Hi @vickyregi, welcome to the KNIME forum
To have a look at a decision tree example with a binary/classification target you could try this example and swap the data and possibly the algorithm:
For a more extensive discussion about predicting numbers I have recently collected some entries.
Since this is an assignment you might want to think about your own research and contribution into this ![]()
Then one general remark. It is not so easy to predict numbers like unemployment rate or GDP just from a time series since a myriad of factors would play into that - economists and others are constantly struggling to do this.
Cf. also this debate with a example for GDP figures: