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r - Split a column to multiple columns
I have table that the first column is: chr10:100002872-100002872 chr10:100003981-100003981 chr10:100004774-100004774 chr10 ... What should I do? See Question&Answers more detail:os...
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r - Stacked bar chart with group by and facet
My data looks like this: system operation_type prep_time operation_time A x 0.7 1.4 A y 0.11 2.3 A z 1.22 ... figure out how I can do that. See Question&Answers more detail:os...
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r - as.POSIXct with datetimes including midnight
I am wanting to convert date-times stored as characters to date-time objects. However if a date time ... you suggest an alternative function? See Question&Answers more detail:os...
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Oct 24, 2021
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r - object 'C_stri_join' not found - Using knitr in Rstudio
When using the knit button in Rstudio I get an error object 'C_stri_join' not found. Here is an example: - ... little details are given there. See Question&Answers more detail:os...
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r - Filter a column which contains several keywords
I am trying to filter a column which contains several keywords (in this example dog and cat) but I am having ... be grateful for your help. See Question&Answers more detail:os...
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r - How to replace lower/upper triangular elements of a matrix?
My question: Amat <- diag(4) I would like to replace all the lower triangular values of Amat (i.e. Amat[2,1 ... to do it with a single command? See Question&Answers more detail:os...
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r - ggplot for loop outputs all the same graph
I've written a for loop which goes through the columns of a dataframe and produces a graph for each column using ... to work for this problem. See Question&Answers more detail:os...
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Oct 24, 2021
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r - Filter group of rows based on sum of values from different column
I'm trying to filter out whole rows in R, but only if the frequencies for a particular set don't add up to more than ... (HW) %>% filter(Fr > 5) See Question&Answers more detail:os...
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Oct 24, 2021
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r - How to manage parallel processing with animated ggplot2-plot?
I'm trying to build an animated barplot with ggplot2 and magick that's growing on a "day per day" base. ... this option to make it work. See Question&Answers more detail:os...
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Oct 24, 2021
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r - Cumulative number of unique values in a column up to current row
I have a data frame, donorInfo, with donor information: id giftdate giftamt 002 2001-01-05 25.00 033 ... things. Thanks for any suggestions. See Question&Answers more detail:os...
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Oct 24, 2021
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r - How to remove NA from facet_wrap in ggplot2?
I am trying to use facet_wrap to make a polygon map in ggplot2. I have two factor levels (soybean, ... losses by municipalities with NA values See Question&Answers more detail:os...
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Oct 24, 2021
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r - Dealing with NaN's in matlab functions
I was wondering if matlab has a built in way to deal with NaN's in function calls. More specifically, I am ... 't use something like nanmean(). See Question&Answers more detail:os...
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Oct 24, 2021
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r - Can ggplot2 find the intersections - or is there any other neat way?
In an experiment, blood pressure is measured at several time points. Blood pressure rises and declines during ... intersection") Any solutions? See Question&Answers more detail:os...
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Oct 24, 2021
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r - Get most frequent string from a data frame column
I need to return the n most frequent occurrences of a string, using a multiple row data frame as the input. All the values ... 5 6 7 8 9 10 ... See Question&Answers more detail:os...
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r - for loop within custom function to create ggplot time series plots
I'm having a hard time trying to create a function with a for loop that takes the columns in a data frame ... plot for each column like this: See Question&Answers more detail:os...
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Oct 24, 2021
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r - Efficient method to filter and add based on certain conditions (3 conditions in this case)
I have a data frame which looks like this a b c d 1 1 1 0 1 1 1 200 1 1 1 300 1 1 2 0 1 ... . The original data frame has about a million rows. See Question&Answers more detail:os...
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r - error in running factor() on a column of a data frame
I have a dataframe which has several columns. I want to run the factor() function on one of the columns, say name my_col. ... 2.9 2.5 1.9 ... See Question&Answers more detail:os...
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r - Finding number of elements in one vector that are less than an element in another vector
Say we have a couple vectors a <- c(1, 2, 2, 4, 7) b <- c(1, 2, 3, 5, 7) For each element ... result2) && identical(result2, result3) # [1] TRUE See Question&Answers more detail:os...
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r - Arranging GGally plots with gridExtra?
I'd like to arrange my ggpairs plots with arrangeGrob: library(GGally) library(gridExtra) df <- structure(list( ... to work around this problem? See Question&Answers more detail:os...
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Oct 24, 2021
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r - Merge data.frames with duplicates
I have many data.frames, for example: df1 = data.frame(names=c('a','b','c','c','d'),data1= ... can't generate unique identifier for replicates. See Question&Answers more detail:os...
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r - fread and a quoted multi-line column value
> fread('col1,col2 ') Empty data.table (0 rows) of 2 cols: col1,col2 > fread('col1,col2 5,4') col1 ... something that just wasn't yet tested. See Question&Answers more detail:os...
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r - How To Avoid Density Curve Getting Cut Off In Plot
I am working on an assignment using R and the fitted density curve that is overlaid on the histogram is cut off ... ? Thank you for your help! See Question&Answers more detail:os...
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Oct 24, 2021
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r - lm and predict - agreement of data.frame names
Working in R to develop regression models, I have something akin to this: c_lm = lm(trainingset$dependent ~ ... it does in lm? See Question&Answers more detail:os...
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r - Add months of zero demand to zoo time series
I have some intermittent demand data that only includes lines where demand is present. I bring it in via read.csv, and ... 01 2013-11-01 2 3 6 See Question&Answers more detail:os...
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r - backports 1.1.1 package fails to install
I am unable to public my R notebook. When I try to publish, I get the following error: Console~/ Console ... backports' had non-zero exit status See Question&Answers more detail:os...
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Oct 24, 2021
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r - Ordering factors in each facet of ggplot by y-axis value
Lets say, in R, I have a data frame letters, numbers and animals and I want to examine the relationship ... each panel. Any clever ideas? See Question&Answers more detail:os...
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r - Caret error: "all the Accuracy metric values are missing"
I'm getting the following error and I don't know what may have gone wrong. I'm using R Studio with the 3.1.3 ... , weights = w, ...) : Stopping See Question&Answers more detail:os...
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Oct 24, 2021
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r - How to plot a boxplot with correctly spaced continuous x-axis values in ggplot2
I am attempting to plot a boxplot where my x-axis is a continuous time-scale which is growing degree ... ggplot2 specific solution preferably. See Question&Answers more detail:os...
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