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types_of_variables
> class(data_cpo)
[1] "tbl_df"     "tbl"        "data.frame"
> mode(data_cpo)
[1] "list"
> str(data_cpo)
Classes ‘tbl_df’, ‘tbl’ and 'data.frame':	29 obs. of  3 variables:
 $ Day        : Date, format: "2015-08-18" "2015-08-19" "2015-08-20" ...
 $ CPO        : num  0.53 0.494 0.589 0.645 1.006 ...
 $ Impressions: num  41588 39130 33683 30473 16820 ...
 - attr(*, "drop")= logi TRUE
types_of_variables.txt · Last modified: 2016/11/04 11:14 by vincenzo