18 Comando
library(tidyverse)
library(tidytext)
library(tm)## Loading required package: NLP
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## Attaching package: 'NLP'
## The following object is masked from 'package:ggplot2':
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## annotate
library(lubridate)
library(zoo)
library(scales)##
## Attaching package: 'scales'
## The following object is masked from 'package:purrr':
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## discard
## The following object is masked from 'package:readr':
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## col_factor
## The following objects are masked from 'package:psych':
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## alpha, rescale