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Bài giảng Tin học chuyên ngành dành cho khối B - ĐH Nông nghiệp Hà Nội
Attta €1tt lllct .tq^ I t't l4'1r\ TRI.IdNGDAI HQC NONGNGHIEPHA NOI BQ M6N CdXCNCTTE PHAN MEM +:i1x 't + + 't**'l';l* 't * a* l' * a:| 'l +:* * + nAT CIANG TIN HOC CHTIYTN NGANH nUNc clro KHOI B a,*"O Hn Noi - 2013 CHUOI{G I: CO 56 DI' LIPU l- Sip x6p tim kiaim co s& dil l.l- Cc sr dii li$u Excel li-6u Co- sd dn lipu (CSDL) gdm cric bin ghi (Record), m6i ban ghi tA m6r ddng gdm c6c cgt ch?a thOng rin cimg toei, cQr dugc gqi ld trudng lnieia; DOng A-iu c0" *id, ten trudng, c:ic ddng k6 tiep sau phai Ia cdc bAn ghi C"S;t;il;;; Excel cirg gdm cec c6r va c6c ddng nen #t ti€n d6 chtta mOt CSDL J.1C lill ,, xrl ly' cing rhuin lqi V6i Menu Dat4 c6 rhd x6p thrl tu yt^ ,,:l ::,rll:l "ta Tang.tinh.n€n,viec um, I9c, tlip cAc bang t6ng ket rat thuan tien I,2- Sip xip ( Data / Sort) Khi x6p thri tu m6t danh siich ( CSDL), phdi chgn rirt ca.c6c c0t Danh sdch kh6ns c6 " ddng t€n kudng, thi ten c6r sc thay tcn tru*g CO rhd lr:u if,,q" *6tilr;" d-;';il;;il"" c0r Tryhg qry dinh crich x6p rhri tu goi Ia khoe C6 th6 dinh toi khod ^ Lac ban ghi cirng gi6 tri o khorl lhf nh6t duoc xdo thLi tu theo- khori thti 2; c ng tr! d khod 2, ttuqc xii tleo 'Sort, khoa i + C6ch lim : Chon midn / Chon Data / HT c6: + Chqn My data has Headers n6u ddng dau ld reh trudng +,Chon khori thfr nh6t d Sort By, Order chgn thriiu sdp xdp + Chon Add Level dd th6m ciic kho6 rhii 2, thrl vi chgn c6c kh6a Then By + Chgn Options de dinh rht tu cho kho6 diu ti€n, d6 c6 u:lBi:i:ii,d;ii1i,;-) 'Fi s-rt r-p E eR"(i') sqdtea.o rLehr 1, *.er( =f T =r;;il l N6u ctgn Case sentitive sfp xiip kh6ng ph6n_ bi€t cht hoa va ch0 rhudng rheo cor chon hudng sip tir tr€n xuiing dudi: Sort top to bottom D0 liCu theo ,O-.,;0y qong chon huong sap lU trdi sang phai: Sort left to right ' X6p thr? tu nhanh the-o.1 trwdnfi: C6 cac bGu tuqng #B Ascendiig (tang) E{ Descending (gidm; ^ ?lclrjdi 6_chria6 giii tri nio d6 crta tr"O-ng ctgn larn khot:bt;jd, tuong xdp thr! tu n6i tr€n ( kh6ng chen chria t6n rrudng ) ,u l: Ho t6n I di6m nhu sau I T6ns I6n ftu nn Le Van Htno )6 Thi Mai = T^r- r- B c E SBD Khu vuc D6ituqnq To5n 125 o 125 E 123 NsO Noan Phrl Ld Vin Tudn 130 t6 Vdn T0 124 128 126 127 r ,i r rr,(- F G L\' H6a H T nr| lli6m a1 J 6 7 6 '16 5 '4 to A I I Tr6nXu6nI Pham Thi Y6n ti6- a 10 20 16 14 15 Hiy,thgc hien c6c I- Sgp x€p theo thf "ang "4"."u tu cta T6ng di6m giam, Khu vuc tang 2-.Sip.xdp theo thri tq,.,r Kh;',;;;;fi,;b;;_il;#;,"r6ng diiim giim Cdch ltm : I- Sip x6p theo th(r tu cria Tiing rlidm giim, Rhir vuc ting: - Chqn mi€n Al:H9 LATA / SORT se c6 -Chon My data has Headers -Vio mqc Sort by chqn Tdng diiim, O Order chgn Largest to Smallest level , vdo muc ihen uy crron rhu vuc, tj"oia" *,s.'i-;uest to Larsest :3[l Af 2- Sip x6p theo thrl tu cia Khu vgc tang, D6i tuong tang, Trine didm eiam: M;ii;'i;,,-'""'""'" -Tim ki6m ( Lgc d* lifu ) Lgnh lgc dnng d6 l6y c6c bin ghi thod m6n c6c di6u 1.3 kiQn d6 cho Trong c6 muc: Filter loc d0 li€u vd Advanced lgc theo I.3.I- Lqc dii C6ch lim : - Chgn miin CSDZ (c6 ddng t€n rrudng) Data / Filter d6 ten trudng c6 -Chqn l- y_ goi Click vio diu lgc ta c6 danh siich: o Select tliiu kifn tlinh trudc liQu ( Data / Fitter ) All: liddu loc hi€n t6t ce cec bdn ghi r Cricgi6tri kh6c bi€t cria cQt: c6 rheo gi6 tri d6 thri chon mdrgi6tri naod6d6lo.c ki6n c6 d4ng c6c bdn ghi sau yl,{.1^t1d-*t b*g tti6m d vi dg I muc L2 , h6y th.uc hiQn c6c c0ng vifc t rtter loc nhtng ngudi thuQc Khu vus=l vd Edi iuong =5 cria khu vgc hodc khu vuc I Cich lim: l- Dhng Advanced tl6 lgc nhtng ngudi d6 cria khu vgc I ( ngudi d6 la ngudi c6 t6ng tliiim >= 19.5 ), kdt qun di5 tai mi6n dr liQu +TrudctiCn pheit4o miAn Al2: Hl3 ghi c6c di€u kiQn nhu sau: Ta sao.chdp midn t€n trudng tt Al: Hl vdo mi€n A l2: Hl2,saud6gddi6uki€nvdociic0 + Chgn mi€n dii li€u Al: H9 +ChgnData/ Advanced c6h6pthoai , r'iii chon c6c mr;c uhusau: Nhu vAy tru6o goi hdm ta phai tao midm didu kiQn trudc * Ham DSUM tinh t6ng DSUM(MiAn co sd dB IiQu, n diiu ki9n.1 * Hdm DMAX tinh gi6 tri ldm nhdt DMAX(M|6n co sd dn li6u, n diiu kign) * Hdm DMAX tinh gi6 tri l6n nhit DMAX(MiAn co sd'd[ li€u, n di€u kifn) + Ham DMIN tlnh gi6 tri Itu nhir DMAX(MiAn co sd dii li€u, n, didu ki6n) * Hdm DAVERAGE tinh gi6 tri trung binh DAVERAGE(Mi€n co sd dir li€u, n, ilidu kiQn) Vi dq 2: Cho bang sti lig, sau, B 1ell G+o Gia E D 36 lusns 4000 10 Sba 600 20 6000 40 Gao Duo,ns 5Lta 700c ?00c 2A Dubrre 9000 10 Gao 3A Iell Du&re Gia >8000 >5000 Trlrdc tien ta t4o midn tti6u ki€n D2:D3 { ten ld gao) vi D5:E7 (t€n li Dudng vi giri >8000 hoac ten la Geo vA gi6 >5000) nhu vi du d bang tren = DSUM(Al:C7, 3, D2:D3) cho k6t qui li 50 (Tdng si5 luqng Glo) = DMAX(AI:C7, 3, D2:D3) cho kdt qu6 li 40 (Max s6 lucmg Gao) = DCOUNT(Al:C7, 2, D2:D3) cho ki5t qun ln (D6m mit hing G4q cot tinh phai la cor s6) = DAVERAGE(A l;C7, 3, D2:D3) cho k6t qui li 25 (trung binh s5 luo ng G4o) = DSUM(A I :C7, 3, D5:E6) cho kiSt qui Ii l0 (T6ng s5 luong Duong c6 gi6 > 8000) DCOUNT(Al:C7,3, D5:E7) cho ktit qun ln (D5m mdt hnng Dudng c6 gi6 > 8000 hoic Gao c6 gi6 > 5000) : 2.2- Tinh to6n theo nh6m s6 li€u: Data/Subtotal Trong m6t co sd df li€u, ta mu6n thuc hi€n cric t6ng hop s6 li€u theo trng nh6m Vi du nhu theo don vi, theo mot lo4i v{t tu excel c6 khd n6ng tinh to6n theo nh6m C6c bu6c ti6n hdnh nhu sau: a) Sip x6p dft li€u: khod sip x6p ld rrudng ph6n nh6m Vi dg: Bdng tiAn di6n ( Tinh c6r s6 ding : chi s6 cu6i - chi sii dau, c6t tidn di€n s6 dUng * 560 ), hay tinh t6ng tiAn diQn theo rlon vi Nhu v6y trudng ph6n nh6m ld don vi, dI li6u duoc sip theo trudng don v! tang dAn : Chgn Data / Subtotal ,l ,.^ ^ Knt co se xuat nlen hop thoar b) sau: C6c muc chgn h6p thoai nd.y c6 chtc ndng nhu sau: + Trong mUc At each change in: Chgn Don vi (trudng phin nh6m) + Trong mUc use function: Chgn Sum (chon ham cin tinh) + Trong muc Add subtotal to: Chon trudng Tidn tti€n (chon trudng cin tinh to6n) + Chan OK k6t thtc Ndu chgn Remove All sC xoe k6t qua tinh duoc - Bimg hai chiiju ( Insert / Fivot Table) li cdng cu mqnh cia Excel_ VI du c6 CSDL ph6n t6 theo khoa, b6 mOn, Pivot Table cho phdp tinh ciic hdm thdng k€ don giin thdnh m6t b6ng vdi cdc diu ddng khoa, dAu c6t Id b6 m6n Pivot Table c6 ciii khrii ni6m : Row Labels = Trudng ding d6 ldm nhin cho ddng d b6ng hai chi6u Column Labels : Trudng dirng d0 ldm nhin cho c6t d bdng hai chidu Report Filter = Trudng dirng ilii loc dii li€u n6u cAn Values = 'frudng dC tinh todn Pivot Table li * Teo PiY.ot Tablc tir mot CSDL + Chon mien CSDL + Chgn Insert / Pivot Table, xu6t hi€n hOp thoai ctia budc Butrc I c6 h$p thoai nhu sau: esr !.s s.r rou r.n! er 5n.d ! Ehr r 6rr r*ure, f) r-.n d{!d ro l !i.t2r _inl zii*'ilgu EB d{ sqData Andlysis >Anoya: Two Factor Without Replication sau khai brio tiilp ciic th6ng tin high I.l0 vd kich OK Vi d!t 3-'-Bd trithi nghiem phiin rich nhan 16 I (c6 b6n mric) theo kh6i hodn todn ngiu nhi€n (nhdn tO cd b6n khdi) thu duo-c cric so lidu nhu bang I.5 B6ng L5 56 Mtic tich rn6t nhAn tii theo kh6i nsiu nhiGn Kh6i I Kl6i _Knor J Kh6i I 47 52 62 5l Mrlc 50 54 53 65 67 69 57 74 59 Mrlc 5'7 Mric 54 Choo Dqte >Dqtq Analysis >Anoyz: Two Factor Without Replication sau d6 khai b6o ti6p ciic th6ng tin hinh sau: Hinh I.1 ll6p thoai khai bilo d€ phdn tich phuong sai khOng tuong t6c Kdt qud thu du-oc phdn tich phuong sai cho o bdng 1.6 qui * Phin tich kdt ph6n tich phuong sai hai nhin oui - eaC m*c cria nfran t6 thuyet I (ddng) c6 dnh hudng kh6c di5n kdt qui vi F thgc nghipm > F - C6c mirc cria nh6nt5 (cO0 cd anh hudng kh6c d6n k6t qua vt F thyc nghiem > F If l! thuydt !: F l! thuy6t c6 the tim bing hdm FINV(0.05, 3, g) =3.86254, va giA tri t cong c6 th6 tim duo.c bans hemTINV(O.05,9) =2.262 Niiu k6t luin cdc m*c cia m.Qt nhdn t5 dnh huong khec nhau.thl ta so senh trung binh cria cac mfc cing,nhdn t6 vdi dd tim mric t6t nhet ( lem tuong ty nhu mqc 1.2 d tren), vi du niy,c6 th6 so siinh trung blnh c6c mrlc crla nhan t6 ddng, so s6nh trung binh c{c Chrt mfc cria nhdn t6 c6t b Phdn tich phuong sai hai nhAn t6 tic Trongirudng-hqp ney ph6n tich phuong sai ta phii tinh d6n sqr t6c dQng d6ng thdi ctia A vd B Si5 liQu s6p x6p nhu sau: - Nhnn t6 I d6nh theo hdng v6i ciic mrfc khiic nhau, nhan t6 danh theo cot vfi c6c nrrr khlic - M6i mtc cia nhan t6 I (thuong goi le nhan tO A) duqc ddnh m hing (cho m lin l{p) co ;.i6i rnfc cua nhin td (thudng goi ld nh6n to Bt ld I cot "i - Ten rn6i mfc cila nhan tZ cli vidt nrdt lin diu ti€n cta mfc d6, c6c t6n mirc cira nhAn t5 B rhi ghi ddu d m6i c6r Cdc tiL hdng cQt trd di ghi sii li€u 39 * Cic budc thgc hi€n Chon Data >Dala Analysis >Anovo I'wo h-uctor With Replicalion, sau d6 khai b6o c6c th6ng tin nhu hinh I.l I vi kich OK Vi dB 4: Nghi€n c*u anh h.uong cria viQc b6n ph6n khodng (nh6n t6 A) theo btin c6ng thirc vd m6t tl6 trdng (nh6n t6 B) g6m ba m0c tdi sin lugng b6ng ta c6 bang s6 liCu @ang I.7) t.7 so6t Mtic t4 Mrlc 15 l9 t7 t9 19 l8 l8 t9 t7 23 t8 2t l9 20 23 21 2l 2l 19 22 22 22 2t 20 20 23 l8 2t 21 23 22 24 23 to Mitc2 tg C.thfc 21 20 25 15 l6 21 C.thric C.thrtc C.thfc 20 to Hinh I.ll l l8 2t 20 HQp thoqi khai b6o phAn tich phwong sai 40 nhin t5 tuong tdc tich Dhuons sai cho d bans 1.8 Mric Mric SUMMARY Mrlc I Cdne thtc I K6r Count 73 4 66 Total 16.5 69 17.25 18.25 9.66666',7 2.916661 0,9t6667 4 Sum Average Variance Cdne thfc Count t2 85 241 18.75 2t.25 0.9t6667 1.583333 20.08333 2.810606 8l Sum 20.25 3.5 83333 Ayerage Variance C6ns thtc t2 208 17.31333 4.242424 4 t2 81 82 251 24.5 21.75 20.5 1.66666',1 0.9t6667 20.9166'1 1.901515 83 4 12 82 93 258 Count Sum Av€rage Variance Cdns thrlc Count Sum 20.75 20.5 23.25 2t.5 2.91666',1 Average Variance t,66666',1 2.916667 3.727273 Total l6 Sum Average t6 313 l6 3t2 Count 333 't9.5625 20.812s 4.395 833 5.095833 df Variance 9.5 6.8 r MS ANOVA Source of ,s.r F P-value F crit Variation Sample t22.4t67 ColumIs 17.54t6',7 40.80556 lnteraction 23.95833 Within 14.9898 t.7 tE-06 2.866265 8.770833 3.221939 0.051615 3.259444 3.993056 t.46683',1 0,21725 2.363748 JO 2.722222 98 Iotal 26t.9t67 41 rhen Bing I.8 K6t oui nhin tich phuang sai hai nhin t0 tuong K€t qui phin * Phin tich k6t qu - - N6u F > F Crii e thi cric mfc cia nhan t5 A c6 anh hudng kh6c nhatr tliln k€t qui -N6uFs> F Critts thicdc mriccoanhint6B cd dnh hudngkhric ct6n k6t qud - N€u F 66 > F Crit as thi tuong t6c A B c6 enh huong den ket qua Theo ki5t qui xri l! vi r1u, ta rit k6t luAn: 4L - _, Fe= 14 9898 _ oen nang suat bong Fr= , ^suar Dong > Fo sa= 2.86627, tld cric c6ng thric ph6n b6n iinh hutug kh6c 3.22194 z-Tesr; Two Sample Jor Mgans, sau.d6 lan lu$ td ldi: I Rangi: mi6n vio ctia bi6n I tfc li miln chta s6 lieu, k.i ca tcn ddng - Input Variable d6u cia mAu quan sit - Inpui Variable Range: MiEn viro cria m5u quan siit thri hai kti c6 t€n ddng tlAu cria mau quan sat - Labels: Nilu cAn th€m ddng diu vA t€n bi6n tht chgn muc niy - H,Ipothesized means diffLrence: Gie thuy6t vd higu hai trung binh cia hai tdng rhiiNii,u l5y gid thuyet H0: m1:m2 thi ghi N€u Iay gia thuyet Hr: mr=mz*d (d ln I s6 nao d6) rhi ghi d 2t) - Variable I variance: Phuong sai cia bi6n 1(nh6p o - Variable variance: Phuong sai cia biiin (nhap o ) - - output Range: Chqn miAn tr6ng d6 dLra 43 k6t quir Vi dg 6:.Thyc.hiQn thi nghi€m.v6i mEu I co l0 quan sdt, mlu c6 l2 quan sdt ta c6 beng liQu sau bi6t phuong sai cia bi6n I ld 0.026, c0a biiin Ia 0.025 x v 3.4 3.2 3.4 3.5 32 3.4 3.5 3.4 3.5 3.6 3.7 3.6 3.7 3.6 3.7 3.6 3.7 3.6 3.9 3.6 s6 3.6 I 3.6 Kdt qui so s6nh hai mlu cho o bring I.9 B6ng I.9 KEt oui so sinh hai r K6t qui sdnh milu z-Test: Two Sample ficr Means M,iu I M.lU Z Mean 1.6 3.5 Known Variance 0.026 Observations 0.025 l0 t2 Hlpothesized Mean Difference z 0.14335 P(Z