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Chng trnh Ging dy Kinh t Fulbright Nin kha 2007-2008
Cc Phng Php Phn Tch
Ti liu pht thm
PHN TCH D LIU BNG PHN MM SPSS 12.0 PHN 1Cc ni dung chnh trong phn ny: 1. 2. 3. 4. 5. 6. 7. 8. Khi ng SPSS Gii thiu mt s menu chnh trong ca s SPSS M d liu t tp tin ca SPSS v ca phn mm EXCEL Nhp d liu trc tip t bn phm v bng Copy v Paste V th scatter Thng k m t d liu Kim tra s tng quan Thm bin v thm quan st
SPSS l mt nhn hiu ng k bn quyn ca SPSS Inc.
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
1.
Khi ng SPSS Cch 1: Nhp p vo biu tng SPSS trn mn hnh. Cch 2: Vo Start, Program, SPSS for Windows HNH 1
2.
Gii thiu mt s menu chnh trong ca s SPSS File Edit View Data Transform Analyze Graphs Utilities Add-ons Windows Help
a. File: Cha ni dung v: To mi d liu, M d liu t cc tp tin ca SPSS v ca cc phnmm khc, Lu tr d liu, In n v Thot khi SPSS.
b. Edit: Cha ni dung v: Thc hin li hoc hy b mt thao tc va mi thc hin, Sao chpv ct dn d liu, Chnh sa mt s ni dung ty chn chung (Options).
c. Analyze: Cha ni dung v: Thng k m t, Lp bng biu, chy cc loi hi quy. d. Graph: Cha ni dung v: V th. e. Help: Cha ni dung v: Nhng tr gip cho ngi s dng.
Quoc Duy
2
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
3.
M d liu t tp tin ca SPSS v ca phn mm EXCEL
a. T tp tin ca SPSSVo Menu File, Open, Data. Sau chn loi tp tin c phn m rng *.sav HNH 2
b. T tp tin ca phn mm EXCELVo Menu File, Open, Data. Sau , vo mc Files of type chn loi tp tin cn truy xut d liu. y, chng ta quan tm n tp tin ca EXCEL.
Quoc Duy
3
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
HNH 3
V d: C 1 tp tin EXCEL cha d liu v gi nh v din tch nh hc. Ni dung ca tp tin ny bt u t A1 n C15. By gi chuyn ni dung ca tp tin ny sang SPSS. HNH 4
Quoc Duy
4
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
Trc tin, cn ng tp tin ny li (nu nh ang m ra xem n trong EXCEL). Sau , vo SPSS, chn File, Open, Data. Sau chn Files of type v chn Excel (*.xls). Sau chn tp tin Excel cn s dng. HNH 5
HNH 6
Dng Worksheet cho bit l trong tp tin GIA NHA.XLS c bao nhiu Sheet cha d liu v mc dn tri ca d liu. Nu chn dng ch Read variable names from the fisrt row of data, th SPSS s ly tn bin ging nh tn c nhp sn trong Excel. Nu chng ta ly ht ton b ni dung ca file Excel th nhn OK. HNH 7Quoc Duy
5
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
Nu chng ta ch ly mt phn ni dung ca file Excel th nhp thng tin vo Range. Chng hn, nu chng ta khng ly ct STT trong file Excel th g vo Range: B1:C15 ri nhn OK. Tc l chng ta ch ly ct PRICE v SQFT. HNH 8
Quoc Duy
6
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
4.
Nhp d liu trc tip t bn phm v bng Copy v Paste HNH 9
T tp tin trong Excel, chn dng v ct d liu cn sao chp ri Copy.
Sau , m SPSS, vo File, New, Data. Sau chn v tr v Paste d liu va Copy t Excel vo. HNH 10
Quoc Duy
7
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
Do Copy trc tip nn dng u tin cha tn bin, khng phi l gi tr nn SPSS b trng dng . Mc khc, tn bin c mc nh l VAR0001 v VAR0002. b i dng u tin, chng ta nhp vo dng s 1, sau click chut phi v chn Clear. HNH 11
HNH 12
i tn bin, nhp vo Variable View
Quoc Duy
8
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
HNH 13
Nhp vo cc trong ct Name , g
tn mi ri nhn Enter.
HNH 14
tr li sheet cha d liu, nhp vo Data View
Quoc Duy
9
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
5.
V th scatter HNH 15
Vo Menu Graphs, chn Scatter
Ch n Simple
Sau nh p Define
HNH 16 Nhp vo bin PRICE l bin ph thuc. Sau nhp vo nt ny a bin PRICE vo trc tung
HNH 17Quoc Duy
10
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
Quoc Duy
11
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
Sau khi nhp OK, kt qu v th s hin ra trong mt ca s mi c tn l Output1. V kt qu ca nhng lnh khc cng s th hin trong ca s ny. HNH 18
Quoc Duy
12
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
6.
Thng k m t d liu HNH 19
Vo Menu Analyze, Descriptive Statistics, Descriptives
Nhp vo bin PRICE ri sau nhp vo , v tng t cho bin SQRT nt (ch : ty theo nhu cu m chng ta c th chn 1 hay nhiu bin) la chn cc ch tiu cn quan tm, nhp vo Options. Nu mun chn ch tiu no th nhp vo trng bn cnh ch tiu .
Quoc Duy
13
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
HNH 20
Sau khi chn xong cc ch tiu cn xem xt, nhp vo nt Continue tr hp thoi Descriptives ri bm OK. Kt qu thng k m t s hin ra ti ca s Output1 , bng kt qu c b tr nm ngang. 7. Thm bt bin v quan st
a. Thm quan stNi tip: Quan st mun thm vo l ni tip theo cc quan st trc th chng ta nhp vo cn thm gi tr v g vo bnh thng ging nh Excel.
Quoc Duy
14
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
HNH 21
Chn: Quan st mun thm vo l xen gia cc quan st c th chng ta s chn dng cn chn ri click chut phi, chn Insert Cases. HNH 22
Sau khi dng c thm vo th chng ta nhp vo cn thm gi tr v g vo bnh thngQuoc Duy
15
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
ging nh Excel. HNH 23
Quoc Duy
16
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
b. Thm binThao tc thm bin cng ging nh trong Excel, chng ta c th g trc tip vo trong cc ca bin mi. Sau vo Variable View t tn cho bin mi . 8. Kim tra s tng quan Vo Menu Analyze, chn Correlate, Bivariate Sau khi a hai bin cn xem xt tng quan vo Variables, chng ta c th ty chn cc loi h s tng quan. Trong trng hp ny chng ta th chn Pearson v Spearman. HNH 24
Quoc Duy
17
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
Sau khi bm OK , kt qu s c hin ra trong ca s Output 1. y l bng kt qu ca h s Pearson. HNH 25
Quoc Duy
18
Chng trnh Ging dy Kinh t Fulbright
Cc Phng Php Phn Tch
Ti liu pht thm
Cn y l kt qu ca h s Spearman. HNH 26
Trong c 2 bng trn, nhng gi tr c ngha thng k c nh du bng **
Quoc Duy
19