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paulcerillo avatar image
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Retrieving historical constituent data using R

Hi Team, we have a client that is trying to retrieve historical data using R with the following code:

get_data('0#.KLSE(2018-01-01)', list('TR.InstrumentName', 'TR.CompanyMarketCap(ShType=OUT)'))

rstudio-2tcg9faionklse.png

but they are not able to retrieve it. Client said they were able to retrieve this previously with the below image similar output.

rstudio-pkcufo7lhv.png

I would like to emphasize that client is using R and not Python -- can you advise of possible cause of error for this? Why client can no longer retrieve historical constituents and market cap on R?

eikon-data-apirrefinitiv-data-platform-eikonconstituents
rstudio-2tcg9faionklse.png (6.5 KiB)
rstudio-pkcufo7lhv.png (60.6 KiB)
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3 Answers

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Jirapongse avatar image
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@paulcerillo

The problem can be replicated in Eikon Excel.

1686208846268.png

1686208871107.png


Please contact the Eikon support team directly to verify what the problem is.



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paulcerillo avatar image paulcerillo

Hello @Jirapongse , thank you. Your reply made me realized that TR.InstrumentName is not the correct data item to retrieve historical composition.

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paulcerillo avatar image
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@Jirapongse One last question please --
Do you know how this excel formula should be written in R?

=@TR(".KLSE","TR.IndexConstituentRIC;TR.IndexConstituentName;TR.IndexConstituentWeightPercent;TR.IndexConstituentShares","SDate=#1 CH=Fd RH=IN;date;calcdate",D4,20191224)

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Jirapongse avatar image
79.2k ●251 ●52 ●74

@paulcerillo

Please try this one:

data_frame2 <- get_data(".KLSE", 
                        list("TR.IndexConstituentRIC","TR.IndexConstituentName","TR.IndexConstituentWeightPercent","TR.IndexConstituentShares"),
                        list("SDate"="20191224"))
data_frame2

The output is:

1686217019505.png



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paulcerillo avatar image paulcerillo

@Jirapongse thank you very much!

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