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Data manipulation with forecasting data...

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reshape from long to wide of non-categorical values...

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Complex Reshaping of Data Frame, tracking record edits...

Reshape multiple categorical variables to binary response variables...

Applying melt function to multiple .txt files...

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R rbind and group by using dplyr...

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on dcast() argument "value.var"...

stacking/melting multiple columns into multiple columns in R...

restructuring a data frame of co-variances from long to wide...

converting a covariance matrix to a data frame with covariance variables...

Fast melted data.table operations...

Relative Change Calculation...

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Tidy data.frame with repeated column names...

Convert wide to long in two variables...

Reshaping the dataframe using dcast()...