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Write code to restrict both data frames to cases

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Reference no: EM133370918

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Code in R:

Write code to restrict both data frames to cases in which the value of "Year" is 2020 and the value of "Code" is not the empty string, "", and is not the value for the whole world,"OWID_WRL". Please display the number of rows in the resulting data frames using the function `nrow`.

Reference no: EM133370918

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