question&Answers more detail:os...

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

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402 views

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r - Put whisker ends on boxplot

I would like to put perpendicular lines at the ends of the whiskers like the boxplot function automatically gives. See Question&Answers more detail:os...

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

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439 views

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r - One function to detect NaN, NA, Inf, -Inf, etc.?

Is there a single function in R that determines if a value is NA, NaN, Inf, -Inf, or otherwise not a well-formed number? See Question&Answers more detail:os...

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

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361 views

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r - Create a Vector of All Days Between Two Dates

Is there an easy way in R for me to itemize all valid days that occurred between two specified dates? For ... an implementation of the concept. See Question&Answers more detail:os...

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

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338 views

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r - Show correlations as an ordered list, not as a large matrix

I've a data frame with 100+ columns. cor() returns remarkably quickly, but tells me far too much, especially as ... (whether +ve or -ve) See Question&Answers more detail:os...

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

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710 views

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r faq - Read SAS sas7bdat data into R

What options does R have for reading files in the native SAS format, sas7bdat, into R? The NCES Common Core, for ... to .csv would be a hassle. See Question&Answers more detail:os...

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

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417 views

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r - Add color to boxplot - "Continuous value supplied to discrete scale" error

There is probably a very easy solution to my problem but I couldn't find a satisfying answer online. Using the ... "9 months", "12 months" See Question&Answers more detail:os...

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

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261 views

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r - catching an error and then branching logic

How do I write R code that allows me to execute a different path in my code if an error condition happens? ... () only upon an error condition. See Question&Answers more detail:os...

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

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332 views

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r - calculating number of days between 2 columns of dates in data frame

I have a data frame which has two columns of dates in the format yyyy/mm/dd. I am trying to calculate the ... hasn`t been working for me. See Question&Answers more detail:os...

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

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309 views

1 answer

r - Function to concatenate paths?

Is there an existing function to concatenate paths? I know it is not that difficult to implement, but still... ... exist in existing R package? See Question&Answers more detail:os...

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

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464 views

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r - Multiple ggplots of different sizes

It's relatively simple using grid.arrange in the gridExtra package to arrange multiple plots in a matrix, but how ... ="density", data=mtcars) 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

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r - Joining means on a boxplot with a line (ggplot2)

I have a boxplot showing multiple boxes. I want to connect the mean for each box together with a line. ... articles/tech/RMB/c4_sols/plot45.png See Question&Answers more detail:os...

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

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