observations {itsadug} | R Documentation |
Number of observations in the model.
Description
Number of observations in the model.
Usage
observations(model)
Arguments
model |
A fitted regression model (using gam, bam, (g)lm, (g)lmer). |
Value
Numeric value: number of observations that are considered by the model.
See Also
Other Utility functions:
convertNonAlphanumeric()
,
corfit()
,
diff_terms()
,
find_difference()
,
missing_est()
,
modeledf()
,
print_summary()
,
refLevels()
,
res_df()
,
summary_data()
,
timeBins()
Examples
data(simdat)
# simulate some missing data:
simdat[sample(1:nrow(simdat), size=15),]$Y <- NA
simdat[sample(1:nrow(simdat), size=7),]$Group <- NA
# Fit simple GAM models:
gam1 <- bam(Y ~ s(Time), data=simdat, discrete=TRUE)
gam2 <- bam(Y ~ Group + s(Time, by=Group), data=simdat, discrete=TRUE)
# number of data points in data frame:
nrow(simdat)
# observations model gam1:
observations(gam1)
# observations model gam2:
observations(gam2)
[Package itsadug version 2.4.1 Index]