PM4 Energy usage - Jan 21 to Aug 21

import pandas as pd import matplotlib as plt df = pd.read_csv("Steam data jan to aug 2021.csv") df["Grade"] = df["Grade"].fillna(method="ffill") df["steam kg/kg"] = df["Steam Flow to Dryers"]/df["PM4 Production Rate"] gradeList = df["Grade"].unique().tolist() for i in gradeList: df1.loc([df["Grade"]==i]) plt.lineplot(x="steam kg/kg", y="Time", data=df1);