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Find variables that occur only once across a split data.frame in R

Using BASE R, I wonder how to answer the following question:Are there any value on X or Y (i.e., variables of interest names) that occurs only in one element in m but not others? If yes, produce my...

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logical operators and, or are not working

The R condition is not working properly. I am using logical operators && and || but both are not working.df = data.frame(c("enrty 1","enrty 2","enrty 3") ,c(12200, 1, 120), c(111111, 12, 123),...

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ARIMA fitted model gives NULL

I am trying to plot the residuals vs. the fitted values, but when I use the fitted function on my ARMA model, the output I receive is NULL. The data I am using is 500 values between roughly -5 and 5....

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Evaluate an operation in a dataframe's context

I'm working with formulas in a package, and I'd like to remove all non-numeric terms.My problem is that, since the base formula may contain operations, I cannot evaluate some terms directly.Here is a...

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How to fixa 'replacement has 21 rows, data has 20' Error in Rstudio

Here is my data, enter image description hereI know that I have many missing data which are not available N/A. I wrote in Rstudio to determine the clusters for my data after knowing that the optimum...

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Combine imputed data by group in r using mice

my question is a follow-up to this question on imputation by group using "mice": multiple imputation and multigroup SEM in RThe code in the answer works fine as far as the imputation part goes. But...

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Create new column with values from certain rows of other columns

I have a dataframe that looks like this:df <- data.frame(Subject = c(rep("A", 6), rep("B", 6)), Trial = c(rep(c(rep(1, 2), rep(2, 2), rep(3, 2)), 2)), Feature_1 = c(rep(123, 2), rep(234, 2),...

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quick way to fit the same mixed model to multiple dataframes or subsets?

I have dataset containing growth data for multiple crops. The experiment treatment is within-crop (i.e. I am not comparing between crops) and has a randomised block design, with repeated measures over...

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How do I extract the 100 columns with the highest variance?

I got a list object with 4983 rows and 369 collumns. Every columns is a different sample and every row is one value of this sample. Now I need to extract the 100 samples that have the highest variance...

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Why optim() always gives me the same result?

I'm trying to use bootstrapping to calculate the confidence interval of MLE of parameter v. But in every iteration, optim() gives me the same result. Why is this happenning?Here's my code:# Create...

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Combine data frame with one value for each date with data frame with several...

I want to merge two dataframes. DF2 has one temperature value for each day while DF1 has several entries for each day. So I want to look up the temperature for one day in DF2 and have it added to every...

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Column headers disappearing in rendered table

As in the image, some of the column names of rhandsontable disappear when it is rendering. I tried adding colHeaders, rhandsontable(data, stretchH = "all"). Nothing works. Any suggestions would be...

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bootMer output of lme4 linear mixed model: correct structure? at what level...

I have a linear mixed model that describes the relation between a continuous outcome and the interaction between a binary grouping variable (subjects are 1 out of 2 genotypes) and a time variable (5...

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How to use par() to combine four ggpar-objects into one in R?

I know that there are countless of questions on how to combine plots. However, I have not found a solution that works for my request. Please, find a Data sample below.I have four plots, which all are...

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Creating graphics/visualisations from C++ (Qt) and passing them to R

I have a C++/Qt library that is producing some specialised visualisations; the visualisations are currently produced using Qt's QPainter system and primitives. I would like to extend my library to...

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create an input select box that is dependent on a previous input choice in...

i want to take two select input boxes in which ...first one will print the label like 'raj' and 'other' the second one will print the 30 names of the district when raj is clicked and 34 names of state...

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Write lines of text to a file in R

In the R scripting language, how do I write lines of text, e.g. the following two linesHello World to a file named "output.txt"?

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How to center a variable in a function in R

This is a following question of this question. In my function, I would like to:create a new data frame with no missing valuescenter some variables (i.e., iv1 and iv2) and add them to a new data frame...

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Problems editing plot

I have a plot function but is a bit static-y, so I am trying to clean it up with ggplot. This is a class assignment so, and I am told that there are 8 peaks to identify. They can kind of see them in...

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How to split colums into multiple colums and find frequency in R?

ODK response1 1; 2 1; 2; 3 1; 2; 3; 5 1; 2; 4 1; 2; 4; 5; 6 1; 2; 4; 6 1; 2; 4; 7 1 is Crop failure- 2 is Water shortage 3 is Land degradation 4 is Lack of HH Labor 5 is Lack of income from agriculture...

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