Kugwiritsa Ntchito Cluster Analysis mu Microsoft Excel

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Chimodzi mwazida zothanirana ndi mavuto azachuma ndikuwunika kwamagulu. Ndi chithandizo chake, masango ndi zinthu zina za gulu la zosanjazo zimayikidwa m'magulu. Njira imeneyi ingagwiritsidwe ntchito ku Excel. Tiyeni tiwone momwe izi zimachitikira.

Kugwiritsa Ntchito Kusanthula Kwamasango

Mothandizidwa ndi kusanthula kwa magulu, ndizotheka kuchita zitsanzo molingana ndi zomwe zikuphunziridwa. Ntchito yake yayikulu ndikugawa magulu osiyanasiyana. Monga gawo lamagulu, cholumikizira chophatikizika kapena mtunda wa Euclidean pakati pa zinthu ndi gawo lopatsidwa chimagwiritsidwa ntchito. Makhalidwe oyandikana kwambiri amaphatikizidwa.

Ngakhale mtundu uwu wowunikira umagwiritsidwa ntchito kwambiri pazachuma, ungagwiritsidwenso ntchito mu biology (kupatula nyama), kuwerenga maganizo, mankhwala, komanso m'malo ena ambiri amtundu wa anthu. Kusanthula kwamagulu kungagwiritsidwe ntchito pogwiritsa ntchito pulogalamu ya Excel toolkit pazolinga izi.

Chitsanzo chogwiritsa ntchito

Tili ndi zinthu zisanu zomwe zimadziwika ndi magawo awiri ophunzirira - x ndi y.

  1. Timagwiritsa ntchito njira ya mtunda wa Euclidean kuzinthu izi, zomwe zimawerengedwa molingana ndi template:

    = ROOT ((x2-x1) ^ 2 + (y2-y1) ^ 2)

  2. Mtengo uwu umawerengedwa pakati pa chilichonse mwa zinthu zisanu. Zotsatira zowerengera zimayikidwa mu matrix akutali.
  3. Tikuwona pakati pa omwe mtunda ndi wocheperako. Mu zitsanzo zathu, izi ndi zinthu 1 ndi 2. Mtunda pakati pawo ndi 4.123106, womwe ndi wocheperako pakati pa zinthu zina za anthuwa.
  4. Phatikizani deta iyi mgulu ndikupanga matrix atsopano momwe mumakondera 1,2 muzichita zinthu zina. Tikamayendetsa matrix, timasiya mfundo zazing'ono kwambiri kuchokera pagome lakale pazinthu zophatikizika. Apanso tikuyang'ana, pakati pomwe zinthu zazitali mtunda ndizochepa kwambiri. Ino ndi 4 ndi 5komanso chinthu 5 ndi gulu la zinthu 1,2. Mtunda wake ndi 6,708204.
  5. Timawonjezera zinthu zomwe zidatchulidwa ku gulu lonselo. Timapanga matrix atsopano malinga ndi mfundo zomwezo monga nthawi yapita. Ndiye kuti, tikuyang'ana zofunikira zazing'ono kwambiri. Chifukwa chake, tikuwona kuti deta yathu ikhoza kugawidwa m'magulu awiri. Gulu loyamba lili ndi zinthu zoyandikana - 1,2,4,5. Mugawo lachiwiri kwa ife, chinthu chimodzi chokha ndi chomwe chaperekedwa - 3. Ndiutali kutali ndi zinthu zina. Mtunda pakati pa magulu atatuwa ndi 9.84.

Izi zimamaliza njira yogawa anthu m'magulu.

Monga mukuwonera, ngakhale kuwunikira kwakukulu kwamagulu kumawoneka ngati njira yovuta, kwenikweni, kumvetsetsa maunansi a njirayi si kovuta. Chachikulu ndikumvetsetsa mtundu wamagulu.

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