Reshape a multi-index dataframe...

R melting/gathering file with 2 heading rows into attributes...

Melting large dataframes--is there a practical size limit for reshape2's melt?...

GCC Plugins, GCC Melt or gcc Python plugins to write a gcc extension...

Reshape2 melt error "One or more values in 'id.vars' is invalid"...

R: Collapse multiple boolean columns into single attribute column with new rows for each combination...

Create subgroups in data.table...

How to I convert a pandas dataframe row into multiple rows...

Python: Add aggregated columns to DataFrame based on the Key and additional conditions...

Difficulty with Long to Wide to Long Format in R...

How to melt and plot multiple datasets over different ranges on the same set of axis?...

Matching columns in data set with its class, similar to VLOOKUP...

how to convert multiple columns and their headers into rows...

Recast in R gives different value...

How to create a single column of monthly values from rows with quarterly data with Pandas in Python?...

R - ggplot2 - plots and aes depending on multiple variables creates zigzag despite monotone data...

Forcing upper triangle values to lower triangle values in matrix after melt...

R ggplot : loop over data frame source...

Why does melt (reshape2) substitute column names by column order numbers?...

Plotting all observations but colour them based on different group...

Shape a huge data.table (1,000,000 × 4,000 alias 8GB) from wide to long...

How can I make a pivot_table with categorical values?...

Converting a nested (3-level) list to a long/tall format data frame...

Split column into multiple columns based on variable...

Data transformation from columns to rows in r...

How do I apply the same action to all Excel Files in the directory?...

Long to wide with different number of rows for each group/ID...

Convert wide to long format using melt without column name in long format dataframe...

Pandas dataframe use columns as rows (melt)...

Plotting multiple X variables for one continuous Y variable in a single plot...