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Making long data wide with nested categories...

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Pivot / Reshape data...

Split a long form into rows but with duplicates merged as a string delimited with ";"?...

dcast a data.table in r...

Reshaping a data.frame...

Pivot by group for unequal data size...

Converting long format to wide format...

loop through df, grep, then split...

Seeking R function to melt 5-dimensional array, like pivot_longer...

R Long to wide with count and sum...

restructure large data frame with multiple data types...

How to reshape a wider data.frame to longer data.frame in R?...

Stack multiple columns in one based on column name...

R: "Unary operator error" from multiline ggplot2 command...

How to collapse long data set into wide data using date...

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How to reshape the data in R , apply top date row as column and group by id in...

Wide to long: multiple columns, two timepoints, two groups...

Split groups in bar plot...

Multiple Melts with categories and sub-categories in R...

Using the first column for variable names and vice versa with reshape...

Pairwise matrix to list of outcomes...

Paste 2 data frames side by side without any key...

segfault in R using reshape2 package and dcast...

Reshape based on repeating rows in first column in R...

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Reshape weekly data...

How to bind columns based on character string...