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Dan S. Reznik
Data Analytics Consultant, Instructor. Areas: Data Analytics, Geometry, Simulation, Visualization, Computer Vision, Robotics...
Workspace
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Published
By
Dan S. Reznik
Edited
May 15, 2021
1 fork
1
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FileAttachment
(
"julho.js"
)
.
json
(
)
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Object
.
keys
(
aq
.
op
)
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columnar
=
(
{
City
:
[
"London"
,
"Berlin"
,
"Madrid"
,
"Barcelona"
,
"Munich"
]
,
Country
:
[
"UK"
,
"Germany"
,
"Spain"
,
"Spain"
,
"Germany"
]
,
Population
:
[
8615000
,
3562000
,
3165000
,
1602000
,
1494000
]
}
)
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Object
.
keys
(
columnar
)
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columnar
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my_rands
=
generate_random
(
100
,
200
)
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five_nums
=
function
(
nums
)
{
return
{
min
:
Math
.
min
(
...
nums
)
,
q1
:
d3
.
quantile
(
nums
,
.25
)
,
median
:
d3
.
median
(
nums
)
,
q3
:
d3
.
quantile
(
nums
,
.75
)
,
max
:
Math
.
max
(
...
nums
)
}
}
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my_rands
Insert cell
my_rands
.
join
(
)
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five_nums
(
my_rands
)
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dt2
=
aq
.
table
(
{
'Seattle'
:
[
69
,
108
,
178
,
207
,
253
,
268
,
312
,
281
,
221
,
142
,
72
,
52
]
,
'Chicago'
:
[
135
,
136
,
187
,
215
,
281
,
311
,
318
,
283
,
226
,
193
,
113
,
106
]
,
'San Francisco'
:
[
165
,
182
,
251
,
281
,
314
,
330
,
300
,
272
,
267
,
243
,
189
,
156
]
}
)
;
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aq
.
fromJSON
(
`{
"schema":{"fields":[{"name":"a"},{"name":"b"}]},
"data":{"a":[1,3],"b":[2,4]}
}`
)
Insert cell
dt
=
aq
.
table
(
{
u
:
[
'a'
,
'a'
,
'b'
,
'b'
]
,
x
:
Int32Array
.
of
(
1
,
2
,
3
,
4
)
,
y
:
Float64Array
.
of
(
5
,
6
,
7
,
8
)
}
)
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dt
.
toHTML
(
)
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html
`${
dt
.
toHTML
(
)
}`
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Object
.
keys
(
aq
.
op
)
.
join
(
";\n"
)
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op
.
sequence
(
1
,
100
,
3
)
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import
{
aq
,
op
}
from
'@uwdata/arquero'
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One platform
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Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.
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my_rands
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five_nums
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