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For additional
You can use toDebugString to see all the steps in job.
Best
Bojan
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= data.map((x,y,z) = (x,y))
val d2 = data.map((x,y,z) = (y,x))
Furthermore, consider:
val d3 = d2.map((x,y) = (y,x))
d2 and d3 are equivalent. What implementation should be preferred?
Thx.
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