5.11 Exercises: question 3 python code

[georgeleeyeah]

is it a typo? ds.dt.year >= 1992 instead of ds.dt.year >= '1992'

recent_production = aus_production.query(
"ds.dt.year >= '1992' and unique_id == 'Beer'"
)

[1as-sys]

is it a typo? ds.dt.year >= 1992 instead of ds.dt.year >= '1992'

recent_production = aus_production.query( "ds.dt.year >= '1992' and unique_id == 'Beer'" )

Yes, it’s a typo. You should use without quotes for numbers
ds.dt.year >= 1992

[robjhyndman]

Thanks. Now fixed.