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R QUESTIONS

How to get Adjusted R-Square value as variable?
How to get Adjusted R-Square value as variable?
should help you out I am attempting to get the Adjusted R-Square value in R (the programming language) and store it as a variable. I am not sure how to accomplish this. , summary( lm(y~x) )$adj.r.squared
TAG : r
Date : November 27 2020, 09:01 AM , By : Kiran
Check row-wise if element exists in comma-separated column with position
Check row-wise if element exists in comma-separated column with position
like below fixes the issue Here's a possibility using match() with mapply() to find the first column, after splitting the y column into pieces. Then we can build the second column based on that.
TAG : r
Date : November 27 2020, 09:01 AM , By : Pavel Petrashov
How to know which nodes in a graph are removable
How to know which nodes in a graph are removable
it should still fix some issue I would like to know which nodes are "removable", i.e, after removing them the graph is still fully connected
TAG : r
Date : November 27 2020, 09:01 AM , By : Iani Ionidis
Generate all possible permutations of a binary matrix
Generate all possible permutations of a binary matrix
wish help you to fix your issue Here is a function that would create such matrices for indices from 0 to 2^16-1:
TAG : r
Date : November 27 2020, 09:01 AM , By : ola_992
R, Windows and foreign language characters
R, Windows and foreign language characters
around this issue This has been a longstanding problem with R: it can read non-latin characters on Unix, but I cannot read them on Windows. I've reproduced this program on several English-edition Windows machines over the years. I've tried changing t
TAG : r
Date : November 27 2020, 09:01 AM , By : user4579580
Datapusher with missing values and mixed (srting/numeric) data
Datapusher with missing values and mixed (srting/numeric) data
will help you There is no simple way to do exactly what you want because the DataStore is more or less a 1:1 link to a database table. In Postgresql you also can't insert text into a numeric column. I've just tried different forms of missing values i
TAG : r
Date : November 27 2020, 09:01 AM , By : Rochdi Mhamdi
Adding greek characters with variables to axis title
Adding greek characters with variables to axis title
it should still fix some issue I have two vectors alpha
TAG : r
Date : November 27 2020, 09:01 AM , By : Mirko Rapicano
R - Subsetting subsets of variable names in loops
R - Subsetting subsets of variable names in loops
With these it helps Q: How do I subset a subset of a changing variable inside a function or loop? , One solution is to use eval() and parse():
TAG : r
Date : November 27 2020, 09:01 AM , By : Konstantin Yakimovic
R dynamically naming a data frame to be used in ggplot2
R dynamically naming a data frame to be used in ggplot2
hope this fix your issue Yes, I know there are lots of questions about dynamically naming variables in R, and yes, I have reviewed them, and no, I still can't do what I want to do. , get should solve your problem:
TAG : r
Date : November 26 2020, 09:01 AM , By : tightman
Optimize/vectorize a loop in R that generates randoms from ranges in input vectors?
Optimize/vectorize a loop in R that generates randoms from ranges in input vectors?
I wish did fix the issue. We can use runif to get random numbers from a uniform distribution, and pmax and pmin to vectorize the min and max:
TAG : r
Date : November 26 2020, 09:01 AM , By : ZiegEman
How to sort groups within sorted groups?
How to sort groups within sorted groups?
will help you By default, group_by has add = FALSE, which means rather than adding the second level of grouping, you are overwriting the first, leading to your error.You could use:
TAG : r
Date : November 25 2020, 09:00 AM , By : Dzmitry Samsonau
How to get randomForest model output in probability using Caret?
How to get randomForest model output in probability using Caret?
help you fix your problem UPDATE: I found the solution through here. Apparently, caret's train is not good with handling 0 and 1 binary class values in target variable. Changing them to any string ('r' and 's') worked perfectly.
TAG : r
Date : November 25 2020, 09:00 AM , By : Fireturtle
how to plot a data frame into R
how to plot a data frame into R
like below fixes the issue I have a txt filde in which is storedthe information related tu clusters: , In base R:
TAG : r
Date : November 25 2020, 09:00 AM , By : Andrey Tepaykin
Calculate mean of a range of rows
Calculate mean of a range of rows
will help you Given a data frame like this: , You could try the following.
TAG : r
Date : November 25 2020, 09:00 AM , By : mehdi shiyani
How to sum the values in a text file?
How to sum the values in a text file?
I hope this helps . The generic function sum()with your mydatasetas only argument i.e.sum(mydataset), can do that for you.This is quite a trivial question and if you are looking to do simple things, you will most likely be able to find it here.
TAG : r
Date : November 25 2020, 09:00 AM , By : PtrMgg
Looking up polygons in a shapefile that point belong in... why does it work with some shapefiles, not with others?
Looking up polygons in a shapefile that point belong in... why does it work with some shapefiles, not with others?
I hope this helps you . You are doing something wrong with the projections. Use rgdal::readOGR() instead of maptools::readShapePoly(), this handles the projection information automatically:
TAG : r
Date : November 24 2020, 09:00 AM , By : bijay kanshi
R creating a list using variable columns from df
R creating a list using variable columns from df
it should still fix some issue I'm looking for the cleanest way to implement the following. , If data is a dataframe, then it's already a list. You can do this:
TAG : r
Date : November 24 2020, 09:00 AM , By : raj naik
Determine programmatically if a function call refers to your own function or a package's (or base R's) function?
Determine programmatically if a function call refers to your own function or a package's (or base R's) function?
hope this fix your issue One of the possible ways to achieve that is to use getAnywhere from utils package and determine where the called function is defined (user function will always be defined in .GlobalEnv and will mask other definitions). For ex
TAG : r
Date : November 24 2020, 09:00 AM , By : ArthurMann
Adding Special Characters to a plot in R
Adding Special Characters to a plot in R
wish helps you I need to add a special character to a plot in R. The character that I need to add is the letter 'o' with a dash over it (ō). How can I do this? If I wanted to add the character μ to my plot (as in this question), I can type "mu". But
TAG : r
Date : November 23 2020, 09:01 AM , By : hash-ir
How to dynamically change R .libPaths() based on hostname?
How to dynamically change R .libPaths() based on hostname?
it should still fix some issue I have two virtual machines running two different versions of GNU/Linux and accessing the same R executable from the same user account. , Something like this?
TAG : r
Date : November 23 2020, 09:01 AM , By : Amila Ruvinda Dharma
Print arguments of a function in R
Print arguments of a function in R
This might help you A quick way to do this is to pass the arguments back in return as part of a list:
TAG : r
Date : November 23 2020, 09:01 AM , By : Rajalaxmi K
Creating Variables via A loop in r
Creating Variables via A loop in r
wish help you to fix your issue I am using the following code to download the YTD AdjClose of SPY. , Have you seen the quantmod package? Example:
TAG : r
Date : November 23 2020, 09:01 AM , By : Egor Pomozov
How to randomly divide an integer into a fixed number of integers, such that the obtained tuples are uniformly distribut
How to randomly divide an integer into a fixed number of integers, such that the obtained tuples are uniformly distribut
it helps some times I think trying to make these combinations/permutations manually is reinventing the wheel. There are efficient algorithms to do this implemented in partitions. For example,
TAG : r
Date : November 23 2020, 09:01 AM , By : bsp
Remove columns using column name based on levels of factors
Remove columns using column name based on levels of factors
Hope that helps We use sub to remove the prefix x. from the column names of 'x', check whether it is %in% the 'f' column to create a logical vector and use this to subset the columns of 'x'. We removed the first column name (as it is 'f') and later c
TAG : r
Date : November 22 2020, 02:59 PM , By : Payal Haldar
What units are the 'width = ' in geom_bar(aes = ) and position_dodge(width = ) rendered in?
What units are the 'width = ' in geom_bar(aes = ) and position_dodge(width = ) rendered in?
will be helpful for those in need The width argument in position_dodge() is specifying the distance between the leftmost edge of the left bar and the rightmost edge of the right bar. With a dodge width of 0.8, the distance between your start point of
TAG : r
Date : November 22 2020, 02:59 PM , By : richu
Assigning Dates to Fiscal Year
Assigning Dates to Fiscal Year
I hope this helps you . Here are some alternatives. They all return numeric years but if you really need a string starting with FY then use paste0("FY", result) where result is any of the results below. They all support vector input, i.e. the input d
TAG : r
Date : November 22 2020, 02:59 PM , By : Chieu_Xuan
conditional removal from data frame
conditional removal from data frame
wish of those help I have a data frame , Use this:
TAG : r
Date : November 22 2020, 02:59 PM , By : Raqib Ahmed Asif
Getting variables out of a function in R
Getting variables out of a function in R
this will help So here is some backghround info: I have created a question and answer function in R. After the user calls the function they are prompted a succession of questions that will eventually be used to populate a report using R markdown. The
TAG : r
Date : November 22 2020, 02:59 PM , By : sachin saini
Bar colors in ggplot2 geom_bar not applied correctly (R)
Bar colors in ggplot2 geom_bar not applied correctly (R)
Hope that helps The problem boils down to mapping bar_colors to fill. By default, ggplot2 will assign levels of the fill alphabetically instead of the order they appear in the dataset. When you were assigning the color values in scale_fill_manual, yo
TAG : r
Date : November 22 2020, 02:59 PM , By : Lester DeKay
Create a vector in a dataframe based on matching a second vector to a row name in another object
Create a vector in a dataframe based on matching a second vector to a row name in another object
should help you out I'd suggest two optionsEither you can use base match function as in
TAG : r
Date : November 22 2020, 02:59 PM , By : Pete
Convert julian day to mm/dd and add year from another column in dataframe in r
Convert julian day to mm/dd and add year from another column in dataframe in r
like below fixes the issue One can add days to a "Date" class or "chron" variable so this works -- use format(as.Date(paste0(Year, "-1-1")) + BeginJD - 1), "%m/%d/%Y") to format it if you want the result as a character string rather than a "Date" cla
TAG : r
Date : November 22 2020, 02:59 PM , By : Macylnt
Change SMOTE parameters inside CARET k-fold cross-validation classification
Change SMOTE parameters inside CARET k-fold cross-validation classification
hope this fix your issue I am not sure to have understood what you do not understand but here is an attempt to clarify what is done in this piece of code.The smotest object is created as list because it is the way the argument sampling of trainContro
TAG : r
Date : November 22 2020, 02:42 PM , By : Aye Htet Htet Naing
rollapply classes each segment the same
rollapply classes each segment the same
To fix this issue The first argument of rollapply must have columns all of the same type, e.g. all numeric so the data frame of the question which has columns of different types cannot be used. Also even if that were fixed and a data.framne with nume
TAG : r
Date : November 22 2020, 02:42 PM , By : vvink
rename the header of the spliting group in r
rename the header of the spliting group in r
it should still fix some issue Im wondering how to change the header name of splitted group. , We can use setNames
TAG : r
Date : November 22 2020, 02:42 PM , By : Hazem-alhakam
Summary stats by factor level for multiple variables
Summary stats by factor level for multiple variables
I wish this helpful for you I want to produce dataframes containing summary statistics for each factor level for multiple variables. , You could melt your data first:
TAG : r
Date : November 22 2020, 02:42 PM , By : mcbr
Processing Rmarkdown inside chunks
Processing Rmarkdown inside chunks
will help you You're very close already. You need to use cat instead of print. You will also want to change how you supply your string. Your section headings won't render with white space in front of them.
TAG : r
Date : November 22 2020, 02:42 PM , By : Topkek
R: how to join the duplicate rows in one dataframe
R: how to join the duplicate rows in one dataframe
will help you I have one dataframe with some duplicated rows, which I want to join only duplicated rows. Given an example below: , Here's a dplyr approach:
TAG : r
Date : November 22 2020, 02:42 PM , By : Nyinechan Aung Love
Creating a unified time-series, with dates coming from different (natural) languages
Creating a unified time-series, with dates coming from different (natural) languages
To fix this issue Create a table tab that contains all the translations and then use subscripting to actually do the translation. The code below seems to work for me on Windows provided your input abbreviations are the same as the standard ones gener
TAG : r
Date : November 22 2020, 09:00 AM , By : meste
R error: attempt to apply non-function , randomForest , rfImpute
R error: attempt to apply non-function , randomForest , rfImpute
Hope that helps na.action does not work like that, it takes a function such as na.fail or na.omit as input.Try to use rfImpute as in documented example
TAG : r
Date : November 22 2020, 09:00 AM , By : ocnphys
assign multiple color to each vertex in igraph
assign multiple color to each vertex in igraph
I hope this helps . (EDIT) Because the edges were specified as integers the vertices were not in order in the graph. I changed the initial graph.data.frame call to specify the order, then everything should work.
TAG : r
Date : November 22 2020, 09:00 AM , By : John Anderson
How do I add shading and color to the confidence intervals in ggplot 2 generated Kaplan-Meier plot?
How do I add shading and color to the confidence intervals in ggplot 2 generated Kaplan-Meier plot?
Any of those help I found a better solution. You just use the Rcmdrplugin KMggplot2 which also has the optional features of adding the median line and number at risk table.
TAG : r
Date : November 22 2020, 09:00 AM , By : Jonathan Topielski
How to generate spatial points with a pattern
How to generate spatial points with a pattern
may help you . I only know how to do this using the spatstat package. With the function rpoint You can use any function of the coordinates x,y to define your uneven density of points. Here I define the function to have the value 0 at the West end of
TAG : r
Date : November 22 2020, 09:00 AM , By : Malcolm Tompson
ggplot2 + stat_contour variable binwidth
ggplot2 + stat_contour variable binwidth
like below fixes the issue What I'm trying to do is to have a variable binwidth in a ggplot2 contour plot, that is the distance between the different "equi-level lines". , Use the breaks argument, for example:
TAG : r
Date : November 21 2020, 09:01 AM , By : fishman
Add fake data to a data frame based on variable condition
Add fake data to a data frame based on variable condition
this will help Good afternoon, , You can do it using dplyr and tidyr.First, cut your df$length:
TAG : r
Date : November 21 2020, 09:01 AM , By : Ali Shah
Utilizing a character vector inside a function
Utilizing a character vector inside a function
may help you . I have the following function: , You could probably just use %in%:
TAG : r
Date : November 21 2020, 09:01 AM , By : DoubLL
match fundction with data frames that are differently constructed
match fundction with data frames that are differently constructed
hope this fix your issue I am relatively new to R and I have hit a wall with trying to figure out how to do what I want to do. I went through many questions on StackOF but still could not figure it out (exactly). Here is what I am trying to do: , I t
TAG : r
Date : November 21 2020, 09:01 AM , By : Влад Нестеровський
Overlaying plots with a horizontal date in R
Overlaying plots with a horizontal date in R
wish help you to fix your issue It seems to me that the answer that you are basing your plots on uses density plots that are not useful for your data. If you are just looking for some line plots with points, you could do the following (note I created
TAG : r
Date : November 21 2020, 09:01 AM , By : Guangle Fan
lapply'ing a for loop returns NULL
lapply'ing a for loop returns NULL
will help you You need to return x in the function within lapply otherwise nothing will get returned:
TAG : r
Date : November 21 2020, 07:38 AM , By : Artika
Dynamically add UI elements and gather their input in a dataframe in shiny
Dynamically add UI elements and gather their input in a dataframe in shiny
should help you out I wasn't quite sure why you wanted to use selectInputs for setting the variable values so here's a general example on how to access inputs from dynamically generated content:
TAG : r
Date : November 21 2020, 07:38 AM , By : SneakySnail
All the possible outcomes
All the possible outcomes
Hope this helps My data frame looks like this , you can try combn as mentioned by zx8754, for example
TAG : r
Date : November 21 2020, 07:38 AM , By : Hao Wu
How to Use corrplot with method="number" and Drop Leading Zero?
How to Use corrplot with method="number" and Drop Leading Zero?
To fix this issue How does one plot a correlation matrix in R using the package corrplot and drop the leading zero when using 'method="number"'? , Using an example from the corrplot documentation:
TAG : r
Date : November 21 2020, 07:38 AM , By : Duong Hung
cbind converting factor to numeric
cbind converting factor to numeric
fixed the issue. Will look into that further We are cbinding vectors and the output will be a matrix. The matrix can hold only a single class. So, if there is any vector that is non-numeric, it will convert the whole matrix to 'character' and as the
TAG : r
Date : November 21 2020, 07:38 AM , By : RUTH APPIAH
create names of loop when iterating data frame
create names of loop when iterating data frame
Hope that helps , It’s tricky. In general, you’d write the function like this:
TAG : r
Date : November 20 2020, 09:01 AM , By : Igor Kolomiets
R reading multiple raster files gives error in for loop
R reading multiple raster files gives error in for loop
around this issue I have 500 tif files (ind_moist1.tif, ind_moist2.tif,ind_moist3.tif......ind_moist500.tif) in my working directory. I want to read each one of them. Here is what I did: , Define moist to be a list before the loop:
TAG : r
Date : November 20 2020, 09:01 AM , By : DPT
Debugging into and changing R-functions in packages
Debugging into and changing R-functions in packages
may help you . You could get the whole codebase for the package from the TSclust github repository and debugg using that.Or maybe a simpler way is to do as described in this post this post
TAG : r
Date : November 20 2020, 09:01 AM , By : Kaijuto
Categorical variables in R - which one does R pick as reference?
Categorical variables in R - which one does R pick as reference?
fixed the issue. Will look into that further The order of factor levels in R does not depend on the order of the data. Hence, changing the order of the data does not affect the reference level of the factor.You can obtain the order of the levels with
TAG : r
Date : November 20 2020, 09:01 AM , By : Daniel Kuenzi
Create new data frame based on values from another data frame
Create new data frame based on values from another data frame
I think the issue was by ths following , If you can live with a binary 1 and 0 instead of a "y" and "n", you can try something like the following.It helps if you provide a reproducible (dput) or your data so that we know whether you're dealing with n
TAG : r
Date : November 20 2020, 09:01 AM , By : Ceb
Subplots using Plotly in R (bug fixed)
Subplots using Plotly in R (bug fixed)
hop of those help? This seems to be a genuine bug in the way subplot() generates the y-axis domains for the two plots. Indeed, they overlap which can easily be seen if you execute
TAG : r
Date : November 19 2020, 03:54 PM , By : Prince Osas
WinBUGS error 'expected key word END' caused by wrong exponential code (not length of data)
WinBUGS error 'expected key word END' caused by wrong exponential code (not length of data)
around this issue See my own answer above: it was the presence of X.Xe-X in stead of X.XE-X in the data set that led to 'expected key word END'Update 2 December 2015: FYI: I got the same error when I entered 2E-07 (changed from R-style 2e-07). The co
TAG : r
Date : November 19 2020, 09:01 AM , By : pepcoder
Predict with gls
Predict with gls
like below fixes the issue After researching the topic further, I realized that predict.gls is not a function in itself but rather used in the help files to identify and explain the arguments necessary to pass along with a gls object to the predict f
TAG : r
Date : November 19 2020, 09:01 AM , By : Mridul Pant

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