Boa tarde listeiros (@s),
Estou aplicando a análise fatorial e queria a ajuda para utilizar o pacote 'sem'. De acordo com o Quick-r (http://www.statmethods.net/advstats/factor.html). Segundo o script apresentado no site os fatores F1 e F2 são descritos em função das variáveis X1, X2,...e as cargas lam1,lam2,...ect. Bem minha dúvida é: essas posições das cargas (lam1,lam2,...) são fixas e como posso colocar na equação do modelo as mais significativas, tipo (lam3, lam7). E como posso retirar a equação usando meus dados. Segue minha rotina. af=factanal(dad, factors=8, scores=c('Bartlett'), rotation='varimax') > af Call: factanal(x = dad, factors = 8, scores = c("Bartlett"), rotation = "varimax") Uniquenesses: ï..s3 s7 s11 s15 s16 ad1 ad2 ad3 ad4 ad5 ad9 ad13 ad14 ad15 ad19 0.341 0.005 0.484 0.079 0.005 0.103 0.308 0.098 0.005 0.090 0.108 0.015 0.200 0.005 0.436 Loadings: Factor1 Factor2 Factor3 Factor4 Factor5 Factor6 Factor7 Factor8 ï..s3 0.295 -0.250 0.202 0.140 0.266 0.612 s7 -0.407 0.865 -0.135 0.163 -0.153 s11 -0.426 0.541 0.118 s15 0.930 -0.164 -0.139 s16 0.247 0.561 -0.103 0.771 ad1 0.910 -0.178 0.158 ad2 0.781 -0.229 0.101 -0.101 ad3 0.875 -0.202 0.134 0.248 ad4 -0.134 0.538 -0.267 0.777 ad5 0.887 -0.156 0.295 ad9 0.128 0.926 ad13 0.894 0.258 -0.227 0.235 ad14 0.813 0.183 0.103 0.256 -0.151 ad15 0.389 -0.155 0.397 0.744 0.305 ad19 0.622 0.132 -0.123 0.138 0.149 0.312 Factor1 Factor2 Factor3 Factor4 Factor5 Factor6 Factor7 Factor8 SS loadings 3.832 3.365 1.507 0.997 0.772 0.771 0.751 0.722 Proportion Var 0.255 0.224 0.100 0.066 0.051 0.051 0.050 0.048 Cumulative Var 0.255 0.480 0.580 0.647 0.698 0.750 0.800 0.848 Test of the hypothesis that 8 factors are sufficient. The chi square statistic is 12.7 on 13 degrees of freedom. The p-value is 0.471 Muito obrigado a todos. Bruce Quick-R: Factor Analysis - Quick-R: Home Page<http://www.statmethods.net/advstats/factor.html> www.statmethods.net Learn principal components and factor analysis in R. Factor analysis includes both exploratory and confirmatory methods.
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