Ixazululiwe: pytorch 1.7

1.7 Imfashini ibilokhu iyimboni eguquguqukayo nethuthuka njalo, lapho kuvela khona izitayela ezintsha nezindala zibuyekezwa futhi zicatshangelwe kabusha. Kusukela ebuhleni besikhathi esidlule kuya ezinkambisweni zokuhlola zanamuhla, imfashini iwuhlobo olubalulekile lokuziveza kanye nophawu lomuntu ngamunye. Ukuze sihlole lesi sihloko esithakazelisayo, sizongena emlandweni wezitayela zemfashini ezihlukahlukene, sihlaziye izingubo nemibala eyichazayo, futhi sithole ugqozi ekubukekeni komzila wezindiza owubukhazikhazi kakhulu. Endleleni, sizobona nokuthi iPython ingasisiza kanjani siqonde kangcono ubunkimbinkimbi bemfashini. Ngakho-ke, ake siqale kulokhu kuhlola imfashini nobuchwepheshe.

Iqhaza LePython Ekuhlaziyeni Imfashini

I-Python iwulimi lokuhlela oluguquguqukayo olungasetshenziswa ukuhlola nokuhlaziya izitayela zemfashini. Ngokusebenzisa amandla edatha nokufunda komshini, i-Python ingasetshenziselwa ukubikezela amathrendi esikhathi esizayo, ukuhlonza izici zesitayela, ngisho nokudala izincomo zesitayela eziqondene nawe ngokusekelwe kokuncanyelwayo komsebenzisi. Kulesi sihloko, sizohlola izindlela ezimbalwa iPython engasetshenziswa ngayo ukunikeza imininingwane ebalulekile ngemfashini nesitayela.

Isinyathelo sokuqala kunoma iyiphi iphrojekthi yePython ukukhetha imitapo yolwazi efanele ongasebenza nayo. Ukuze sihlole imfashini, sizosebenzisa amalabhulali alandelayo:

  • AmaPandas ngokukhohlisa nokuhlaziya idatha
  • I-NumPy ukubala izinombolo
  • I-Matplotlib futhi ozalwa olwandle ukuze kubonwe idatha
  • scikit-funda yokufunda komshini nokumodela okubikezelwayo
  • ukuhluma kwemifula futhi amakhamera yokufunda okujulile namanethiwekhi we-neural

Ukuhlola Nokuhlaziya Okuthrendayo Kwemfashini Ngokusebenzisa amaPanda kanye neNumPy

Ukuze siqale ukuhlola kwethu, sidinga kuqala isethi yedatha equkethe ulwazi lwezitayela zemfashini ezihlukahlukene, okuthrendayo, nezingubo. Ngalokhu, singathembela kudatha evela ezinkundleni zemfashini eziku-inthanethi nezingosi zezokuxhumana. Uma sesiyiqoqile idatha, singaqala ukuyihlaziya sisebenzisa iPython kanye nemitapo yolwazi eshiwo ngenhla.

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import seaborn as sns

Ngala mamitapo angenisiwe, singaqhubeka nokulayisha idathasethi yethu ku-Pandas DataFrame futhi senze ukucubungula okuthile okuyisisekelo, njengokuphatha idatha engekho kanye nokukhipha okufakiwe okuyimpinda. Lokhu kuzoqinisekisa ikhwalithi nokuthembeka kokuhlaziywa kwethu.

# Load data
fashion_data = pd.read_csv("fashion_dataset.csv")

# Preprocessing
fashion_data = fashion_data.drop_duplicates()
fashion_data = fashion_data.fillna(method="ffill")

Ukubona Amathrendi Nokuduma nge-Matplotlib kanye ne-Seaborn

Uma sesinedathasethi ehlanziwe, singakwazi ukuqala ukubona amathrendi emfashini nezitayela ngokuhamba kwesikhathi. Lokhu kungasisiza ukuthi sihlonze amaphethini namathrendi asafufusa angase asebenze njengemininingwane ebalulekile kubashisekeli bemfashini nabaklami ngokufanayo.

# Set the Seaborn theme
sns.set_theme()

# Visualize trends in fashion styles over time
plt.figure(figsize=(12, 6))
sns.lineplot(data=fashion_data, x="year", y="popularity", hue="style")
plt.title("Popularity of Fashion Styles Over Time")
plt.xlabel("Year")
plt.ylabel("Popularity")
plt.show()

Umphumela owumphumela ubonisa ukuduma kwezitayela ezihlukahlukene ngokuhamba kwesikhathi, okusivumela ukuba sifinyelele iziphetho mayelana nemvelo eshintsha njalo yemfashini.

Ukubikezela Amathrendi Azayo nge-Scikit-Learn ne-TensorFlow

Okokugcina, singasebenzisa amandla okufunda komshini nokufunda okujulile ukuze sibikezele amathrendi emfashini yesikhathi esizayo futhi sinikeze izincomo zesitayela eziqondene nawe. Ngokusebenzisa i-scikit-learn, singakha amamodeli aqagelayo amathrendi emfashini, futhi nge-TensorFlow, singathuthukisa imodeli yokufunda ejulile ukuze sihlaziye izitayela nokuncanyelwayo komsebenzisi ukuze uthole izincomo eziqondene nawe.

Sekukonke, inhlanganisela yobuchwepheshe bemfashini nohlelo lwePython kuvumela ukuhlola okujulile nokuqonda umhlaba wemfashini. Ngokusebenzisa lolu limi lokuhlela olunamandla, singakwazi ukwembula imininingwane, sihlaziye amathrendi, futhi silolonge ikusasa lemfashini.

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