Description Usage Arguments Value Note Author(s) Examples
Returns the standard errors of the fixed estimates in a mixed effects model.
1 | se.fixef(model)
|
model |
Mixed effects regression model of class 'mer' |
A vector with the standard errors of the fixed parameters of the model.
This is a small helper-function to the influence.ME package. For more elaborate functionality, refer to the se.fixef function in the 'car' package.
Rense Nieuwenhuis, Ben Pelzer, Manfred te Grotenhuis
1 2 3 4 5 6 7 |
Loading required package: lme4
Loading required package: Matrix
Attaching package: 'influence.ME'
The following object is masked from 'package:stats':
influence
Linear mixed model fit by REML ['lmerMod']
Formula: math ~ homework + structure + (1 | school.ID)
Data: school23
REML criterion at convergence: 3688.2
Scaled residuals:
Min 1Q Median 3Q Max
-2.6481 -0.6741 0.0276 0.6148 2.9537
Random effects:
Groups Name Variance Std.Dev.
school.ID (Intercept) 18.91 4.349
Residual 70.22 8.380
Number of obs: 519, groups: school.ID, 23
Fixed effects:
Estimate Std. Error t value
(Intercept) 57.3157 5.4200 10.575
homeworkLess than 1 hour -1.1868 1.4781 -0.803
homework1 hour 0.9823 1.6004 0.614
homework2 hours 5.6850 1.8648 3.049
homework3 hours 9.1226 1.8866 4.836
homework4-6 hours 8.5542 2.0289 4.216
homework7-9 hours 8.5383 3.7576 2.272
homework10 or more 8.3612 5.1019 1.639
structure -2.0497 1.3071 -1.568
Correlation of Fixed Effects:
(Intr) hmLt1h hmwr1h hmwr2h hmwr3h hm4-6h hm7-9h hm10om
hmwrkLsst1h -0.243
homework1hr -0.198 0.794
homewrk2hrs -0.188 0.678 0.636
homewrk3hrs -0.201 0.681 0.639 0.560
hmwrk4-6hrs -0.209 0.632 0.592 0.522 0.550
hmwrk7-9hrs -0.088 0.350 0.338 0.283 0.299 0.282
hmwrk10ormr -0.068 0.256 0.248 0.208 0.225 0.212 0.123
structure -0.954 0.015 -0.017 0.004 0.019 0.041 -0.007 0.000
[1] 5.420007 1.478076 1.600378 1.864821 1.886567 2.028886 3.757594 5.101874
[9] 1.307096
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.