Hi R community,
i have a data frame of streamflow for 23 years, i.e.

        date year month day   wy  yd wyd      modQ
1 1965-10-01 1965    10   1 1966 274   1 0.3341630
2 1965-10-02 1965    10   2 1966 275   2 0.3223247
3 1965-10-03 1965    10   3 1966 276   3 0.3109057

i only want to plot 1 of the years, along with the date.
i can accomplish this with:

plot(mod.sage$date[mod.sage$wy==1976],mod.sage$modQ[mod.sage$wy==1976],
type="l")

however, this is a bit long and clunky. is there a way to plot just a
portion of the full data record without creating a whole new object with
subset?

thank you for any help!
Janet

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