際際滷

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1
X畛 l箪 s畛 li畛u th畛ng k棚 b畉ng SPSS
 M畛c ti棚u : H畛c vi棚n c坦 kh畉 nng s畛 d畛ng
SPSS 畛 x畛 l箪 d畛 li畛u th畛ng k棚 y h畛c
 N畛i dung :
1. Nh畉p d畛 li畛u, m達 ho叩 v t鱈nh to叩n, l畛c d畛 li畛u
2. Tr狸nh by d畛 li畛u
3. Ki畛m 畛nh Chi Square
4. So s叩nh trung b狸nh hai m畉u 畛c l畉p
5. So s叩nh trung b狸nh m畉u c畉p
6. One way ANOVA
7. T動董ng quan v h畛i qui tuy畉n t鱈nh
2
8. H畛i qui a bi畉n
9. H畛i qui logistic
10. Nhi畛u v t動董ng t叩c
11. 動畛ng cong ROC
12. 動畛ng cong s畛ng s坦t
13.C叩c ki畛m 畛nh phi tham s畛
14. 畛 tin c畉y trong o l動畛ng
15.Ph但n t鱈ch nh但n t畛 EFA
16.Import s畛 li畛u
17.T畉o file l動u qu叩 tr狸nh x畛 l箪
18.働畛c l動畛ng c畛 m畉u
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4
Bi 1
 Kh畛i 畛ng SPSS 16
 M畛 file *.sav
 Ph但n bi畛t c叩c lo畉i d畛 li畛u  Data types
 T畉o file d畛 li畛u - Variables
 M達 h坦a - Recode
 T畉o bi畉n m畛i - Compute
 L畛c  Select cases
5
Kh畛i 畛ng SPSS
 Kh畛i 畛ng : Start  Programs  SPSS
for Windows  SPSS 16.0 for Windows
 M畛 file c坦 s畉n :
 File  Open  Data
 Ch畛n C:ThongkeSpssDataQuest92.sav
6
C叩c mn h狸nh lm vi畛c
 Mn h狸nh Data view : nh畉p s畛a s畛 li畛u
 Mn h狸nh Variable view : 畛nh ngh挑a bi畉n
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Mn h狸nh Data view
N炭t Value labels : hi畛n 0,1
ho畉c hi畛n male/female
8
Mn h狸nh Data view (ti畉p)
 Mn h狸nh Data View cho ph辿p nh畉p/s畛a
d畛 li畛u
 Di chuy畛n 畉n record th畛 n :
 Menu Data Go to case 
 Nh畉p gi叩 tr畛 n, OK
9
Mn h狸nh variable view
10
Mn h狸nh Variable view (ti畉p)
 C坦 th畛 xem l畉i th担ng tin v畛 m畛t bi畉n :
 Menu Utilities  Variables
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Variable
1. Name : kh担ng c坦 kho畉ng tr畉ng, kh担ng d畉u
2. Type : (ki畛u) : numeric, string, date
3. Width : 畛 r畛ng
4. Decimal : s畛 s畛 l畉
5. Label : t棚n bi畉n 畉y 畛
6. Values : nh達n, v鱈 d畛 0 : N畛, 1:Nam
7. Missing : gi叩 tr畛 畉c bi畛t dnh cho d畛 li畛u tr畛ng
8. Measure : b畉n ch畉t 畉i l動畛ng (scale, ordinal,
nominal)
12
13
Ki畛u d畛 li畛u c畛a bi畉n
 Ki畛u bi畉n :
 畛nh l動畛ng :  scale
 Height
 weight
 B叩n 畛nh l動畛ng:  ordinate
 M畛c 畛 h畛i ph畛c : 0, 1, 2, 3
 Tr狸nh 畛 h畛c v畉n : ph畛 th担ng, 畉i h畛c, sau 畉i h畛c
 畛nh t鱈nh:  nominal
 Sex : male/female
 b畛nh/kh担ng b畛nh
14
Ki畛u d畛 li畛u trong SPSS (type)
 Number :
 Scale : 畛nh l動畛ng
 Ordinal : b叩n 畛nh l動畛ng
 Nominal : 畛nh t鱈nh
 String : t棚n b畛nh nh但n
 Nominal
 Date
15
Bi t畉p
 畛nh ngh挑a c叩c bi畉n (t畉p tin s畛 li畛u m畛i)
 M達 s畛 b畛nh 叩n
 H畛 t棚n b畛nh nh但n
 Tu畛i
 Chi畛u cao
 Gi畛i
 Huy畉t 叩p
 Nh畛p tim
 Ngy nh畉p vi畛n
 Ngy xu畉t vi畛n
16
17
M達 h坦a - Recode
 M達 h坦a :
 Chuy畛n bi畉n 畛nh l動畛ng thnh bi畉n 畛nh t鱈nh
 Gi畉m s畛 ph但n lo畉i c畛a bi畉n 畛nh t鱈nh
 V鱈 d畛 : m達 h坦a age thnh agegrp :
 D動畛i 18 : 0 thi畉u ni棚n
 T畛 18  35 : 1 thanh ni棚n
 T畛 36 畉n 55 : 2 trung ni棚n
 Tr棚n 55 : 3 l達o ni棚n
 M達 h坦a age thnh nh坦m tu畛i (nhom)
 <=19  0 tr畉
 >=20 畉n <=35  1 trung b狸nh
 >35  2 l畛n
18
19
M達 h坦a (ti畉p)
 Thao t叩c :
 Menu TransformRecodeinto different variable
 Ch畛n bi畉n age, click 
 畉t t棚n bi畉n m畛i : agegrp, click Change
 Ch畛n Old and new values
20
M達 h坦a (ti畉p)
 Ch畛n Range ph湛 h畛p, nh畉p New value
N畉u m達 h坦a thnh
chu畛i k鱈 t畛
T畛 17 畉n 35
D動畛i 17
Tr棚n 45
21
Bi t畉p recode
 M達 ho叩 bi畉n pulse thnh loainhip
 < 60  0 : ch畉m
 60  80  1 : trung b狸nh
 >80  2 : nhanh
22
 Caothap
(sex=0)*((height>=165 & height<=175)*1+(height>175)*2)+
(sex=1)*((height>=160 & height<=165)*1+(height>165)*2)
23
Compute
 Compute d湛ng 畛 t畉o m畛t bi畉n m畛i b畉ng
c叩ch t鱈nh m畛t bi畛u th畛c
 V鱈 d畛 : bmi = weight / height2
 H動畛ng d畉n :
 Menu Transform  Compute
 G探 t棚n bi畉n m畛i : bmi
 T畉o bi畛u th畛c :
weight * 10000/(height*height)
24
Bi t畉p d湛ng compute thay cho
recode
 T畉o bi畉n nhip b畉ng compte nh動 sau :
 <60 : 0
 60-80 : 1
 >80 : 2
Target Variable : nhip
Numeric expression :
(pulse<60)*0 + (pulse>=60 & pulse<=80)*1+(pulse>80)*2
25
V鱈 d畛 m達 h坦a v畛i l畛nh compute
 M達 ho叩 chi畛u cao (height) thnh ccao
 /v N畛 :
 D動畛i 159 cm : 0 th畉p
 T畛 159  165 : 1 trung b狸nh
 T畛 166 tr畛 l棚n : 2 cao
 /v Nam :
 D動畛i 165 cm : 0 th畉p
 T畛 165  182 : 1 trung b狸nh
 T畛 183 tr畛 l棚n : 2 cao
(sex=0)*((height>=165 & height<=182)+(height>=183)*2)
+(sex=1)*((height>=159 & height<=165)+(height>=166)*2)
26
Bi t畉p compute
 T鱈nh bmi2 theo c担ng th畛c sau :
 N畉u l Nam : bmi2=(weight/height2)*1.00
 N畉u l N畛 : bmi2=(weight/height2)*0.85
 T畉o th棚m bi畉n
 t0 l ngy gi畛 u畛ng thu畛c
 Date : dd-mmm-yyyy hh:mm
 Nh畉p : 03-mar-2010 08:20
 t1 l ngy gi畛 ph叩t hi畛n k畉t qu畉
 T鱈nh th畛i gian gi畛a 2 th畛i i畛m
27
28
Ph辿p to叩n s畛 h畛c :
+, - , * , /, l滴y th畛a
Ph辿p to叩n so s叩nh :
<,>,<=,>=,=,<>
C叩c ph辿p to叩n lu畉n l箪 :
AND, OR, NOT v ( )
C叩c hm : abs(x),
rnd(x)
29
Select cases
 Ch畛n d畛 li畛u t畛 m畉u ban 畉u
 V鱈 d畛 : ph但n t鱈ch c叩c tr動畛ng h畛p n畛
 Data  Select cases
 nh畉p n炭t if
30
 C叩c d嘆ng kh担ng th畛a i畛u ki畛n if b畛 g畉ch
ch辿o
31
Bi t畉p select cases
 Ch畛n n畛 t畛 160 cm tr畛 l棚n
sex = 1 & height >= 160
 Ch畛n n畛 th畉p h董n 155 cm hay cao h董n
160 cm
sex = 1 & ( height < 155 | height > 160 )
 Ch畛n n畛 t畛 160 cm tr畛 l棚n v nam t畛 170
cm tr畛 l棚n
(sex = 1 & height >=160) | (sex = 0 & height >=170)
(sex = 1 and height >=160) or (sex = 0 and height
>=170)
32
Ch畛n m畉u con ng畉u nhi棚n
 V鱈 d畛 ch畛n x畉p x畛 50%, 30%,
Ph但n lo畉i BMI
 Theo WHO:
 <18.5 :  0 (g畉y)
 >=18.5 - <25 :  1 (b狸nh th動畛ng)
 >=25  <=30 :  2 (b辿o)
 >30  3 (b辿o ph狸)
33

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SPSS_b1.ppt

  • 1. 1 X畛 l箪 s畛 li畛u th畛ng k棚 b畉ng SPSS M畛c ti棚u : H畛c vi棚n c坦 kh畉 nng s畛 d畛ng SPSS 畛 x畛 l箪 d畛 li畛u th畛ng k棚 y h畛c N畛i dung : 1. Nh畉p d畛 li畛u, m達 ho叩 v t鱈nh to叩n, l畛c d畛 li畛u 2. Tr狸nh by d畛 li畛u 3. Ki畛m 畛nh Chi Square 4. So s叩nh trung b狸nh hai m畉u 畛c l畉p 5. So s叩nh trung b狸nh m畉u c畉p 6. One way ANOVA 7. T動董ng quan v h畛i qui tuy畉n t鱈nh
  • 2. 2 8. H畛i qui a bi畉n 9. H畛i qui logistic 10. Nhi畛u v t動董ng t叩c 11. 動畛ng cong ROC 12. 動畛ng cong s畛ng s坦t 13.C叩c ki畛m 畛nh phi tham s畛 14. 畛 tin c畉y trong o l動畛ng
  • 3. 15.Ph但n t鱈ch nh但n t畛 EFA 16.Import s畛 li畛u 17.T畉o file l動u qu叩 tr狸nh x畛 l箪 18.働畛c l動畛ng c畛 m畉u 3
  • 4. 4 Bi 1 Kh畛i 畛ng SPSS 16 M畛 file *.sav Ph但n bi畛t c叩c lo畉i d畛 li畛u Data types T畉o file d畛 li畛u - Variables M達 h坦a - Recode T畉o bi畉n m畛i - Compute L畛c Select cases
  • 5. 5 Kh畛i 畛ng SPSS Kh畛i 畛ng : Start Programs SPSS for Windows SPSS 16.0 for Windows M畛 file c坦 s畉n : File Open Data Ch畛n C:ThongkeSpssDataQuest92.sav
  • 6. 6 C叩c mn h狸nh lm vi畛c Mn h狸nh Data view : nh畉p s畛a s畛 li畛u Mn h狸nh Variable view : 畛nh ngh挑a bi畉n
  • 7. 7 Mn h狸nh Data view N炭t Value labels : hi畛n 0,1 ho畉c hi畛n male/female
  • 8. 8 Mn h狸nh Data view (ti畉p) Mn h狸nh Data View cho ph辿p nh畉p/s畛a d畛 li畛u Di chuy畛n 畉n record th畛 n : Menu Data Go to case Nh畉p gi叩 tr畛 n, OK
  • 10. 10 Mn h狸nh Variable view (ti畉p) C坦 th畛 xem l畉i th担ng tin v畛 m畛t bi畉n : Menu Utilities Variables
  • 11. 11 Variable 1. Name : kh担ng c坦 kho畉ng tr畉ng, kh担ng d畉u 2. Type : (ki畛u) : numeric, string, date 3. Width : 畛 r畛ng 4. Decimal : s畛 s畛 l畉 5. Label : t棚n bi畉n 畉y 畛 6. Values : nh達n, v鱈 d畛 0 : N畛, 1:Nam 7. Missing : gi叩 tr畛 畉c bi畛t dnh cho d畛 li畛u tr畛ng 8. Measure : b畉n ch畉t 畉i l動畛ng (scale, ordinal, nominal)
  • 12. 12
  • 13. 13 Ki畛u d畛 li畛u c畛a bi畉n Ki畛u bi畉n : 畛nh l動畛ng : scale Height weight B叩n 畛nh l動畛ng: ordinate M畛c 畛 h畛i ph畛c : 0, 1, 2, 3 Tr狸nh 畛 h畛c v畉n : ph畛 th担ng, 畉i h畛c, sau 畉i h畛c 畛nh t鱈nh: nominal Sex : male/female b畛nh/kh担ng b畛nh
  • 14. 14 Ki畛u d畛 li畛u trong SPSS (type) Number : Scale : 畛nh l動畛ng Ordinal : b叩n 畛nh l動畛ng Nominal : 畛nh t鱈nh String : t棚n b畛nh nh但n Nominal Date
  • 15. 15 Bi t畉p 畛nh ngh挑a c叩c bi畉n (t畉p tin s畛 li畛u m畛i) M達 s畛 b畛nh 叩n H畛 t棚n b畛nh nh但n Tu畛i Chi畛u cao Gi畛i Huy畉t 叩p Nh畛p tim Ngy nh畉p vi畛n Ngy xu畉t vi畛n
  • 16. 16
  • 17. 17 M達 h坦a - Recode M達 h坦a : Chuy畛n bi畉n 畛nh l動畛ng thnh bi畉n 畛nh t鱈nh Gi畉m s畛 ph但n lo畉i c畛a bi畉n 畛nh t鱈nh V鱈 d畛 : m達 h坦a age thnh agegrp : D動畛i 18 : 0 thi畉u ni棚n T畛 18 35 : 1 thanh ni棚n T畛 36 畉n 55 : 2 trung ni棚n Tr棚n 55 : 3 l達o ni棚n
  • 18. M達 h坦a age thnh nh坦m tu畛i (nhom) <=19 0 tr畉 >=20 畉n <=35 1 trung b狸nh >35 2 l畛n 18
  • 19. 19 M達 h坦a (ti畉p) Thao t叩c : Menu TransformRecodeinto different variable Ch畛n bi畉n age, click 畉t t棚n bi畉n m畛i : agegrp, click Change Ch畛n Old and new values
  • 20. 20 M達 h坦a (ti畉p) Ch畛n Range ph湛 h畛p, nh畉p New value N畉u m達 h坦a thnh chu畛i k鱈 t畛 T畛 17 畉n 35 D動畛i 17 Tr棚n 45
  • 21. 21 Bi t畉p recode M達 ho叩 bi畉n pulse thnh loainhip < 60 0 : ch畉m 60 80 1 : trung b狸nh >80 2 : nhanh
  • 22. 22 Caothap (sex=0)*((height>=165 & height<=175)*1+(height>175)*2)+ (sex=1)*((height>=160 & height<=165)*1+(height>165)*2)
  • 23. 23 Compute Compute d湛ng 畛 t畉o m畛t bi畉n m畛i b畉ng c叩ch t鱈nh m畛t bi畛u th畛c V鱈 d畛 : bmi = weight / height2 H動畛ng d畉n : Menu Transform Compute G探 t棚n bi畉n m畛i : bmi T畉o bi畛u th畛c : weight * 10000/(height*height)
  • 24. 24 Bi t畉p d湛ng compute thay cho recode T畉o bi畉n nhip b畉ng compte nh動 sau : <60 : 0 60-80 : 1 >80 : 2 Target Variable : nhip Numeric expression : (pulse<60)*0 + (pulse>=60 & pulse<=80)*1+(pulse>80)*2
  • 25. 25 V鱈 d畛 m達 h坦a v畛i l畛nh compute M達 ho叩 chi畛u cao (height) thnh ccao /v N畛 : D動畛i 159 cm : 0 th畉p T畛 159 165 : 1 trung b狸nh T畛 166 tr畛 l棚n : 2 cao /v Nam : D動畛i 165 cm : 0 th畉p T畛 165 182 : 1 trung b狸nh T畛 183 tr畛 l棚n : 2 cao (sex=0)*((height>=165 & height<=182)+(height>=183)*2) +(sex=1)*((height>=159 & height<=165)+(height>=166)*2)
  • 26. 26 Bi t畉p compute T鱈nh bmi2 theo c担ng th畛c sau : N畉u l Nam : bmi2=(weight/height2)*1.00 N畉u l N畛 : bmi2=(weight/height2)*0.85 T畉o th棚m bi畉n t0 l ngy gi畛 u畛ng thu畛c Date : dd-mmm-yyyy hh:mm Nh畉p : 03-mar-2010 08:20 t1 l ngy gi畛 ph叩t hi畛n k畉t qu畉 T鱈nh th畛i gian gi畛a 2 th畛i i畛m
  • 27. 27
  • 28. 28 Ph辿p to叩n s畛 h畛c : +, - , * , /, l滴y th畛a Ph辿p to叩n so s叩nh : <,>,<=,>=,=,<> C叩c ph辿p to叩n lu畉n l箪 : AND, OR, NOT v ( ) C叩c hm : abs(x), rnd(x)
  • 29. 29 Select cases Ch畛n d畛 li畛u t畛 m畉u ban 畉u V鱈 d畛 : ph但n t鱈ch c叩c tr動畛ng h畛p n畛 Data Select cases nh畉p n炭t if
  • 30. 30 C叩c d嘆ng kh担ng th畛a i畛u ki畛n if b畛 g畉ch ch辿o
  • 31. 31 Bi t畉p select cases Ch畛n n畛 t畛 160 cm tr畛 l棚n sex = 1 & height >= 160 Ch畛n n畛 th畉p h董n 155 cm hay cao h董n 160 cm sex = 1 & ( height < 155 | height > 160 ) Ch畛n n畛 t畛 160 cm tr畛 l棚n v nam t畛 170 cm tr畛 l棚n (sex = 1 & height >=160) | (sex = 0 & height >=170) (sex = 1 and height >=160) or (sex = 0 and height >=170)
  • 32. 32 Ch畛n m畉u con ng畉u nhi棚n V鱈 d畛 ch畛n x畉p x畛 50%, 30%,
  • 33. Ph但n lo畉i BMI Theo WHO: <18.5 : 0 (g畉y) >=18.5 - <25 : 1 (b狸nh th動畛ng) >=25 <=30 : 2 (b辿o) >30 3 (b辿o ph狸) 33