I am using 2 csv files and the "inputlookup" method.  Right now I am appending one of the csv to another csv, but the line chart that is displayed out only have one line. Both of the csv files has the same fields but i want the the graph to have 2 lines, one line for the first "batch" and the second line for the second "Batch" . How do I write the codes to let the graph get sorted by the "Batch" number so there will be 2 lines? Current codes :   | from inputlookup:"5019609_V-094_9007270566.csv"| append [| from inputlookup "5019609_V-094_9007280926.csv"] |  fields  Hr  MatlTemp Current Picture of line graph :     ... View more