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Columbia University Libraries Studio
Committed to supporting emerging practices in pedagogy and digital scholarship.
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Public
By
Moacir P. de Sá Pereira
Edited
Feb 20, 2023
1 fork
1 star
1
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df
=
dtFromParquet
(
FileAttachment
(
"yellow_tripdata_2021-01.parquet"
)
)
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df
.
view
(
)
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Type JavaScript, then Shift-Enter. Ctrl-space for more options. Arrow ↑/↓ to switch modes.
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// Roger names the .csv dataframe `taxi`
taxi
=
df
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taxi
.
columnNames
(
)
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1
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taxi
.
columns
(
)
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tooEarly
=
{
const
jan1
=
new
Date
(
"2021-01-01"
)
;
return
taxi
.
filter
(
aq
.
escape
(
(
ride
)
=>
ride
.
tpep_pickup_datetime
<
jan1
)
)
;
}
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tooEarly
.
view
(
)
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op
.
min
(
tooEarly
.
column
(
"tpep_pickup_datetime"
)
)
.
fields
[
0
]
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Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
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