plotting multiple graphs from a large data table
Hi, I have a data table in which I track rise in measurement for different devices in different weeks and every day in current week.This table is dynamic and can have 30-40 products in some weeks.I need to plot rise trend and no of measurements in a graph.If I plot all devices the graph becomes clumsy.So I create a column device_number and would like to plot 5 devices in one graph.At the end I wan...