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r - dplyr case_when with dynamic number of cases
    Wanting to use dplyr and case_when to collapse a series of indicator columns into a single column. The challenge ... to sql when using dbplyr. 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 - Is there a `par()` setting for plot area color?
    I am wondering if there is an easy way to only color the plot area? I believe the par()$bg setting defines ... Thanks in advance for any advice. 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 - Obtain standard errors of regression coefficients for an "mlm" object returned by `lm()`
    I'd like to run 10 regressions against the same regressor, then pull all the standard errors without using a ... std error rm(tempObject) } 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 line legend to geom_sf
    I have a couple spatial shape files with various public transport routes and I would like to make a map using ... legend, not a polygon legend. 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 title to meta analysis forest plot
    I am meta-analysing some studies and drawing a forest plot for my results. However I can`t seem to get the ... in? Thanks in advance, Timothy 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 - clicking same plotly marker twice does not trigger events twice
    I am using Plotly's event_data("plotly_click") to do stuff (opening a modal) after the user clicked on a marker ... old value. Can anyone 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 - Calculating ratios by group with dplyr
    Using the following dataframe I would like to group the data by replicate and group and then calculate a ratio of ... done with dplyr. 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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r - how to add a table to a ggplot?
    I am trying to combine (in a single chart) a regular ggplot chart with a table obtained with flextable. Consider ... What can we do? 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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r - Generating sequence of dates
    i would like to generate sequence of dates with next code: vm1=strptime("2000-01-01 00:00:00", format ... appreciate any help or instructions. 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 - barplot x-axis labels with hierarchical grouping variables in separate rows
    In Excel, with data organized like so: Bare NP Singular-Marked NP Plural-Marked NP BrP Speakers AmE Speakers ... produces the following graph: 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 - Getting the y-axis intercept and slope from a linear regression of multiple data and passing the intercept and slope values to a data frame
    I have a data frame x1, which was generated with the following piece of code, x <- c(1:10) y <- x^3 ... someone let me know how to resolve 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 - data.table drop key rows and summarize
    I'm looking for an elegant way to iterate over the key of data.table, drop the rows that have that key, ... key and do this elegantly? 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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r - Plot Percents with Likert Package - Doesn`t work when grouping
    I've created some charts using the Likert package, however when I create plots by groups the plot.percents = TRUE ... )) Am I missing something? 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 - Rank based on several variables
    This is a small example. In my larger dataset, I have multiple years of data and the number of observations per ... )==length(div2b) always). See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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635 views
1 answer
r - How to print on a serie sof graphs pairwise comparisons bars and effect size value?
    I'm struggling to create a series of high-quality ggboxplots, like the one I attach as follows: With labels for ... , 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 answer
r - lag function returns NAs
    Does anybody have an explanation for such result using dplyr package? I have a data.frame df library(dplyr) df = ... R version is 3.2.5) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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864 views
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r - convert a csv to excel without using xlsx package
    I want to convert a csv file to excel. I found from the search in Internet that the best proposal it ... anyone faced the previous problem? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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846 views
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r - Point color (col) and fill color (bg) by group in stripchart
    I'm trying to reproduce the following image image http://www.davidzeleny.net/wiki/lib/exe/fetch.php/vizualizace: ... you advance 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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717 views
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r - Inserting missing years to complete a data.frame
    I'm creating a dataframe containing the number of incidents of a certain kind in each state in each year from 2000 to ... . How can I do 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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718 views
1 answer
r - Combining .SD with renamed variable messes with names of .SD columns
    Within my code, I would like to programmatically select some variables and select and rename some others in a hard coded way. ... 3 #> 5: 8 0 3 See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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935 views
1 answer
r - What does the following error mean: TopologyException: found non-nonded intersection between LINESTRING
    I'm trying to fortify a shape file that I loaded into R with rgdal, but I get the following error: "Error: ... - is there a way around 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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668 views
1 answer
r - Why does apply convert logicals in data frames to strings of 5 characters?
    Suppose I have a data frame: mydf <- data.frame(colA = c(1,20), colB = c("a", "ab"), colC ... function which does not have the above behavior? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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812 views
1 answer
r - Using tidyr::complete with group_by
    Does anyone know if tidyr::complete() supports grouping via group_by()? To be precise: I have some data ... preferably without using a loop)? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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772 views
1 answer
r - Convert Date to year month representation
    I have a Date, and am interested in representing it as an integer of yyyymm form. Currently, I do: ... compared. Use the above example. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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845 views
1 answer
r - Divide all rows by a reference row, by group
    Here is a sample table I'm working with: n = c(rep("A",3),rep("B",3),rep("C",3)) m = c("X", ... a good way of doing this. 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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894 views
1 answer
r - Split an audio file into pieces of an arbitrary size
    I have a large sound file (150 MB) that I would like to split into smaller files of some more easily ... 19 elements: only the first used See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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752 views
1 answer
r - Evaluate different logical conditions from string for each row
    I have a data.frame like this: value condition 1 0.46 value > 0.5 2 0.96 value == 0.79 3 0.45 value <= ... I'm trying to avoid eval(parse(..)). See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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825 views
1 answer
r - Rscript file path with space
    I am trying to run the following R script in windows shell: Rscript C:/Documents/Folder name containing ... Documents/Folder_name/myscript.txt". See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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