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implement mean and stddev for Decimal128 #3157

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universalmind303 opened this issue Oct 31, 2024 · 0 comments · May be fixed by #3159
Open

implement mean and stddev for Decimal128 #3157

universalmind303 opened this issue Oct 31, 2024 · 0 comments · May be fixed by #3159
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enhancement New feature or request needs triage

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@universalmind303
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Is your feature request related to a problem?

i want to run mean and stddev on decimal dtypes

Describe the solution you'd like

import daft
from daft import col, lit

d_col = col("floats").cast(daft.DataType.decimal128(5, 2))
df = (
    daft.from_pydict({"floats": [328.00, 300.00]})
    .agg(d_col.stddev())
    .collect()
)
df

Describe alternatives you've considered

casting to floats, but this may lose some precision.

Additional Context

No response

Would you like to implement a fix?

No
@universalmind303 universalmind303 added enhancement New feature or request needs triage labels Oct 31, 2024
@samster25 samster25 linked a pull request Nov 1, 2024 that will close this issue
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[CHORE] implement mean and stddev for decimal Eventual-Inc/Daft
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@universalmind303