[R] Freq table

[Partha Sinha]

M1 M2 M4
60 86 48
72 90 86
66 86 62
69 60 48
66 86     58
I  want to frequency table by binning the data in 0-60, 61-80,80-100
and want output as
           M1   M2   M3
0-60
61-80
80-100

How to do

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