search for: x_078

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2011 Jun 29
1
lmer() computational performance
...explanatory variables. Not a very large data set. We run random intercepts as well as random coefficients for about 10 of the variables, the rest come in as fixed effects. We are running into a wall of time to execute these models. A sample specification of all random effects: lmer(Y ~ 1 + (x_078 + x_079 + growth_st_index + retail_st_index + Natl + econ_home_st_index + econ_bankruptcy + index2_HO + GPND_ST | state), data = newData, doFit = TRUE) Computation time is near 15 minutes. System ELAPSED User 21.4 888.63 701.7...
2011 Jun 30
0
help with interpreting what nnet() output gives:
...explanatory variables. Not a very large data set. We run random intercepts as well as random coefficients for about 10 of the variables, the rest come in as fixed effects. We are running into a wall of time to execute these models. A sample specification of all random effects: lmer(Y ~ 1 + (x_078 + x_079 + growth_st_index + retail_st_index + Natl + econ_home_st_index + econ_bankruptcy + index2_HO + GPND_ST | state), data = newData, doFit = TRUE) Computation time is near 15 minutes. System ELAPSED User 21.4 888.63 701.7...