-
Notifications
You must be signed in to change notification settings - Fork 0
/
Script 3 Modelo final.R
331 lines (257 loc) · 6.84 KB
/
Script 3 Modelo final.R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
#base de datos en: https://osf.io/esgzb/
load("R TFG/dat.rda")
bob<-dat
library(lavaan)
library(semTools)
#Estandarización de variables######################
#BMI
bmiMn <- mean(bob$bmi_0, na.rm = TRUE)
bmiSd <- sd(bob$bmi_0, na.rm = TRUE)
bmivars <- names(bob)[grepl("bmi", names(dat))]
newbmivars <- paste0(bmivars, "_std")
bob[newbmivars] <- (bob[bmivars] - bmiMn)/bmiSd
#EDEQ
edeqMn <- mean(bob$edeq_0, na.rm = TRUE)
edeqSd <- sd(bob$edeq_0, na.rm = TRUE)
edeqvars <- paste0("edeq_", c(0:4))
newedeqvars <- paste0(edeqvars, "_std")
bob[newedeqvars] <- (bob[edeqvars] - edeqMn)/edeqSd
rm(bmiMn,bmiSd,bmivars,edeqMn,edeqSd,edeqvars)
#Cambio de nombre para el código ##################
names(bob)[names(bob) == 'edeq_0_std'] <- 'oy1'
names(bob)[names(bob) == 'edeq_1_std'] <- 'oy2'
names(bob)[names(bob) == 'edeq_2_std'] <- 'oy3'
names(bob)[names(bob) == 'bmi_0_std'] <- 'ox1'
names(bob)[names(bob) == 'bmi_5_std'] <- 'ox2'
names(bob)[names(bob) == 'bmi_10_std'] <- 'ox3'
#Modelo 5 #########################################
LCSM5 = "
# Declaring latent level
y1 =~ 1* oy1
y2 =~ 1* oy2
y3 =~ 1* oy3
x1 =~ 1* ox1
x2 =~ 1* ox2
x3 =~ 1* ox3
# Auto-regression
y2 ~ 1* y1
y3 ~ 1* y2
x2 ~ 1* x1
x3 ~ 1* x2
# Define latent change
dy2 =~ 1* y2
dy3 =~ 1* y3
dx2 =~ 1* x2
dx3 =~ 1* x3
# Auto-proportions
dy2 ~ b_y * y1
dy3 ~ b_y * y2
dx2 ~ b_x * x1
dx3 ~ b_x * x2
# Couplings
dy2 ~ g_y * x1
dy3 ~ g_y * x2
dx2 ~ g_x * y1
dx3 ~ g_x * y2
#Phi (autorregresion del cambio)
dy3 ~ p_y * dy2
dx3 ~ p_x * dx2
#Ksi (coupling del cambio)
dy3 ~ k_y * dx2
dx3 ~ k_x * dy2
# Latent intercepts and slopes
yInt =~ 1 * y1
ySlp =~ 1*dy2 + 1*dy3
xInt =~ 1 * x1
xSlp =~ 1*dx2 + 1*dx3
# Latent means
yInt ~ yInMn * 1
ySlp ~ ySlMn * 1
xInt ~ xInMn * 1
xSlp ~ xSlMn * 1
# Observed means fixed at 0
oy1 ~ 0 * 1
oy2 ~ 0 * 1
oy3 ~ 0 * 1
ox1 ~ 0 * 1
ox2 ~ 0 * 1
ox3 ~ 0 * 1
#M5 liberación de varianzas y covarianzas xy del componente aditivo
# Latent variances and covariances
yInt ~~ yInV * yInt #varianza intersección Y
ySlp ~~ ySlV * ySlp #varianza pendiente Y
yInt ~~ 0* ySlp #covarianza int slp y
xInt ~~ xInV * xInt #varianza intersección X
xSlp ~~ xSlpV * xSlp #varianza pendiente X
xInt ~~ 0 * xSlp #covarianza int slp x
yInt ~~ xyIntCv * xInt
ySlp ~~ xySlpCv * xSlp
yInt ~~ 0 * xSlp
xInt ~~ 0 * ySlp
#Errores (varianzas) de latentes
y1 ~~ 0 * y1
y2 ~~ 0 * y2
y3 ~~ 0 * y3
x1 ~~ 0 * x1
x2 ~~ 0 * x2
x3 ~~ 0 * x3
# Dynamic errors
dy2 ~~ 0 * dy2
dy3 ~~ 0 * dy3
dx2 ~~ 0 * dx2
dx3 ~~ 0 * dx3
# Covariance between dynamic errors
dy2 ~~ 0 * dx2
dy3 ~~ 0 * dx3
#Error de medida observada (MerX, MerY)
oy1 ~~ MerY * oy1
oy2 ~~ MerY * oy2
oy3 ~~ MerY * oy3
ox1 ~~ MerX * ox1
ox2 ~~ MerX * ox2
ox3 ~~ MerX * ox3
#Covarianza de errores de medida observada (MerXY)
oy1 ~~ MerXY * ox1
oy2 ~~ MerXY * ox2
oy3 ~~ MerXY * ox3
"
# Fit model
LCSM5.fit = lavaan(LCSM5, data=bob, missing="ML")
LCSM5.sum <- summary(LCSM5.fit, fit.measures=T) # Obtain summary
LCSM5.pars <- LCSM5.sum$PE
LCSM5.pars <- LCSM5.pars[!is.na(LCSM5.pars$z),]
LCSM5.pars <- LCSM5.pars[!duplicated(round(LCSM5.pars$est,5)),]
LCSM5.pars
fitmeasures(LCSM5.fit)
cbind(LCSM5.pars[c("lhs", "op", "rhs", "label")],
round(LCSM5.pars[c("est", "se", "z", "pvalue")], 3))
#Modelo 5 Optimizado (M5B) #########################
LCSM5B = "
# Declaring latent level
y1 =~ 1* oy1
y2 =~ 1* oy2
y3 =~ 1* oy3
x1 =~ 1* ox1
x2 =~ 1* ox2
x3 =~ 1* ox3
# Auto-regression
y2 ~ 1* y1
y3 ~ 1* y2
x2 ~ 1* x1
x3 ~ 1* x2
# Define latent change
dy2 =~ 1* y2
dy3 =~ 1* y3
dx2 =~ 1* x2
dx3 =~ 1* x3
# Auto-proportions
dy2 ~ b_y * y1
dy3 ~ b_y * y2
dx2 ~ b_x * x1
dx3 ~ b_x * x2
# Couplings RESTRINGIDOS
dy2 ~ 0 * x1
dy3 ~ 0 * x2
dx2 ~ 0 * y1
dx3 ~ 0 * y2
#Phi (autorregresion del cambio)
dy3 ~ p_y * dy2
dx3 ~ p_x * dx2
#RESTRICCION
#Ksi (coupling del cambio)
dy3 ~ 0 * dx2
dx3 ~ 0 * dy2
# Latent intercepts and slopes
yInt =~ 1 * y1
ySlp =~ 1*dy2 + 1*dy3
xInt =~ 1 * x1
xSlp =~ 1*dx2 + 1*dx3
# Latent means
yInt ~ yInMn * 1
ySlp ~ ySlMn * 1
xInt ~ xInMn * 1
xSlp ~ xSlMn * 1
# Observed means fixed at 0
oy1 ~ 0 * 1
oy2 ~ 0 * 1
oy3 ~ 0 * 1
ox1 ~ 0 * 1
ox2 ~ 0 * 1
ox3 ~ 0 * 1
#M5 liberación de varianzas y covarianzas xy del componente aditivo
# Latent variances and covariances
yInt ~~ yInV * yInt #varianza intersección Y
ySlp ~~ ySlV * ySlp #varianza pendiente Y
yInt ~~ 0* ySlp #covarianza int slp y
xInt ~~ xInV * xInt #varianza intersección X
xSlp ~~ xSlpV * xSlp #varianza pendiente X
xInt ~~ 0 * xSlp #covarianza int slp x
yInt ~~ xyIntCv * xInt
ySlp ~~ xySlpCv * xSlp
yInt ~~ 0 * xSlp
xInt ~~ 0 * ySlp
#Errores (varianzas) de latentes
y1 ~~ 0 * y1
y2 ~~ 0 * y2
y3 ~~ 0 * y3
x1 ~~ 0 * x1
x2 ~~ 0 * x2
x3 ~~ 0 * x3
# Dynamic errors
dy2 ~~ 0 * dy2
dy3 ~~ 0 * dy3
dx2 ~~ 0 * dx2
dx3 ~~ 0 * dx3
# Covariance between dynamic errors
dy2 ~~ 0 * dx2
dy3 ~~ 0 * dx3
#Error de medida observada (MerX, MerY)
oy1 ~~ MerY * oy1
oy2 ~~ MerY * oy2
oy3 ~~ MerY * oy3
ox1 ~~ MerX * ox1
ox2 ~~ MerX * ox2
ox3 ~~ MerX * ox3
#Covarianza de errores de medida observada (MerXY)
oy1 ~~ MerXY * ox1
oy2 ~~ MerXY * ox2
oy3 ~~ MerXY * ox3
"
# Fit model
LCSM5B.fit = lavaan(LCSM5B, data=bob, missing="ML")
LCSM5B.sum <- summary(LCSM5B.fit, fit.measures=T) # Obtain summary
LCSM5B.pars <- LCSM5B.sum$PE
LCSM5B.pars <- LCSM5B.pars[!is.na(LCSM5B.pars$z),]
LCSM5B.pars <- LCSM5B.pars[!duplicated(round(LCSM5B.pars$est,5)),]
LCSM5B.pars
fitmeasures(LCSM5B.fit)
cbind(LCSM5B.pars[c("lhs", "op", "rhs", "label")],
round(LCSM5B.pars[c("est", "se", "z", "pvalue")], 3))
estimacionM5B <- cbind(LCSM5B.pars[c("lhs", "op", "rhs", "label")],
round(LCSM5B.pars[c("est", "se", "z", "pvalue")], 3))
#Comparación M5 y M5B ################
modelL5 <- list()
modelL5$m5 <- LCSM5
modelL5$m5B <- LCSM5B
fitL5 <- list()
fitL5$m5 <- lavaan(data=bob, modelL5$m5, missing="ML")
fitL5$m5B <- lavaan(data=bob, modelL5$m5B, missing="ML")
summ_list <- list()
fitms <- c("npar","logl","aic",
"chisq", "df", "pvalue",
"rmsea", "cfi", "srmr")
fitmeasL5 <- list()
fitmeasL5$m5 <- fitmeasures(fitL5$m5, fit.measures = fitms)
fitmeasL5$m5B <- fitmeasures(fitL5$m5B, fit.measures = fitms)
sum55b <- cbind(round(fitmeasL5$m5,3), round(fitmeasL5$m5B,3))
sum55b
comp55b <- compareFit(fitL5$m5, fitL5$m5B, nested=TRUE)
comp55b
#------ Resumen de resultados de todos los analisis -------
#__________________________________________________________
#indices de ajuste de modelo 5 y 5 optimizado
sum55b
#comparación de modelos 5 y 5 optimizado
comp55b
#estimación de parámetros modelo 5 optimizado
estimacionM5B