Paquetes con los que se trabajo:

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BDSISVER202207102022 <- read_excel("C:/Users/fidel/OneDrive - CINVESTAV/Proyecto colaboración SSA/base de datos/BDSISVER202207102022.xlsx")

bdcovidsin<-BDSISVER202207102022
# Encuentra las columnas de tipo POSIXt
# Mostrar el dataframe actualizado
print(bdcovidsin)
## # A tibble: 61,944 × 130
##    ORIGEN        SECTOR  ID_REGISTRO CVEENTUNI CVEMUNUNI ENTIDAD   DELEGA UNIDAD
##    <chr>         <chr>         <dbl>     <dbl>     <dbl> <chr>     <chr>  <chr> 
##  1 FUERA DE USMI PRIVADA     4537451        25         6 SINALOA   SINAL… SANAT…
##  2 USMI          SSA          729092        25         6 SINALOA   SINAL… HOSPI…
##  3 FUERA DE USMI PRIVADA     5047864        25         6 SINALOA   SINAL… SANAT…
##  4 FUERA DE USMI IMSS         738624        25         6 SINALOA   SINAL… UMF  …
##  5 USMI          ISSSTE       729527        25         6 SINALOA   SINAL… DR. M…
##  6 FUERA DE USMI PRIVADA     5046938        25         6 SINALOA   SINAL… SANAT…
##  7 USMI          IMSS        3055779        25        11 SINALOA   SINAL… HGZMF…
##  8 USMI          IMSS        2320070        25        11 SINALOA   SINAL… HGZMF…
##  9 USMI          SSA          729771         9        12 CIUDAD D… CIUDA… INSTI…
## 10 FUERA DE USMI SSA          728464        25         6 SINALOA   SINAL… OFICI…
## # ℹ 61,934 more rows
## # ℹ 122 more variables: FECHREG <dttm>, CLUES <chr>, `FOLIO SINAVE` <dbl>,
## #   FOLIO_IMSS <chr>, APEPATER <chr>, APEMATER <chr>, NOMBRE <chr>, SEXO <chr>,
## #   CURP <chr>, ENTNACI <chr>, ENTRESI <chr>, CVENTINE <dbl>, MPIORESI <chr>,
## #   CVEMUNI <dbl>, LOCRESI <chr>, CVELOCAL <dbl>, LATLOCA <dbl>,
## #   LONGLOCA <dbl>, TIPACIEN <chr>, EVOLUCI <chr>, FEGRESO <dttm>,
## #   FECDEF <dttm>, SEMDEF <dbl>, CERTIDEF <chr>, DEFPORINF <chr>, …
#freq(bdcovidsin)

bdcovidsin %>% select(FECHREG,FEGRESO,FECDEF,FECNACI,FECINGRE,FECINISI)
## # A tibble: 61,944 × 6
##    FECHREG             FEGRESO             FECDEF             
##    <dttm>              <dttm>              <dttm>             
##  1 2021-01-05 00:00:00 2021-01-03 00:00:00 NA                 
##  2 2020-04-05 00:00:00 2020-04-03 00:00:00 2020-04-03 00:00:00
##  3 2021-01-19 00:00:00 2021-01-08 00:00:00 NA                 
##  4 2020-04-06 00:00:00 2020-04-15 00:00:00 NA                 
##  5 2020-04-05 00:00:00 2020-04-09 00:00:00 2020-04-09 00:00:00
##  6 2021-01-19 00:00:00 2021-01-06 00:00:00 NA                 
##  7 2020-10-23 00:00:00 2020-11-05 00:00:00 NA                 
##  8 2020-08-30 00:00:00 2020-09-10 00:00:00 NA                 
##  9 2020-04-05 00:00:00 2020-03-19 00:00:00 NA                 
## 10 2020-04-05 00:00:00 2020-03-31 00:00:00 NA                 
## # ℹ 61,934 more rows
## # ℹ 3 more variables: FECNACI <dttm>, FECINGRE <dttm>, FECINISI <dttm>
#verificamos que sean realmente fechas

str(bdcovidsin$FECINISI)
##  POSIXct[1:61944], format: "2020-12-20" "2020-03-01" "2020-12-22" "2020-03-12" "2020-03-14" ...
#en caso, de no serlo debemos de convertir
bdcovidsin$FECINISI = as.Date(bdcovidsin$FECINISI)

#str(bdcovidsin$FECINISI)

## set the report date for the report
## note: can be set to Sys.Date() for the current date
data_date <- as.Date("2015-05-15")

#install.packages("parsedate")
ggplot(data = bdcovidsin) + 
  geom_histogram(aes(x = FECINISI),binwidth = 3,fill="skyblue", colour = "black", size = 0.1) 
## Warning: Using `size` aesthetic for lines was deprecated in ggplot2 3.4.0.
## ℹ Please use `linewidth` instead.
## This warning is displayed once every 8 hours.
## Call `lifecycle::last_lifecycle_warnings()` to see where this warning was
## generated.