Hello list

I have this data frame which represent values grouped by algorithm.
remark that for each algorithm, we have the same value in V3 but differnt
values in V4.
I want to make a plot with algorithms in axes, and for each algorithm I
draw a bar (for V3) and a bwplot for V4.
is thart possible.
Thanks for any entry.



> t[t[,2]<3,]
          V1 V2       V3       V4
1    HEFT-AC  1 402499.9 460543.4
2    HEFT-AC  2 402499.9 470316.8
31  HEFT-ACU  1 420814.2 433203.7
32  HEFT-ACU  2 420814.2 453475.8
60       LPT  1 402499.9 460543.4
61       LPT  2 402499.9 470316.8
90       SPT  1 453262.3 459070.3
91       SPT  2 453262.3 483893.6
119  MIN-MIN  1 447286.4 477632.5
120  MIN-MIN  2 447286.4 488146.3
149  MAX-MIN  1 457122.6 498265.2
150  MAX-MIN  2 457122.6 491143.3



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