Data Visualisation Incorrect Graph


#22

Sir, kindly check these screenshots and let me know what changes to make


#23

Hi @ghoshsamadrita3 ,
That is the older and long method to plot a graph. Follow this link and you will be able to graph in 30 minutes.
You just need to write 4-5 lines of code https://tutorial.boltiot.com/bolt_iot/unit?unit=1&lesson=13 .