Tayamba kugwiritsa ntchito Data Science kupititsa patsogolo chisamaliro chaumoyo ndi mautumiki - ngati tingathe kulosera za matenda adakali aang'ono, ndiye kuti tidzakhala ndi zabwino zambiri. Chifukwa chake, mu lingaliro la polojekiti ya Data Science, tiphunzira momwe tingadziwire matenda a Parkinson pogwiritsa ntchito Python. Ndi matenda a neurodegenerative, opita patsogolo apakati pa mitsempha yapakati yomwe imakhudza kuyenda ndikuyambitsa kunjenjemera ndi kuuma. Zimakhudza ma neuroni omwe amapanga dopamine mu ubongo, ndipo chaka chilichonse, zimakhudza anthu oposa 1 miliyoni ku India.
Iyi ndi Science Science yosangalatsa yokhala ndi Python. Pogwiritsa ntchito chithunzi chimodzi, muphunzira kulosera za jenda ndi zaka za munthu. Mu izi tidzakudziwitsani za Computer Vision ndi mfundo zake. Tidzamanga convolutional neural network ndipo adzagwiritsa ntchito zitsanzo zophunzitsidwa ndi Tal Hassner ndi Gil Levy pa dataset ya Adience. Panjira tidzagwiritsa ntchito mafayilo ena a .pb, .pbtxt, .prototxt ndi .caffemodel.
Iyi ndi ntchito yowonetsera deta ndi ggplot2 momwe tidzagwiritsira ntchito R ndi malaibulale ake ndikusanthula magawo osiyanasiyana. Tidzagwiritsa ntchito dataseti ya Uber Pickups ku New York City ndikupanga zowonera zanthawi zosiyanasiyana pachaka. Izi zikutiuza momwe nthawi imakhudzira maulendo a kasitomala.
Chilankhulo: R
Seti / Phukusi: Uber Pickups ku New York City dataset
Kuyendetsa tulo ndi koopsa kwambiri, ndipo pafupifupi ngozi chikwi chimodzi zimachitika chaka chilichonse chifukwa cha madalaivala kugona akuyendetsa. Mu pulojekiti ya Python iyi, tipanga dongosolo lomwe limatha kuzindikira madalaivala akuwodzera komanso kuwachenjeza ndi mawu omvera.
Ntchitoyi ikugwiritsidwa ntchito pogwiritsa ntchito Keras ndi OpenCV. Tidzagwiritsa ntchito OpenCV pozindikira nkhope ndi maso ndipo ndi Keras tidzayika mawonekedwe amaso (Otsegula kapena Otsekedwa) pogwiritsa ntchito njira zakuya za neural network.
Pakalipano mwayamba kumvetsetsa njira ndi malingaliro. Tiyeni tipitirire kuzinthu zina zapamwamba za sayansi ya data. Mu polojekitiyi tidzagwiritsa ntchito chilankhulo cha R chokhala ndi ma aligorivimu ngati mitengo ya chisankho, kusinthika kwazinthu, maukonde opangira ma neural network ndi gradient boosting classifier. Tidzagwiritsa ntchito gulu lazochita zamakadi kuti tisankhe zochita pa kirediti kadi ngati zachinyengo kapena zenizeni. Tidzawasankhira mitundu yosiyanasiyana ndikupanga ma curve ochitira.
Mu pulojekiti ya Data Science iyi, tidzagwiritsa ntchito R kukhazikitsa malingaliro a kanemayu kudzera pophunzira pamakina. Dongosolo lothandizira limatumiza malingaliro kwa ogwiritsa ntchito kudzera muzosefera kutengera zomwe amakonda ogwiritsa ntchito ena komanso mbiri yosakatula. Ngati A ndi B amakonda Home Alone, ndipo B amakonda Mean Girls, mutha kupereka lingaliro A - angakondenso. Izi zimathandiza makasitomala kuyanjana ndi nsanja.
Kubwereranso ku chithandizo chachipatala cha sayansi ya data, tiyeni tiphunzire momwe tingadziwire khansa ya m'mawere pogwiritsa ntchito Python. Tigwiritsa ntchito IDC_regular dataset kuti tidziwe invasive ductal carcinoma, mtundu wofala kwambiri wa khansa ya m'mawere. Imakula m'mitsempha ya mkaka, ndikulowera mu minofu ya m'mawere ya ulusi kapena mafuta kunja kwa njirayo. Mu lingaliro la polojekiti yosonkhanitsira deta iyi tidzagwiritsa ntchito Kuphunzira Kwambiri ndi laibulale ya Keras kuti igawidwe.