In R, Matlab, NumPy and APL, reshape functions allow data to be transformed into more convenient forms.
Hoping there's a simple answer here but I can't find it anywhere. I have a numeric matrix with labelled rows …
r dataframe transformation data.table reshapeI have a dataframe (df) that looks like this: +---------+-------+------------+----------+ | subject | pills | date | strength | +---------+-------+------------+…
python pandas reshapeSuppose I had a 1-by-12 matrix and I wanted to resize it to a 4-by-3 matrix. How could I do …
matlab matrix reshapeI have the following data frame and i want to use cast to create a "pivot table" with columns for …
r reshape r-faqFor a dataframe like this: d = {'id': [1,1,1,2,2], 'Month':[1,2,3,1,3],'Value':[12,23,15,45,34], 'Cost':[124,214,1234,1324,234]} df = pd.DataFrame(d) Cost Month Value id 0 124 1 12 1 1 214 2 23 1 2 1234 3 15 1 3 1324 1 45 2 4 234 3 34 2 to which …
python pandas pivot-table reshapeIn the help files for dcast.data.table, there is a note stating that a new feature has been implemented: "…
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