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Query about the formula

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MS_Latha
Level 2
Query about the formula

Hi experts, I am working on the core designer certification.

I have one of the tasks to calculate the percapita. To convert from country “total” data to “per-capita” data divide by the country's population. I am using this formula

numval(" Oil production (Etemad & Luciana) (terawatt-hours)") / numval("population")

but after applying this formula I am getting an empty output column. Guide me to get through this . 

thankyou

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1 Solution
MiguelangelC
Dataiker

Hi,

This corresponds to step 5 of the certificate's instructions. In this step there is also a hint that tells us how to solve this problem:

Hint 2: The Formula page in the reference documentation shows the proper syntax for using formulas to read column values when the column names include spaces.

The link brings you here: https://doc.dataiku.com/dss/latest/formula/index.html#reading-column-values

 

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4 Replies
MiguelangelC
Dataiker

Hi,

This corresponds to step 5 of the certificate's instructions. In this step there is also a hint that tells us how to solve this problem:

Hint 2: The Formula page in the reference documentation shows the proper syntax for using formulas to read column values when the column names include spaces.

The link brings you here: https://doc.dataiku.com/dss/latest/formula/index.html#reading-column-values

 

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MS_Latha
Level 2
Author

Thank you so much for the guidance. I successfully completed my core designer certification. 

CoreyS
Dataiker Alumni

Congratulations @MS_Latha

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MSL
Level 2

Thank you very much 😊 

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