The answers to this question document that the tidyverse analog of reshape2::melt() is tidyr::pivot_longer(). That's true, as far as it goes, but I st ...

I am a complete beginner in R. I installed R couple of days ago to complete my course assignment. One of the instructions was that I have to change th ...

I have two datasets Data and Data1. I want to merge these keeping all difference while adding the numeric values together in the new table for all com ...

I have a data frame that needs to be converted like so below. I would like to convert the headers accts into their own values in rows while keeping ac ...

Follow-up from my last question: regex column selection inside pd.melt function I used the following code to pivot_longer columns that match the stri ...

I have a pandas dataframe that look something like this: I want to unpivot all columns inside 'BB' and keep all columns inside 'AA' as identifiers. ...

I have a composite score (BASFI) which consists of components Q1-Q10 and a bunch of variables I want unchanged. I wanted to go from a wide format to a ...

I have a dataset of patient info, 25 DX codes, and 20 Procedure codes. Each code is in its own column so my table is 45 columns wide just between diag ...

I think this is a basic question, but it seems to be frustrating me... I am using R and have data in long format; a data.frame with each value a stri ...

Note: Please note that I have tried the following to solve my problem before posting: Transpose / reshape dataframe without "timevar" from long t ...

I am fairly new to Python, so excuse me if this question has been answered before or can be easily solved. I have a long data frame with numerical var ...

Edit: 2022NOV21 How do we chain df.col.str.split() since this returns the split columns if expand = True I am trying to split a column after performi ...

I have this dataframe: And I'd like to unstack (or melt? or pivot?) the dataframe so that for every Coupon in the index, the SMM_diff gets its own ...

The data is similar to that indicated as below. It would greatly be appreciated if somebody can help me in this case. Gene Control expression Cancer ...

I have a list waterlevels of nine identical dataframes containing information about piezometers K01 to K09. Each of these dataframes contains 96860 ro ...

I've got some scores post-ssGSEA score calculation into four data frames in r. The data frame looks something like this: I wish to visualize the ...

Imagine I have a dataframe as such: For every ID, CV, TR combination that has two timepoints (being "2022-08-29" & "2022-09-05") I would like t ...

I have the following data: I want to convert this wide data to a long format, like so: ...

I have a dataframe that looks like this: I am using melt to pivot the last three columns, and the result looks like this: Why is the melt sorts ...

I have following data in R: I want to arrange my data like this: I tried, shape, melt, but both are not providing desired output. Please suggest ...