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Dan S. Reznik
Data Analytics Consultant, Instructor. Areas: Data Analytics, Geometry, Simulation, Visualization, Computer Vision, Robotics...
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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
]
}
)
;
Insert cell
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"
)
Insert cell
op
.
sequence
(
1
,
100
,
3
)
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import
{
aq
,
op
}
from
'@uwdata/arquero'
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my_rands
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five_nums
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dt
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