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R reshaping the data...

get id's of multiple rows in one cell in r data.table...

Converting dataframe from "wide" to "long" format with pairs of ID variables...

Long format dataframe column hierarchy...

How to pivot multiple columns from wide to long by matching all possible combinations in R?...

Best way to format this data for exploratory factor analysis, using R?...

Long format data: Calculate NA for year x as row mean of other years...

Transforming multiple hot-encoded columns and converting to long-format...

R: Long to Wide dataframe with concatenation of column values into one...

How to pivot four columns into two by adding a grouping label using dplyr?...

Transform table to wide format where not all columns are in long...

Longitudinal dataset: counting the number of repeats and storing the value in a variable...

How do I improve this syntax for creating a subset with factors?...

R: Wide to long format for dataframe with one single row and >250 columns...

How to reshape wide format data to long format?...

Split long format data frame by character indicator...

How to compare two or more lines in a long dataset to create a new variable?...

reshape function not mapping values correctly...

Using melt() function from data.table for multiple columns in R...

Use pivot_wider create new value columns based on id/group column...

transform data from wide to long in r...

Convert a matrix to matrix in long format in MATLAB in a fast way...

Multiple line plots in one graph from long format...

Writing a Python Dictionary consisting of lists for values to CSV in long data format...

Can an ANOVA be calculated using multiple columns?...

how to create a long format table from multiple columns...

Fetching values from one column based on other column keys in long-formatted dataset...

What is the stubname for fields with multiple separators?...

New variable calculation with input from multple groups in long format...