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Data Engineering
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Forum Posts

KNP
by New Contributor
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passing array as a parameter to PandasUDF

Hi Team,My python dataframe is as below.The raw data is quite a long series of approx 5000 numbers. My requirement is to go through each row in RawData column and calculate 2 metrics. I have created a function in Python and it works absolutely fine. ...

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Vidula
Honored Contributor
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Hello @Kausthub NP​ Hope all is well! Just wanted to check in if you were able to resolve your issue and would you be happy to share the solution or mark an answer as best? Else please let us know if you need more help. We'd love to hear from you.Tha...

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as999
by New Contributor III
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python dataframe or hiveSql update based on predecessor value?

I have a million in rows that I need to update which looks for the highest count of the predecessor from the same source data and replaces the same value on a different row.  For example.Original DF.sno Object Name  shape  rating1  Fruit apple round ...

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-werners-
Esteemed Contributor III
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basically you have to create a dataframe (or use a window function, that will also work) which gives you the group combination with the most occurances. So a window/groupby on object, name, shape with a count().Then you have to determine which shape...

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