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John C. Lokman
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Utility Functions
By
John C. Lokman
Edited
Jun 1, 2024
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myArray
=
[
{
e
:
"trade"
,
E
:
1717200034326
,
s
:
"BTCUSDT"
,
t
:
3620990564
,
p
:
"67564.76000000"
,
q
:
"0.01479000"
,
b
:
27555370502
,
a
:
27555369806
,
T
:
1717200034326
,
m
:
false
,
M
:
true
}
]
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Inputs
.
table
(
myArray
)
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myTransposedArray
=
transposeArray
(
myArray
)
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Inputs
.
table
(
myTransposedArray
)
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myTransposedArray_withCustomColumnNames
=
transposeArray
(
myArray
,
{
col1Name
:
"Mysterious Letters"
,
col2Name
:
"Value"
}
)
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Inputs
.
table
(
myTransposedArray_withCustomColumnNames
)
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function
transposeArray
(
array
,
{
col1Name
=
"key"
,
col2Name
=
"value"
}
=
{
}
)
{
return
aq
.
from
(
array
)
.
fold
(
Object
.
keys
(
array
[
0
]
)
)
.
rename
(
{
key
:
col1Name
}
)
.
rename
(
{
value
:
col2Name
}
)
.
objects
(
)
}
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import
{
Wrangler
,
op
}
from
"@observablehq/data-wrangler"
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myArray
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myTransposedArray_withCustomColumnNames
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