M'ndandanda wazopezekamo[Bisani][Show]
Mabizinesi adzakhala atakwanitsa kupeza deta yolumikizana ndi ogula pofika 2021.
Komano, kudalira kwambiri ma data awa, nthawi zambiri kumapangitsa kuti mabungwe aziwona zomwe makasitomala amapeza ngati ziwerengero - njira imodzi yomvera mawu a kasitomala.
Mawu a kasitomala sangayikidwe kapena kusinthidwa kukhala nambala.
Iyenera kuwerengedwa, kufupikitsidwa, ndipo koposa zonse, kumvetsetsa.
Chowonadi ndi chakuti makampani amayenera kumvetsera zomwe ogula amalankhula panjira iliyonse yomwe amalumikizana nawo, kaya ndi mafoni, maimelo, kapena macheza amoyo.
Kampani iliyonse iyenera kuyika patsogolo kuyang'anira ndikuwunika momwe ogula akumvera, koma makampani akhala akuvutika kuti agwiritse ntchito izi ndikuzisintha kukhala zanzeru.
Izi sizilinso choncho ndi Sentiment Analysis.
Mu phunziro ili, tiwona mozama za kusanthula malingaliro, ubwino wake, ndi momwe mungagwiritsire ntchito Mtengo wa NLTK library kuti ipange kusanthula kwamaganizidwe pa data.
Kodi kusanthula maganizo ndi chiyani?
Kusanthula maganizo, komwe nthawi zambiri kumadziwika kuti migodi ya zokambirana, ndi njira yowunikira momwe anthu amamvera, malingaliro awo, ndi malingaliro awo.
Kusanthula kwamalingaliro kumathandizira mabizinesi kumvetsetsa bwino ogula, kuonjezera ndalama, ndi kupititsa patsogolo malonda ndi ntchito zawo potengera kuyika kwa kasitomala.
Kusiyana pakati pa pulogalamu yamapulogalamu yomwe imatha kusanthula malingaliro a kasitomala ndi wogulitsa / woyimilira kasitomala kuyesa kuzindikira kuti ndi luso lakale lopeza zotsatira zolondola kuchokera pazolemba zosasinthika - izi zimachitika makamaka kudzera pakukonza zilankhulo zachilengedwe (NLP) ndi makina kuphunzira njira.
Kuchokera pakuzindikiritsa kutengeka mpaka kugawika kwa mawu, kusanthula kwamaganizidwe kumakhala ndi machitidwe osiyanasiyana. Timagwiritsa ntchito kusanthula kwamawu pamawu kuti tithandizire kampani kuwunika momwe zinthu zimayendera kapena mayankho a ogula.
Malo osiyanasiyana ochezera a pa Intaneti amawagwiritsa ntchito kuti aone momwe akumvera, ndipo ngati malingaliro ali amphamvu kwambiri kapena achiwawa, kapena agwera pansi pa malire awo, zolembazo zimachotsedwa kapena zobisika.
Kusanthula kwamalingaliro kutha kugwiritsidwa ntchito pachilichonse kuyambira pakuzindikiritsa malingaliro mpaka kugawika kwa mawu.
Kugwiritsiridwa ntchito kodziwika kwambiri kwa kusanthula kwamalingaliro kumakhala pamawu am'mawu, komwe kumagwiritsidwa ntchito kuthandiza kampani kutsatira malingaliro akuwunika kwazinthu kapena ndemanga za ogula.
Malo osiyanasiyana ochezera a pa Intaneti amawagwiritsanso ntchito kuti awone momwe akumvera, ndipo ngati malingaliro ali amphamvu kwambiri kapena achiwawa, kapena agwera pansi pa malire awo, amachotsa kapena kubisa positi.
Ubwino Wosanthula Maganizo
Zotsatirazi ndi zina mwazinthu zofunika kwambiri za kusanthula kwamalingaliro zomwe siziyenera kunyalanyazidwa.
- Thandizani pakuwunika malingaliro amtundu wanu pakati pa anthu omwe mukufuna.
- Ndemanga za kasitomala mwachindunji zimaperekedwa kuti zikuthandizeni kupanga malonda anu.
- Imawonjezera ndalama zogulitsira malonda ndi chiyembekezo.
- Mwayi wa Upsell wa akatswiri amalonda anu wawonjezeka.
- Kukonzekera kwamakasitomala ndi njira yothandiza.
Manambala atha kukupatsirani zambiri monga momwe kampeni yotsatsa imagwirira ntchito, kuchuluka kwa zomwe zikuchitika pakuyimba foni, komanso kuchuluka kwa matikiti omwe akudikirira thandizo lamakasitomala.
Komabe, silidzakuuzani chifukwa chake chochitika china chachitika kapena chimene chinayambitsa. Zida za Analytics monga Google ndi Facebook, mwachitsanzo, zitha kukuthandizani kuti muwone momwe malonda anu akugwirira ntchito.
Koma samakupatsirani chidziwitso chozama cha chifukwa chake kampeni yapaderayi idapambana.
Sentiment Analysis imatha kukhala yosintha pankhaniyi.
Sentiment Analysis – Vuto Statement
Cholinga ndikuwona ngati tweet ili ndi malingaliro abwino, oyipa, kapena osalowerera ndale okhudza ndege zisanu ndi imodzi zaku US kutengera ma tweets.
Iyi ndi ntchito yophunzirira yoyang'aniridwa momwe tiyenera kugawa zingwe m'magulu odziwikiratu operekedwa ndi zingwe.
Anakonza
Tigwiritsa ntchito njira yophunzirira makina kuti tithane ndi vutoli. Tiyamba ndi kuitanitsa malaibulale ofunikira ndi ma dataset.
Kenako tidzasanthula deta yowunikira kuti tiwone ngati pali mawonekedwe mu datayo. Kutsatira izi, tidzakonza malembedwe kuti asinthe manambala a mawu omwe a makina kuphunzira dongosolo angagwiritse ntchito.
Pomaliza, tidzaphunzitsa ndikuwunika njira zathu zowunikira malingaliro pogwiritsa ntchito njira zophunzirira makina.
1. Kuitanitsa Malaibulale
Kwezani malaibulale zofunika.
2. Lowetsani Dataset
Nkhaniyi ichokera pa dataset yomwe ingapezekepo Github. Dongosolo lidzatumizidwa kunja pogwiritsa ntchito Pandas 'read CSV ntchito, monga zikuwonekera pansipa:
Pogwiritsa ntchito mutu () ntchito, yang'anani mizere isanu yoyamba ya dataset:
Zotsatira:
3. Kusanthula kwa Deta
Tiyeni tifufuze deta kuti tiwone ngati pali zochitika. Koma choyamba, tisintha kukula kwachiwembu kuti ma chart awonekere.
Tiyeni tiyambire ndi kuchuluka kwa ma tweets omwe amalandilidwa ndi ndege iliyonse. Tigwiritsa ntchito tchati pa izi:
Maperesenti a ma tweets amtundu uliwonse pa ndege iliyonse amawonetsedwa pazotulutsa.
Tiyeni tiwone momwe malingaliro amagawidwira pa ma tweets onse.
Zotsatira:
Tiyeni tsopano tione kugawa kwa malingaliro pa ndege iliyonse.
Malinga ndi zotsatira zake, kuchuluka kwa ma tweets pafupifupi pafupifupi ndege zonse ndizovuta, ndi ma tweets osalowerera ndale komanso abwino. Virgin America mwina ndiye ndege yokhayo pomwe gawo la malingaliro atatuwa likufanana.
Zotsatira:
Pomaliza, tidzagwiritsa ntchito laibulale ya Seaborn kuti tipeze kudalirika kwa ma tweets kuchokera m'magulu atatu amalingaliro.
Zotsatira:
Zotsatira zake zikuwonetsa kuti kuchuluka kwa chidaliro cha ma tweets olakwika ndi akulu kuposa ma tweets abwino kapena osalowerera ndale.
4. Kuyeretsa deta
Mawu ambiri a slang ndi zizindikiro zopumira zimapezeka mu ma tweets. Tisanayambe kuphunzitsa makina ophunzirira makina, tiyenera kuyeretsa ma tweets athu.
Komabe, tisanayambe kuyeretsa ma tweets, tiyenera kulekanitsa deta yathu kukhala mawonekedwe ndi zolemba.
Titha kuyeretsa deta tikayigawa m'magulu ndi ma seti ophunzitsira. Mawu okhazikika adzagwiritsidwa ntchito kuchita izi.
5. Kuyimira Nambala kwa Zolemba
Kuphunzitsa mitundu yophunzirira makina, ma algorithms owerengera amagwiritsa ntchito masamu. Kumbali ina, masamu amagwira ntchito ndi manambala.
Choyamba tiyenera kusintha mawuwo kukhala manambala a ma algorithms owerengera kuti athane nawo. Pali njira zitatu zochitira izi: Thumba la Mawu, TF-IDF, ndi Word2Vec.
Mwamwayi, gulu la TfidfVectorizer mu gawo la Python's Scikit-Learn lingagwiritsidwe ntchito kusintha zolemba kukhala ma vector a TF-IDF.
6. Kupanga Maphunziro Oyendetsedwa ndi Data ndi Mayesero a Mayeso
Pomaliza, tiyenera kugawa deta yathu m'maseti ophunzitsira ndi kuyesa tisanaphunzitse ma algorithms athu.
Maphunzirowa adzagwiritsidwa ntchito pophunzitsa ma aligorivimu, ndipo seti yoyeserera idzagwiritsidwa ntchito kuyesa momwe makina ophunzirira amagwirira ntchito.
7. Chitukuko cha Chitsanzo
Detayo itapatulidwa kukhala maphunziro ndi ma seti oyesa, njira zophunzirira zamakina zimagwiritsidwa ntchito kuphunzira kuchokera ku data yophunzitsira.
Mutha kugwiritsa ntchito algorithm iliyonse yophunzirira makina. Njira ya Random Forest, komabe, idzagwiritsidwa ntchito chifukwa cha kuthekera kwake kuthana ndi deta yosasinthika.
8. Maulosi ndi Kuunika kwa Chitsanzo
Chitsanzocho chikaphunzitsidwa, gawo lomaliza ndilolosera. Kuti tichite izi, tiyenera kugwiritsa ntchito njira yolosera ku chinthu cha kalasi ya RandomForestClassifier chomwe tidaphunzitsa.
Pomaliza, miyeso yamagulu monga ma metric osokoneza, miyeso ya F1, kulondola, ndi zina zotero zitha kugwiritsidwa ntchito kuwunika momwe makina ophunzirira amagwirira ntchito.
Zotsatira:
Ma algorithm athu adakwaniritsa kulondola kwa 75.30, monga zikuwonekera ndi zotsatira.
Kutsiliza
Kusanthula kwamaganizidwe ndi imodzi mwantchito zomwe zimachitika pafupipafupi za NLP chifukwa zimathandizira kuzindikira malingaliro a anthu pa nkhani inayake.
Tidawona momwe malaibulale angapo a Python angathandizire pakuwunika malingaliro.
Tidachita kafukufuku wa ma tweets apagulu pafupifupi ndege zisanu ndi imodzi zaku US ndipo zidafika kulondola pafupifupi 75%.
Ndingakupangitseni kuti muyese njira ina yophunzirira makina, monga kusintha kwa zinthu, SVM, kapena KNN, kuti muwone ngati mutha kupeza zotsatira zabwino.
Siyani Mumakonda