Data yang akan dianalisa dalam tugas LBB kali ini diambil dari kaggle, yakni Total Sales 2018 dari Grocery Shop.
- Pertama - tama, lakukan input dan pengecekan struktur data:
## 'data.frame': 23180 obs. of 16 variables: ## $ Date : Factor w/ 12 levels "01.01.2018","01.02.2018",..: 1 1 1 1 1 1 1 1 1 1 ... ## $ PKod : int 5307 5986 399 2246 2247 1305 1142 17316 3818 1143 ... ## $ Pgroup : Factor w/ 36 levels "ART._HYGIENIC",..: 6 6 12 12 12 12 12 18 12 12 ... ## $ Pname : Factor w/ 5134 levels " PATYCZKI BELLA 200",..: 1 8 18 19 20 21 23 24 25 27 ... ## $ Pquantity : Factor w/ 1208 levels "0,03","0,04",..: 139 139 871 871 871 972 871 1033 1033 871 ... ## $ pce_zn : Factor w/ 1536 levels " ","0,01","0,02",..: 176 934 779 779 779 779 779 779 779 779 ... ## $ pwa_zn : Factor w/ 5783 levels "0,01","0,04",..: 168 2789 256 256 256 823 256 1258 1258 256 ... ## $ pce_sn : Factor w/ 1573 levels "0,1","0,16","0,2",..: 685 1249 1021 1021 713 1021 1021 1021 1021 1021 ... ## $ pwa_sn : Factor w/ 5803 levels "0,1","0,19","0,2",..: 1797 4192 1105 1105 404 1617 1105 2114 2114 1105 ... ## $ pce_sb : Factor w/ 1583 levels "0,12","0,2","0,25",..: 698 1380 1029 1029 1029 1029 1029 1029 1029 1029 ... ## $ pwa_sb : Factor w/ 6020 levels "0,12","0,2","0,24",..: 1861 4795 1160 1160 425 1736 1160 2273 2273 1160 ... ## $ pudzsb : Factor w/ 181 levels "0","0,01","0,02",..: 1 2 3 3 2 3 3 4 4 3 ... ## $ pmarza : Factor w/ 3998 levels "-0,04","-0,07",..: 2251 3318 2054 2054 3618 2054 2054 2054 2054 2054 ... ## $ pmarzajedn: Factor w/ 934 levels "-0,01","-0,02",..: 295 487 327 327 232 327 327 327 327 327 ... ## $ pkwmarza : Factor w/ 3775 levels "-0,01","-0,02",..: 336 1451 2539 2539 324 2887 2539 3146 3146 2539 ... ## $ pudzmarza : Factor w/ 191 levels "-0,01","-0,02",..: 21 23 25 25 21 26 25 27 27 25 ...