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New posts in reshape
Count occurrences in DataFrame
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odd row.names columns appear in reshape
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Collapsing multiple columns containing the same variable into one column
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How to reference the last column in pivot_longer() without naming it or providing the index number?
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transform data frame from wide to long (several variables) using separator [duplicate]
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tidyverse
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How are 'numpy.reshape' and 'ndarray.reshape' equivalent?
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Find the maximum value along with its group ids for each column
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