Oi, tudo bem? Realizei o passo a passo da aula e no moemento em que utilizei a função str para verificar os tipos de dados do conjunto apreceu algo diferente do que apareceu no do instrutor, queria entender o possível significado dessa nova informação.
> str(notas)
spec_tbl_df [64,295 x 7] (S3: spec_tbl_df/tbl_df/tbl/data.frame)
$ X : num [1:64295] 1 2 3 4 5 6 7 8 9 10 ...
$ App : Factor w/ 1074 levels "10 Best Foods for You",..: 1 1 1 1 1 1 1 1 1 1 ...
$ Translated_Review : Factor w/ 27995 levels "'Crash issues",..: 9699 23855 17231 27357 2078 2170 1034 17231 15970 14247 ...
$ Sentiment : Factor w/ 4 levels "nan","Negative",..: 4 4 1 4 4 4 4 1 3 3 ...
$ Sentiment_Polarity : num [1:64295] 1 0.25 NA 0.4 1 1 0.6 NA 0 0 ...
$ Sentiment_Subjectivity: num [1:64295] 0.533 0.288 NA 0.875 0.3 ...
$ data : POSIXct[1:64295], format: "2016-01-20 08:31:00" "2017-11-04 03:40:00" NA ...
- attr(*, "spec")=
.. cols(
.. ...1 = col_double(),
.. App = col_character(),
.. Translated_Review = col_character(),
.. Sentiment = col_character(),
.. Sentiment_Polarity = col_double(),
.. Sentiment_Subjectivity = col_double(),
.. data = col_datetime(format = "")
.. )
- attr(*, "problems")=<externalptr>
apareceu isto de diferente:
- attr(*, "spec")=
.. cols(
.. ...1 = col_double(),
.. App = col_character(),
.. Translated_Review = col_character(),
.. Sentiment = col_character(),
.. Sentiment_Polarity = col_double(),
.. Sentiment_Subjectivity = col_double(),
.. data = col_datetime(format = "")
.. )
- attr(*, "problems")=<externalptr>
