R: stack multiple columns into single column while keeping column names in rows

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How to Stack Multiple DataFrame Columns into a Single Column in R

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How to Merge Dataframe Columns into One Row in R

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How to Stack Values in One Column by Factor Name in Another Column in R

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How to Pivot Multiple Values in R while Keeping the Same Name Column

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How to Sort a Dataframe with One Column While Retaining Its Format

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How to Stack a Column in a DataFrame While Retaining Information from Another Column

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How to Make a Column Name a Row Name in R Dataframe Without Modifications

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How to Expand One Column While Fixing Two Columns Using expand.grid() in R

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Efficiently sum a set of columns grouped by one column in R

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How to Combine Multiple Columns of Data into One When Pivoting Wider in R

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Reshaping a Dataframe in R: Transform Multiple Rows into a Single Row with Duplication

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How to Keep Columns with Matching Rows in R

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How to Extract and Append Data.table Columns into One New Column in R

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How to Extract a Single Row from a data.frame in R Without Losing Column Names

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How to Insert rows into a single column in an empty dataframe in R?

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Looping a Function Over Vector Elements: Efficiently Exclude a Column in R

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How to Sum Up Replicate Columns in DataFrame While Keeping Unique Rows

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How to Split a Structured String into Multiple Columns in R: A Detailed Guide

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Combining TRUE Values: How to Consolidate Logical Columns in Your Data Frame

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Easily Rename Column Names in R Batch with a Simple Digit Change

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How to Split a Row with Multiple Items into One Column by ID in R

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How to Append a Row in a data.table and Keep Column Names in CSV

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Efficient rowsum Calculation for Multiple Columns in R Using dplyr

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Efficiently Split DataFrames Based on Column Header Prefix in R