when I use tidyr's gather() function and manipulate my dataframe, I lose row names of prev. data frame. this is output of my rstudio console after ...

I have a dataframe named 'res', where the row names are numbers corresponding to genes. I am wondering how to give the row names of my dataframe th ...

I have a dataset where multiple raters rate multiple subjects. I'd like to rearrange the data that looks like this: into data that looks like this ...

When I'm attempting to answer this question, I noticed that row.names(x) <- vector is not working when using lapply on a list of data frames, while ...

I have a sparce matrix (coo_matrix) like this: type(matrix) scipy.sparse.coo.coo_matrix print(matrix) (0, 14) 1.0 (1, 17) 1.0 (3, 6) 1. ...

I have an output which looks like the following code: Ideally, using dplyr, I would like to convert it to a vector like this: Is there anyway I ...

My tcga data's barcode, row name, looks like this. TCGA-4P-AA8J-01A-11D-A390-01 I want to change it to this form using a for loop. -> TCGA.4P.AA8 ...

I have a matrix that has rownames: Expected outcome How do I do that? ...

I would like to delete a row in my data frame by not using the row number but instead an identifier within the row itself. This is because in the futu ...

I have a bunch of lists, and I want to rename the rows using a master data.frame. Here's an example list I created: And here's the master data.fra ...

I have the dataset like below, And I want to convert the first column as a rowname of the dataframe. I have tried many codes like, and some ot ...

I have a data frame named AE, typically I set the row names to NULL to allow an rbind. In this cases when I do that, the row.names are still "1","2", ...

I have df1: and df2: my goal is to update only the values in df1 with values of df2 where their rownames are identical: I feel this shoul ...

I have 2 different tibbles, and have to find out how many of the rows from the first tibble is also present in the second tibble. Both tibbles have a ...

I imported an excel file with animal data that looks something like this: AnimalID Sex Body Weight District ...

Hej, This might have been reviewed before, plus my R skills are getting rusty, but I am trying to generate a new dataframe, where rownames will be ge ...

I wanted to use this solution, two merge two data.tables by row name. It does however not work. I get the error: How would this work in data.tab ...

I notice that if the row names of the dataframe follows a sequence of numbers from 1 to the number of rows. The row names of the dataframe will disapp ...

Consider the following data.frame in R: If the rownames is "Fishery" or "Industry", I want to set the row values to 0. I could easily do it like th ...

I wonder why two data frames a and b have different outcomes when a non-existent rowname is retrieved. For example, Let's try to get "A10", "A1", " ...