2023大数据分析工具Pandas用法.docx
大数据分析工具Pang用法Mm:65mv4XF”-xt-tsia.a-MN*5cSOfIMFAM.04MIctHt,Tvj械WKiQMaN*/3“IMTi«<4vwn.一,,ItARKNaSMtILMf4HW*Vn»f*Ur8*Il*Hny<><lM»IlI-,-,-InM«lN,I,4m,FJ._.-.-一P,rw9*.一,,,HAANMMMacitut*-I*tt-tMkI,.MA卞rt.,1健”>.-INtl>flT,-3W、MSrww,¼-IBMVHtf.IH.U"Cfw4>*an*xoHttcU力弓",p>KtL”YCn>”YWiK*”N*r.vtv>A-nan.KlaM怆,与rteM%”7“*i”RF*w.>f<tTH>*1Fr<Jftftf*.rWKefMflMMMfww%(ta4enncm.33,.MiBn«ni»T<*xr*bkm)*tf.an,<黄r*we>o/.u,力-QJeUkIMjfc<*e.cUCMteftunEf><tvX«44<JRK*«tl*Mfl»rMrr*'W*2iNdM-ft<G,f,Z»lKte<WUM*nK4* IEM &K«(Xn>. MNm.,“4m”为(V>tnt5,SMftfttMV).XS»9««».Fthan-«>eB/Oditt11.s'<J*r4>除04。*戏.QjJWMj.tr>.叼,1 4Kf*XH.IBMfemrS.mr* *>»<tev<KMt.at»B.to<JMl>B 2nB3O.«XM»«a«a. ,*1>RU>.A.I.).*tut-.eCM'i.a<t,中3-wr/;62NS"1.<fttX¼RH.>.e<!«十PAKCM<ntwr.M三U*W><*V>MI4.,-HtICmltflftKCr«taT»eUtfKmCRHRK.inK<*Je.Sn*tme4m.xcBntoikjrarice114.,-*t.*.MHi.v.rjYJi«>*inv三h4,H*F1*>.NiteHWrW*,1.Mf>.*AyAt:Mt1Ct<r<<rn>rttA¼<.M*Kx<1l.mwf*h*j惶er'.iH)v>tMnee*1.t. ,,»*M4,Ma>v *V,-jM1,lr. x.y«ut».<wPrtrt-<HC"t,1trtKCMt.a&«KK«'4.HSUttUXKJlfttEn«*WT9 MrtM>MM)UnJ»»co*,«««<IicunueBtiAottcua.mtc<三<U三>.*»9tRQaoMUl.f.*,.9,.f.,.¼>“6”>««a”UaMM131!)HMUr«a».ftMH1X(*<l»Cf*lMM<H44Kfr<drl*HrtlHK1teBHMumr=,PMmBIBHM'uJtBKM<BAKIlti>M44* HftnMt4Ml. A<*<t- M0HMU <U<ll*l»*fc三 4BKtLICMMIX.tMatt*y,l44%.ummiWX-4(te#ww>. Mn.41hUl.nm><Ufwaf"««ftA*t<r 、,!“AA认3Stmt"Ozia>>f4M<l l9,.v07 ETXMtmc0。XUQfflmi “x 7. IR. A*r*. K”.Hir贸皎”M*SttFQQKM.FeJ«M1419!U卜”crHtm*CMIlMMIlMHW<uitG个NQt"鱼&个”s»aCM>94aat4"",FGnrs341RMUr««.a.jtrr,Ll4i<117Ama9(Mn-"C"nfiMs.trvir>fl*.mu53*淮。xq,/armxlIKm,>wol具,力tcMCMkIiJRMUr«f.*«»»*.I.,».¾Kir*MtM*ft-w-*>ut<l.Il*A11W<*Mt<n.<h*44<htem.iAttRuwR.CH2>*tMU<tw*dBr*Hr<iuer*.力“IM*-.<1SBf>K><MaAK4.IA么611r,方Jt11j7n(cs*i<"tw.>vral<4ittffAnm4*.<M>>flMIM«f*,*!*KHl*r<.»IfW4>.1Wy.it*电。>a4AVK*M.<*4RMUr««.IKh<H«u匕*“<”sta仇aitnc*fc51RMurtta.«4*<.MUK*ttH:*MH.<HKHP<ftl三、FwdoStfiaati(msnm,akqmxt:®!»»»*».w三>rr.,H<a*M>KHHrt*tA<fcko11!*nnm<t. 26,t<nerMtftMMl. arjMBIhM««n«fh 一一一3。IKrMf.P490*>4UrMt>ans*c( 一*r*x2IMesc.d.mm11m M6,1> .MM3 ,-E。7, rHMMMIBV. f1C4I,舄45fGflK"S印""”"OWK4844C4Me111Mela三*.eMMtSI三.2“A48*>l014MIX,。,"emer.”.<f.*vw±Mc¾*c¼M<r*fM.KAeemnftmictfcitfCkiH*tnRMUr««.1«LHW fCHl)eAMN44MtlN. "11!帆W+D»*-«*VwaU><i便AeCMk)»-n*J".”<.,»(,三i一*»»«.>HIX*M4*lC43nM>>iRMUFttt.IRcM<VArll<.MTIM<lnHMf4trK)ttC!V.SMSM.3>*WMMN*(UR咋<F«qa*HlAXaIrIeA-iq»IMQl.ii,3Mali*.CMkh>力UF蝌/冷R4A3优.口,PlMMW入门fI<11r×MW*Il(KJC、-2,9,u.MACAHHCAe««P»VAnCtttiF.CMT2)IHltttiu>ntttaf-nMf.CRU»K¾iihHf.1Ud<*sttc.t114e-IKHu"ttte"c<wm><jW>tn7tt6*.ur<*Mfncmi»iKvim»4.*nmLyf.'.lftfit)nKBR<ARBKtr.Q",*<Qgim2*,喟.W>Wtw-»*Yw<t,<,eH>*a(Uk*ilit*,paOTMlS-H.>XrIMU.»»«».«*«.«1.t.J>fM*"11MI*KVI*ltiM1.>u>><4e3tmitav.44,川Fg:“4rsr.*XUflM3ttt)Ct».(4)调换数据.当学以F示例代码,(«6.29importpandas8PdInportnupyasnp<Utfi-d.<Utduxarvg1*20iaill6*,prioda-6>df-pd.DataFrona(n>.rAndon.randnI6r4)tIngXadag,colunnsalst(,ABC*>Iprintdt.T)执行上面的示例代码后,箱出站果如下1(5)通过轴排序,卷考以下示例代丙:(«6.30Inportpandasapdipy>rtnu11pyc11dates-d.dte-ror>ae20181116/period8-6>ndnl6r4)rinctexdateBrColunns-IistltAEprint<dt.5ort-index(axi-l,a8cending-ale>I执行上Bj的示例代码后,输出站果如下:(6)按例扑序参考以下示例代码:(M63InpertpndAaPdlportnupyasnp心UOW-pd.<Uti*r4<20iaill6xprioda-6>df-pd.DtFxarM(n.xr>don.xndn6r4)vindAx-dtaveoluftn-liat(,AEjCD>>|print(dt.noilvluaby-,B,>|执行上面的示例代利后,输出上果如Fi3选择区块注意.虽然用于选样和设置的标准PyihoMNUmPy表达式是比观的可用于交互式工作,但对于生产代码.建议使用优化的PandaS数据访问方法加、.iauoc,.il