docs: Adds example Calculate Residuals #3625
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Recreation of `vega-lite` example https://vega.github.io/vega-lite/examples/joinaggregate_residual_graph.html
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Thanks! This will become even prettier once #3505 is in. |
mattijn
approved these changes
Oct 2, 2024
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oh btw, you have to use underscores instead of spaces when using import altair as alt
from vega_datasets import data
imdb_rating = alt.datum["IMDB_Rating"]
chart = (
alt.Chart(data.movies.url)
.mark_point()
.transform_filter(imdb_rating != None)
.transform_filter(
alt.FieldRangePredicate("Release_Date", [None, 2019], timeUnit="year")
)
.transform_joinaggregate(AverageRating="mean(IMDB_Rating)")
.transform_calculate(RatingDelta=imdb_rating - alt.datum.AverageRating)
.encode(
x="Release_Date:T",
y=alt.Y("RatingDelta:Q").title("Rating Delta"),
color=alt.Color("RatingDelta:Q").title("Rating Delta").scale(domainMid=0),
)
)
chart |
🤦 |
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Recreation of
vega-liteexample https://vega.github.io/vega-lite/examples/joinaggregate_residual_graph.htmlI noticed the last example on Vega Theme Test didn't have an
altairequivalent.This PR will also bring us one step closer to #3519 (comment)
Really like how concise the methods syntax version ended up
Note
Wasn't able to use the url from
vega_datasets.data.movies.urlfor this, unsure why exactlyEdit
Fixed in docs: Use vega_datasets instead of url