Sedikit terlalu mengecualikan

Pemrograman dengan dplyr

Dr. Chester Ismay

Educator, Data Scientist, and R/Python Consultant

Diagram setdiff

diagram setdiff

Tibble lagi

uruguay_imf_filtered

# A tibble: 5 x 3
  iso   country  year
  <chr> <chr>   <int>
1 URY   Uruguay  2010
2 URY   Uruguay  2011
3 URY   Uruguay  2012
4 URY   Uruguay  2013
5 URY   Uruguay  2014

uruguay_wb_filtered

# A tibble: 4 x 3
  iso   country  year
  <chr> <chr>   <dbl>
1 URY   Uruguay  2013
2 URY   Uruguay  2014
3 URY   Uruguay  2015
4 URY   Uruguay  2016

setdiff()

setdiff(uruguay_imf_filtered, uruguay_wb_filtered)

# A tibble: 3 x 3
  iso   country  year
  <chr> <chr>   <dbl>
1 URY   Uruguay  2010
2 URY   Uruguay  2011
3 URY   Uruguay  2012

Union sebelumnya()

union_one_way <- union(uruguay_imf_filtered, 
                       uruguay_wb_filtered)
union_one_way

# A tibble: 7 x 3
  iso   country  year
  <chr> <chr>   <dbl>
1 URY   Uruguay  2010
2 URY   Uruguay  2011
3 URY   Uruguay  2012
4 URY   Uruguay  2013
5 URY   Uruguay  2014
6 URY   Uruguay  2015
7 URY   Uruguay  2016

union_other <- union(uruguay_wb_filtered, 
                     uruguay_imf_filtered)
union_other

# A tibble: 7 x 3
  iso   country  year
  <chr> <chr>   <dbl>
1 URY   Uruguay  2013
2 URY   Uruguay  2014
3 URY   Uruguay  2015
4 URY   Uruguay  2016
5 URY   Uruguay  2010
6 URY   Uruguay  2011
7 URY   Uruguay  2012

Contoh setequal()

setequal(union_one_way, union_other)

[1] TRUE

Ayo berlatih!

Pemrograman dengan dplyr