Displaying 2 results from an estimated 2 matches for "ttment2".
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ttment
2009 Mar 17
2
bigglm() results different from glm()
...mily=poisson(link="log"))
> m1big <- bigglm(y~ttment , data=dat, family=poisson(link="log"))
> summary(m1)
<snipped output for this email>
Coefficients:
Estimate Std. Error z value Pr(>|z|)
(Intercept) 2.30305 0.00141 1629 <2e-16 ***
ttment2 0.40429 0.00183 221 <2e-16 ***
Null deviance: 151889 on 99999 degrees of freedom
Residual deviance: 101848 on 99998 degrees of freedom
AIC: 533152
> summary(m1big)
Large data regression model: bigglm(y ~ ttment, data = dat, family =
poisson(link = "log"))...
2009 Jul 03
2
bigglm() results different from glm()
...answer either by
running longer:
/> summary(m1big_longer) /
Large data regression model: bigglm(y ~ ttment, data = dat, family =
poisson(link = "log"),
chunksize = 100000, maxit = 20)
Sample size = 100000
Coef (95% CI) SE p
(Intercept) 2.304 2.301 2.307 0.001 0
ttment2 0.405 0.401 0.408 0.002 0
or supplying starting values:
/> summary(m1big_started) /
Large data regression model: bigglm(y ~ ttment, data = dat, family =
poisson(link = "log"),
chunksize = 100000, start = c(2, 0)) Sample size = 100000
Coef (95% CI) SE p
(Interce...