Kuxazululiwe: gcina futhi ulayishe njenge-rdata

Ngesikhathi sokuhlaziywa kwezibalo nokufunda komshini, ukuhlela kuka-R kunikeza ukusetshenziswa kokulondoloza nokulayisha idatha ngenjongo yokuyisebenzisa futhi uma kudingeka. Ukusebenzisa lesi sici kubalulekile ekwenzeni inqubo yakho yokuhlaziya isebenze kahle ngokulondoloza isikhathi nezinsiza zokubala. Ivumela ukuphathwa ngokushesha kwedatha, ivimbele isidingo sokusebenzisa imibhalo noma izibalo eziyinkimbinkimbi ngaso sonke isikhathi. RDData ifomethi yefayela esetshenziselwa ukugcina izinto zika-R kufomu kanambambili ezingalayishwa zibuyiselwe ku-R uma kudingeka. Lesi sihloko sizoxoxa ngamabomu ngenqubo yokulondoloza nokulayisha idatha kusetshenziswa i-RData kuhlelo lwe-R incazelo yesinyathelo nesinyathelo yengxenye yekhodi esizoyisebenzisa ukwenza kanjalo.

Ilondoloza njenge-RData

Isinyathelo sokuqala sibandakanya ukulondoloza umsebenzi wakho kufayela le-RData. Lokhu kufezwa ngokusebenzisa i- gcina() umsebenzi kokuthi R. I-syntax eyisisekelo yokugcina into engu-R eyodwa noma ngaphezulu kufayela le-RData imi kanje:

# Saving R objects.
save(object1, object2, ..., file = "your_file.RData")

Ku-syntax engenhla, 'into1, into2, ...' imele izinto zika-R ofuna ukuzigcina, futhi 'your_file.RData' igama lefayela lapho lezi zinto zizogcinwa khona. Uma ingekho indlela yefayela enikeziwe, ifayela lizogcinwa ohlwini lwemibhalo olusebenzayo lwamanje.

Ilayisha i-Rdata

Ngemva kokuthi umsebenzi wakho ulondolozwe kufayela le-RData, isinyathelo esilandelayo kungaba ukuwulayisha futhi ku-R uma kudingeka. Umsebenzi wokulayisha ifayela le-RData ku-R ngu layisha(). Ikhodi elandelayo engu-R ikhombisa indlela yokulayisha ifayela le-RData:

# Loading RData file.
load("your_file.RData")

Lo myalo ulayisha izinto zika-R ezilondolozwe ku-'your_file.RData' endaweni yokusebenza ye-R yamanje. Ngemva kwalokhu, kufanele ukwazi ukushayela futhi usebenzise izinto zakho ezigcinwe ngaphambilini ze-R ngqo endaweni yakho ye-R.

Ukusetshenziswa Kwemitapolwazi Ekulondolozeni nasekulayisheni Idatha ye-R

I-R yaziwa ngamaphakheji ayo noma amalabhulali anamathuluzi okwenza lula nokwenza imisebenzi eyinkimbinkimbi. Ukulondoloza nokulayisha idatha akufani. Ngaphezu kwemisebenzi eyinhloko ye-R gcina() kanye nokulayisha(), eminye imitapo yolwazi efana "rio" futhi "R.utils" ingasetshenziswa ekulondolozeni nasekulayisheni idatha ku-R.

  • Umtapo wezincwadi "rio" inomsebenzi obizwa ngokuthi ukuthekelisa ongasetshenziswa ukulondoloza izinto ezingu-R.
  • Umtapo wezincwadi "R.utils" inomsebenzi obizwa ngokuthi i-saverRDS elondoloza izinto ezingu-R ngefomethi kanambambili, nomsebenzi we-loadRDS ukuze uzilayishe uzibuyisele endaweni ka-R.

Yomibili lemitapo yolwazi ihlinzeka ngezinye izindlela zokulondoloza nokulayisha idatha engu-R futhi kufanelekile ukuyihlola ezimweni ezihlukahlukene zokusetshenziswa.

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