Is there a node that generated random value for particular node ranging from 0-2
there are various options for this:
Probably the easiest to use is:
If you want finegrained control over the random data generation process take a look at the Modular Data Generation nodes, there you can find nodes like:
Is there are any node to implement label encoding/onehot encoding on categorical columns??
You can do this with the One to Many node:
Is there any node that shows incoming and outing data after row splitting. I think all IO nodes need file path i was looking for node which shows incoming data and then send the same data to other node.
(almost) every node in KNIME shows you the output data when you right click it and select the output table from the context menu. Here you can see it for the the Row Splitter node: