Kuxazululiwe: Izinhlamvu ze-ascii accents

Ku-spectrum ebanzi yokuhlaziywa kwedatha kanye nokusebenza kwedijithali, ukucutshungulwa kwezinhlamvu ze-ASCII, ngokuqondile lezo ezinamazwi, kubambe isikhundla esiyisisekelo. I-ASCII (American Standard Code for Information Interchange) yathuthukiswa ukuze ilinganise indlela amakhompyutha amele ngayo idatha yombhalo. Yilawa makhodi we-ASCII anquma ukuthi amadivayisi akho edijithali abonisa kanjani izinhlamvu ezithile. Le ndatshana ichaza kabanzi ngamaphikseli e-ASCII, indima yawo ekuphatheni umbhalo, nokuthi ungawaphatha kanjani lawo maphimbo usebenzisa i-R.

Ukuqonda i-ASCII Accents

Ama-accents e-ASCII ayisethi engaphansi yezinhlamvu ze-ASCII ezihlanganisa izimpawu ezengeziwe ezifana namamaki e-diacritical. I-Diacritic igama elibhekisela ezimpawini ezincane ezingezwe ezinhlamvini ezithile ukuze zibonise ushintsho ekubizeni amagama noma encazelweni. Lawa maphimbo ngokuvamile avela ezilimini okungezona ezesiNgisi, njengeSpanishi noma isiFulentshi. Ngokuvamile, lokhu kungase kudale ubunzima lapho kucutshungulwa idatha yombhalo njengoba kungewona wonke amasistimu aklanyelwe ukuphatha lezi zinhlamvu ezikhethekile ngokuqondile.

Ama-accents kumasethi ezinhlamvu ze-ASCII angabangela izinkinga ezifana namaphutha okunikeza, izinkinga zokuhlukanisa, nezinye izithiyo zokusebenza. Ngokukhethekile, ezilimini ezifana no-R ezisetshenziselwa ukukhohlisa nokuhlaziya idatha, ukuphatha ama-accents e-ASCII ngempumelelo kuyikhono elidingekayo noma yimuphi umhleli ochwepheshile okufanele alifunde.

Isixazululo se-ASCII Accents ku-R

Ukuze uxazulule izinkinga ezihlobene nama-accents e-ASCII ku-R, sisebenzisa imisebenzi yokucubungula iyunithi yezinhlamvu futhi imitapo yolwazi ehlukahlukene yakhelwe ngokukhethekile ukuphatha izintambo ngempumelelo. Ngokuphawulekayo, lezi zindlela zithuthukisa ukumelwa nokucutshungulwa kwedatha yombhalo, kuhlanganisa nalezo eziqukethe ama-accents e-ASCII.

install.packages(“stringi”)
umtapo wolwazi(stringi)

umbhalo <- c("ASCII accents like ç, á, é, í, ó, ú angase abangele izinkinga.") text <- stri_trans_general(text, "Latin-ASCII") print(text) [/code] Kule khodi , sifaka esikhundleni sazo zonke iziphikseli ze-ASCII ezisuselwa ku-Latin ngohlamvu lwazo olulinganayo lwe-ASCII.

Incazelo yesinyathelo ngesinyathelo yeKhodi

  • Okokuqala, sifaka futhi silayishe iphakheji ye-'stringi', edingekayo ekusebenzeni kweyunithi yezinhlamvu endaweni engu-R.
  • Okulandelayo, siqala 'umbhalo' ohlukile ngeyunithi yezinhlamvu equkethe ama-accents ahlukahlukene we-ASCII.
  • Sisebenzisa umsebenzi we-'stri_trans_general()', siguqula zonke izinhlamvu ezigcizelelwe zibe izethulo zazo ezijwayelekile ze-ASCII. Ipharamitha yesibili yomsebenzi, 'Latin-ASCII', umthetho olawula ukuguqulwa.
  • Okokugcina, siyaphrinta futhi sibonise umbhalo ocutshunguliwe.

Izicelo Ezengeziwe zika-R Ekucubunguleni Umbhalo

Ngaphandle kokuphatha ama-accents e-ASCII, ulimi lwe-R lunikeza amathuluzi amaningi engeziwe namalabhulali okuhlaziya umbhalo. Enye yazo umtapo wezincwadi odumile we-'tm', ohlinzeka ngohlelo lwemisebenzi yokumba umbhalo, okuhlanganisa nokuphathwa kwemibhalo, ukuphatha imethadatha, nokucubungula kusengaphambili umbhalo. Elinye ithuluzi elibalulekile 'i-stringr' elenza ukuphathwa kwedatha yeyunithi yezinhlamvu kube lula ku-R. Ngala mathuluzi atholakalayo, u-R uba ulimi oluguquguquka ngendlela emangalisayo ukuze enze imisebenzi ehlukahlukene yokucubungula umbhalo, okuhlanganisa kodwa okungagcini nje kuphela ekulawuleni amaphimbo e-ASCII.

Sengiphetha, kungakhathaliseki ukuthi iphethe iziphimiso ze-ASCII noma yenza imayini yombhalo eyinkimbinkimbi, ukuqonda ukusebenza kweyunithi yezinhlamvu ku-R kungathuthukisa kakhulu ukucubungula idatha yakho namakhono okuhlaziya. Uhlome ngolwazi olufanele namathuluzi, ungaguqula idatha yombhalo ebonakala ivamile ibe ulwazi olunokuqonda, olusebenzisekayo.

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