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R QUESTIONS

geom_text how to position the text on bar as I want?
geom_text how to position the text on bar as I want?
around this issue Edit: The easier solution to get hjust/vjust to behave intelligently is to add the group aesthetic to geom_text and then hjust position adjust for the group automatically.
TAG : r
Date : November 23 2020, 11:01 PM , By : zarin
How to escape the symbol of percentage '%' in r?
How to escape the symbol of percentage '%' in r?
wish help you to fix your issue In an url, I am dealing with the special character '%' that I should pass as a string. The url contain some argumnents so I use sprintf. How to escape the symbol '%' in r ? , As the helpfile for sprintf states:
TAG : r
Date : November 23 2020, 11:01 PM , By : a.g.
How to get R plot to plot variable on heat.color scale
How to get R plot to plot variable on heat.color scale
I hope this helps you . I'm plotting data in R. I'm running the following two commands: , You can try:
TAG : r
Date : November 23 2020, 11:01 PM , By : Jairzinno Henriquez
Dynamically selecting principal components from the PCA output
Dynamically selecting principal components from the PCA output
Does that help You can just run a while loop on the df's cumulative proportion field and append the transformed value till it's less than the required threshold.
TAG : r
Date : November 23 2020, 11:01 PM , By : Neal Camerol
Replicate a regression using a random subset of data each time and check distribution of regression coefficients?
Replicate a regression using a random subset of data each time and check distribution of regression coefficients?
may help you . What are you expecting to get by sampling from a fitted linear model object?
TAG : r
Date : November 23 2020, 11:01 PM , By : KKN
How to find a string in a vector in r?
How to find a string in a vector in r?
may help you . Since Y is only 0s and 1s, we can paste it into a string and use regex, specifically gregexpr. Simplified a bit:
TAG : r
Date : November 23 2020, 11:01 PM , By : haripriya
How to replace outliers with NA having a particular range of values in R?
How to replace outliers with NA having a particular range of values in R?
hope this fix your issue To do it more dynamically, use a dictionnary: a dataframe with outlier value associate to each variable.Here I create it in R, but it would be more practical to have it in csv so you can edit it easily.
TAG : r
Date : November 22 2020, 11:00 PM , By : Love Tatar
rearrange data: convert from water year to calendar year
rearrange data: convert from water year to calendar year
wish help you to fix your issue I decided to use some pieces of all the answers I got. This is the code I wrote:
TAG : r
Date : November 22 2020, 11:00 PM , By : Darshit Shah
Plot multiple graphs on one plot in R within loop
Plot multiple graphs on one plot in R within loop
I wish this helpful for you I want to plot some curves in one plot in a for loop in R and save it as a png. When I do this with par(new=False) the axis get bold, because it is rendered for every of the curves, so I turn off the axis for every but the
TAG : r
Date : November 22 2020, 11:00 PM , By : user6064658
Unconditional Probability Calculation in R
Unconditional Probability Calculation in R
I wish this helpful for you Since I want to delete my comment, I will make an answer here.The frequentist estimate of a probability of an event A is how many times A occurs in a series of experiments. Now your event is y > 0. Let's use logical values
TAG : r
Date : November 22 2020, 11:00 PM , By : Mohit
Calculate & add column length_of_time from date column in R
Calculate & add column length_of_time from date column in R
I wish this helpful for you You've got your date formats a bit confused. (see code comments for explanation)
TAG : r
Date : November 22 2020, 11:00 PM , By : Aiden Jahani
Asterisk in ggplot's annotate()
Asterisk in ggplot's annotate()
To fix this issue Text can be added to a ggplot object using annotate(). However, I can't figure out how to print an asterisk, since, so far as I understand, the asterisk is used in parsing. , Using a combination of double and single quotes does the
TAG : r
Date : November 21 2020, 11:01 PM , By : Dev Saini
How to copy a row from a data frame to a matrix in R?
How to copy a row from a data frame to a matrix in R?
I hope this helps you . You should be able to assign the values after unlisting f[1,], since f[1,] returns a one row data frame which is a list, m[1,] returns an atomic vector and this answers the question Why is dim(m[1,]) "NULL" instead of "1 3"? b
TAG : r
Date : November 21 2020, 11:01 PM , By : Amer Aljarallah
Importing a similar column (eg. pH column) from 60 csv files thru use of loop and making a matrix .
Importing a similar column (eg. pH column) from 60 csv files thru use of loop and making a matrix .
I wish this help you I want to create a loop that reads a specific column (Lets say pH) in a directory of 60 csv files and write that column in csv file next to each other as the order of files in the directory.
TAG : r
Date : November 21 2020, 11:01 PM , By : mercho
Reading text file with multi-char delimiter to a list in R
Reading text file with multi-char delimiter to a list in R
I wish this helpful for you Assume data.txt holds your text entries. Is this what you want (in base R):
TAG : r
Date : November 21 2020, 11:01 PM , By : jerad
ggplot2 scale colours for heatmap
ggplot2 scale colours for heatmap
With these it helps [REVISION]In scale_fill_gradientn(), it is needed that length(colours) and length(values) are the same. You can calculate values easily using scales::rescale(). I took the values under -100 as outliers and change colour gradient u
TAG : r
Date : November 21 2020, 11:01 PM , By : techieShams
Looking to save a 3D spectrograph generated by SeeWave as .STL or similar in R
Looking to save a 3D spectrograph generated by SeeWave as .STL or similar in R
I hope this helps you . The spectro3D() function uses rgl to draw the image, so you can just use rgl::writeOBJ("file.obj").
TAG : r
Date : November 21 2020, 11:01 PM , By : keerthana
Separating three dimensional array by the stratifying variable
Separating three dimensional array by the stratifying variable
I wish did fix the issue. Oh, sorry I misread your question. You are not looking for converting this into a data frame but for splitting.You may use:
TAG : r
Date : November 20 2020, 11:01 PM , By : Jay
"Object '...' not found when referenced object is a nested function in R
"Object '...' not found when referenced object is a nested function in R
it should still fix some issue Is there some way to define a variable that's a function before the function definition?
TAG : r
Date : November 20 2020, 11:01 PM , By : mandren
How to correctly clearShapes in Leaflet in a Shiny app
How to correctly clearShapes in Leaflet in a Shiny app
I wish this help you Your first issue is solved by using clearMarkers() rather than clearShapes().As to the other issue you pointed out, leaflet struggles with empty (and NA) data. When you deselect all the values, your data.frame obviously becomes e
TAG : r
Date : November 20 2020, 11:01 PM , By : Prince Devasitham
NetLogo 5.3.1 and R 3.3.1 on Mac 10.10.6 headless exception
NetLogo 5.3.1 and R 3.3.1 on Mac 10.10.6 headless exception
it helps some times As someone commented (I really don't know why they didn't post the answer) the key to the problem was I was using the wrong package to start NetLogo. First of all one have to be sure that R has the correct Java Home set. So run th
TAG : r
Date : November 20 2020, 11:01 PM , By : sam
Extract unique values from column in dataframe, grouped by ID
Extract unique values from column in dataframe, grouped by ID
I wish this helpful for you I have a dataframe data0 with id's and dates like this:
TAG : r
Date : November 19 2020, 11:01 PM , By : Jan Galler
Stacked Bar Chat (ggplot) in R:: Trying to create more than one bar in the chart
Stacked Bar Chat (ggplot) in R:: Trying to create more than one bar in the chart
help you fix your problem From what I understand in the question, you are trying to create a bar chart that shows production in each hour separated by company, where each bar is a different hour.Firstly ggplot2 works with data.frames where each varia
TAG : r
Date : November 19 2020, 11:01 PM , By : Coconut
R: Creating a function to merge two columns
R: Creating a function to merge two columns
To fix the issue you can do If you want to include a character column in the same data structure as a couple of numeric vectors, you almost certainly want to use a data frame rather than a matrix (as @RichScriven comments above).
TAG : r
Date : November 19 2020, 11:01 PM , By : user6063932
Error in knearest(Darr, P_set, K) : object 'knD' not found
Error in knearest(Darr, P_set, K) : object 'knD' not found
To fix this issue i used Package ‘smotefamily’ in R then i used example in the CRDN doc , Tracing this error, it's thrown from knearest whose source is:
TAG : r
Date : November 19 2020, 11:01 PM , By : Danny J. Williams
Determining least significant predictor in Linear Regression Model with R
Determining least significant predictor in Linear Regression Model with R
will help you Finding the max value of the vector of p-values (corresponding to the least significant predictor) should work something like this ...
TAG : r
Date : November 19 2020, 11:01 PM , By : Wissanu Thungrut
listcolumns and multidplyr
listcolumns and multidplyr
like below fixes the issue This question has two parts:1. Why are you getting an error using do?
TAG : r
Date : November 19 2020, 11:01 PM , By : Allure
How to check for the presence of a location in a sentence in R?
How to check for the presence of a location in a sentence in R?
like below fixes the issue I think R has not implemented a list of Towns or other locations as this is very specific. Thus I would search for a list in the web. If you have such a list, you can work e.g. with
TAG : r
Date : November 19 2020, 11:01 PM , By : kikyou2
Using mapply over a matrix when the function makes use of elemets' location in the matrix
Using mapply over a matrix when the function makes use of elemets' location in the matrix
it helps some times Try mapply over the row and column indices like this where fun is the function defined in the question. The result is a numeric vector v:
TAG : r
Date : November 18 2020, 11:01 PM , By : Tarafa
R - stratified sampling for Person Period file
R - stratified sampling for Person Period file
I think the issue was by ths following , Here is a variant following @Frank's comment that might help, essentially you can sample a unique id from each clust group and find out the corresponding index number with .I for subsetting:
TAG : r
Date : November 18 2020, 11:01 PM , By : christian
Merging two xts to create NAs at certain time stamps
Merging two xts to create NAs at certain time stamps
this one helps. I have an irregular xts series where I want to include NAs at proper minutes eg.g 09:15:00, 09:16:00 and so on if these proper minutes are missing there. I am doing it through creating another series that has NA series with theses tim
TAG : r
Date : November 18 2020, 11:01 PM , By : user6063549
How to subset data in a loop in R?
How to subset data in a loop in R?
help you fix your problem It sounds like you're in "split-apply-combine" territory: you want to cut up a large data set into subsets, and apply the same operations to those subsets (or different columns of those subsets). While using looped code and
TAG : r
Date : November 17 2020, 11:01 PM , By : Aruna
How to use sprintf to show string "\t"?
How to use sprintf to show string "\t"?
Any of those help I have an algorithm to identify the separator used in in a .txt file. I want to output the separator found using cat(). I am using %s with sprintf() to no avail.
TAG : r
Date : November 17 2020, 11:01 PM , By : James Deerwester
Subset Columns based on partial matching of column names in the same data frame
Subset Columns based on partial matching of column names in the same data frame
around this issue I would like to understand how to subset multiple columns from same data frame by matching the first 5 letters of the column names with each other and if they are equal then subset it and store it in a new variable. , You could try:
TAG : r
Date : November 17 2020, 11:01 PM , By : refined-element
R Extract number from string
R Extract number from string
wish help you to fix your issue I have been trying to get this right. What I want to do is extract a year from a string. The string looks like this for example: , We can use
TAG : r
Date : November 17 2020, 11:01 PM , By : Marisol Thomason
How to put 2 boxplot in one graph in R without additional libraries?
How to put 2 boxplot in one graph in R without additional libraries?
hope this fix your issue Prepare the plot window to receive two plots in one row and two columns (default is obviously one row and one column):
TAG : r
Date : November 17 2020, 11:01 PM , By : Abbas Abbas
ggplot omits polygon holes
ggplot omits polygon holes
hope this fix your issue "hadley/ggplot2: plotting polygon shapefiles" says "..., the hole state is retained, but this information is not used by ggplot2". Fortunately, ggspatial package, "Fish Whistle: Holes in ggplot polygons" taught me, seem to s
TAG : r
Date : November 16 2020, 11:00 PM , By : Danielle Running Shi
ggplot2 geom_boxplot side by side with facets
ggplot2 geom_boxplot side by side with facets
may help you . I think this might be what you're after, it uses interaction to create a factor based on all combinations of the levels of its arguments (you could also use side:name):
TAG : r
Date : November 15 2020, 11:01 PM , By : Wellington Oliveira
outlier labels incorrectly assigned with ggplot2 box plot
outlier labels incorrectly assigned with ggplot2 box plot
hop of those help? you need to subset your data in geom_text, to show uniquely the text on the outliers.
TAG : r
Date : November 15 2020, 11:01 PM , By : Zhikai Guo
capture column pattern frequency
capture column pattern frequency
it should still fix some issue Starting by "reversing" the tabulation of the data in the two separate vectors:
TAG : r
Date : November 15 2020, 11:01 PM , By : Suda
R remove tags starting with U
R remove tags starting with U
seems to work fine How do I remove tags like present in sentences. Via- - Tarksangat ~ , Hope this might be useful
TAG : r
Date : November 14 2020, 11:01 PM , By : Yannik Neubert
R, dplyr and snow: how to parallelize functions which use dplyr
R, dplyr and snow: how to parallelize functions which use dplyr
this one helps. Done some experiments, so I solved my problem (with the suggestion of Benjamin and considering the 'edit' that I've added to the question) with:
TAG : r
Date : November 14 2020, 11:01 PM , By : Bakari Arifin
R: Separate String Without Delimiter (like Fixed Width in Excel)
R: Separate String Without Delimiter (like Fixed Width in Excel)
wish helps you As @alistaire has shown, you can convert what you have to an R recognised date format with (replace the single character string in the below with your column vector df$DATE to work on the entire data frame):
TAG : r
Date : November 14 2020, 11:01 PM , By : MC H
In R, is there a parsimonious or efficient way to get a regression prediction holding all covariates at their means?
In R, is there a parsimonious or efficient way to get a regression prediction holding all covariates at their means?
around this issue I'm wondering if there is essentially a faster way of getting predictions from a regression model for certain values of the covariates without manually specifying the formulation. For example, if I wanted to get a prediction for a g
TAG : r
Date : November 14 2020, 11:01 PM , By : Tom G
Determine mode locations of the kernel density estimate of multimodal univariate data
Determine mode locations of the kernel density estimate of multimodal univariate data
wish help you to fix your issue Determining which modes are real in a kernel density estimate is a matter of which bandwidth you chose to use. This is a complicated thing, and I don't advise choosing but a single bandwidth, as even different optimal
TAG : r
Date : November 14 2020, 11:01 PM , By : Josh Ward
Splitting a column ( column A with numbers) into sub columns with columns names as
Splitting a column ( column A with numbers) into sub columns with columns names as
may help you . I deleted my original answer as it was poor. Sorry for the confusion. I created your data here as a dataframe. In the future, it is nice when you ask questions to provide the first 3 lines of code below.
TAG : r
Date : November 13 2020, 11:01 PM , By : efon wang
Which calculation of 2 to the 168th power is correct, and why?
Which calculation of 2 to the 168th power is correct, and why?
With these it helps Apropos of this question from Quora, is R off? , It works for me...
TAG : r
Date : November 13 2020, 11:01 PM , By : sdack
403 Error When Using Rvest to Log Into Website For Scraping
403 Error When Using Rvest to Log Into Website For Scraping
wish help you to fix your issue Using R.S.'s suggestion, I used RSelenium to log in successfully. A quick note for fellow mac users on using either chrome or phantom. I am running El Capitan so had some issue getting the mac to recognize the paths to
TAG : r
Date : November 13 2020, 11:01 PM , By : yydmay
R ggplot2 doesn't know a custom function
R ggplot2 doesn't know a custom function
seems to work fine aes_q and bquote can help with these tricky scoping issues,
TAG : r
Date : November 13 2020, 11:01 PM , By : Christopher Harris
Shiny - Where can I find ObserveEvent
Shiny - Where can I find ObserveEvent
I hope this helps you . I think there should be some other reason why you are not able to find those function.Anyway you can use isolate() inside observe to stop a reactive dependency. the sum of input$first and input$second will be printed on the co
TAG : r
Date : November 13 2020, 11:01 PM , By : ashish awale
decreasing coefficients in R's coefplot?
decreasing coefficients in R's coefplot?
To fix this issue coefplot from library(coefplot) has a variable decreasing which when set to to TRUE the coefficients should be plotted in descending order , You need to set sort = "magnitude":
TAG : r
Date : November 13 2020, 11:01 PM , By : Stefan Schimanski
Summing nearby elements of a matrix in R
Summing nearby elements of a matrix in R
may help you . In R, I'm trying to make a simple function like the one below, just summing the elements in the row of a data frame which are k positions away the (i,j) element. If the element is on the edge (e.g. j=1 or j=n) I'd like for the element
TAG : r
Date : November 13 2020, 11:01 PM , By : sanjeev
Unequal number of elements when webscraping
Unequal number of elements when webscraping
I hope this helps . I want to scrape some car data from autotrader.co.uk. When you search on this site each page contains info for 12 cars. I am scraping separately the price and model which gives me 2 vectors of 12 elements (using rvest). However I
TAG : r
Date : November 12 2020, 11:01 PM , By : maeema
Reshape data into long columns based on variable in R for IRR
Reshape data into long columns based on variable in R for IRR
With these it helps Consider rbinding dcast() calls for both val1 and val2 columns. Additionally, add a column to capture the corresponding val value (since it is dropped during dcast). Hence, the use of data.frame():
TAG : r
Date : November 12 2020, 11:01 PM , By : Nicholas Michael Wal
ARIMA modelling, prediction and plotting with CO2 dataset in R
ARIMA modelling, prediction and plotting with CO2 dataset in R
wish of those help Session 2: A better idea for time series modellingIn previous session, we have seen the difficulty in prediction if we separate de-trending and modelling of de-trended series. Now, we try to combine those two stages in one go.
TAG : r
Date : November 12 2020, 11:01 PM , By : Lizzy
modelr: cross-validated model fitting for all variables in a dataset that match criterion
modelr: cross-validated model fitting for all variables in a dataset that match criterion
I hope this helps . I have a dataset that contains a number of (factor) variables with the prefix "cat_". , The solution that I think is as compact as it can get is this:
TAG : r
Date : November 12 2020, 11:01 PM , By : Antoine Viallon
How to draw a shape (ellipse or oval) following some points and calculate its area?
How to draw a shape (ellipse or oval) following some points and calculate its area?
may help you . If A B are on y-axis and C D are on x-axis, it isn't difficult to calculate the parameters of ellipses. I used optim() to get params (Note: this approach has tiny error, such as 2.439826e-12).data manipulation
TAG : r
Date : November 12 2020, 11:01 PM , By : mgl333
Create new column with percentages in data frame
Create new column with percentages in data frame
wish help you to fix your issue I have the following dataframe: , Is this what you were looking for?
TAG : r
Date : November 12 2020, 11:01 PM , By : oaftobark
Fitting ARIMA model to multiple time series and storing forecast into a matrix
Fitting ARIMA model to multiple time series and storing forecast into a matrix
I hope this helps . Yep, the previous problem is gone, and now you have a new problem, regarding the failure of Arima. Strictly speaking you should raise a new question on this. But I will answer it here anyway.The error message is quite illustrative
TAG : r
Date : November 11 2020, 11:01 PM , By : Beverly
Tidy multivariate data in R
Tidy multivariate data in R
With these it helps I have a dataset with the following structure: , There has to be a dup for this but if we simulate some data:
TAG : r
Date : November 11 2020, 11:01 PM , By : Desiret Garcia

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