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sitar (version 1.0.1)
SITAR growth curve analysis
Description
Functions for fitting and plotting SITAR (SuperImposition by Translation And Rotation) growth curve models
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Install
install.packages('sitar')
Monthly Downloads
769
Version
1.0.1
License
GPL (>= 2)
Maintainer
Tim Cole
Last Published
June 27th, 2014
Functions in sitar (1.0.1)
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plotclean
Plot multiple growth curves to identify outliers
codeplot
Plot and zap velocity outliers in growth curves
BICadj
Ways to compare SITAR models for fit
who06
The WHO 2006 growth standard
print.summary.sitar
Print summary of SITAR model
bupdate
Update the b fixed effect to minimise the b-c random effect correlation
z2cent
Express z-scores as centile character strings for plotting
cLMS
LMS conversion to and from z-scores
heights
Serial heights measured in 12 girls
sitar-package
SITAR (SuperImposition by Translation And Rotation) growth curve analysis
lms2z
Convert to/from measurement from/to z-score with growth reference
sitar
Fit SITAR growth curve model
velout
Identify outliers with abnormal velocity in growth curves
uk90
UK 1990 growth reference
ukwhopt
UK-WHO growth reference including preterm
plot.sitar
Plot SITAR model
y2plot
Plot with two y axes
summary.sitar
Create summary of SITAR model
subsample
Sample from SITAR dataset
print.sitar
Print SITAR model
getVarCov.sitar
Extract variance-covariance matrix for SITAR models
funcall
Function call with optional inverse
mplot
Plot multiple growth curves
LMSfit
Estimate LMS curves from tabulated growth reference centiles
predict.sitar
Predict SITAR model
recalib
Recalibrate x, y data using SITAR random effects
anova.sitar
Compare Likelihoods of Fitted SITAR Objects
getData.sitar
Extract SITAR object data
ifun
Invert an expression defining a data transformation
makess
Create cubic smoothing spline from data
xaxsd
Par args xaxs and yaxs option d
getCovariate.sitar
Extract Covariate from a SITAR object
xyadj
Adjust x and y variables for SITAR random effects