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I have a dataset named toyData.txt, which examines the effect of parameters (n,mu,sigma) on the...
I'm trying to simulate data for an experiment (learning purpose, self-taught) The purpose is to see...
So, with ths dummy dataset test_species <- c("a", "b", "c", "d", "e") test_abundance <- c(4,...
This question already has an answer here: Tidy data.frame with...
I'm struggling with a data reshaping problem. I have data approximately like this (but up to C10...
I have the following SQL table, lets call it teams_score which shows teams of 2 players for a game...
I have a pandas dataframe in the rough format print(df) Time GroupA GroupB Value1 Value2 0...
I have the following data.table: CASEID VISIT AVWEIGHT med.corrected DLYDOSE DLYFREQ 1: ...
I have pandas DataFrame: gene_name AAACGGGAGTGACTCT-1 AAAGATGCAGCGAACA-1 AAATGCCTCTGACCTC-1 0 ...
4 weeks ago

Double Group Sum

Ciao, I have two columns. Every row represents one student. The first column tells what class the...
I basically do reporting on marketing data and am trying work on some automation in R. In excel we...
This question already has an answer here: Cartesian product of a...
I have the following dataset: year type count 1560 Person 2 1560 Public 1 1560...
I am trying to find solution to melt data frame with character colnames, and keep getting factor...
I have the below dataframe: num type f 1: 1 aa 0.8103 2: 1 ba...
I have a data pipeline that I'm writing in Python with Pandas. It's working, and I mostly like it....
I have a data.table where the data I want is structured in a diagonal...
This question already has an answer here: Reshaping data.frame from...
I have a dataframe like this. i have regular fields till "state" then i will have trailers (3...
wondering if pd.melt supports melting multiple columns. I have the below examples trying to have...
I'm trying to dcast my data so that I can split out only the Actual values into a new column....
I want to make android app for editing video files. And I planned to project with ndk, so I think...
I know there are plenty of question specifically asking about melting or altering dataframes but...
I'm trying to melt 3 columns into one categorical column using pd.melt. Currently, the dataframe...
I have the data set: Time a b [1,] 0 5.06 9.60 [2,] 4 9.57 4.20 [3,] 8...
I have a big list of character vectors which looks something like this: List of 53095 $ 30875 :...
I have a dataframe that contains information that is linked by an ID column. The rows are...
This question already has an answer here: Reshaping data.frame from...
On my site I have ffmpeg set up to convert a list of image paths from a text file into a slideshow...