<jupyter_start><jupyter_text>b - value analysis The magnitude count is at its peak at 3.7, thus we will choose 3.7 as the cut-off magnitude.<jupyter_code>df_2=df_2.loc[df_2.Magnitud >= 3.8,:]
df_2=df_2.loc[df_2.Fecha > "1974-00-00",:]
df_2.reset_index(drop=True,inplace=True)

df_magnitud_count = df_2[["Magnitud"]].groupby(["Magnitud"]).size().reset_index(name='counts')
df_magnitud_count.plot(x="Magnitud",y="counts")
df_2.to_csv("../../data/DATA_2.csv", index=False)<jupyter_output><empty_output>