Health Data Analysis and Publication-Ready Reporting

Documentation for package ‘R4VN’ version 1.6

Help Pages

-- A --

aiask	Ask an AI service to interpret summarized statistical results
aisetup	Configure AI services for R4VN
anova	One-way ANOVA with Bartlett Test
anovai	One-way ANOVA with Bartlett Test
anova_r4vn	One-way ANOVA with Bartlett Test
appenddata	Append data frames by observations
as.data.frame.r4vn_machine	Convert a tabmachine result to a data frame
as.data.frame.r4vn_meta	Convert an R4VN meta-analysis to a data frame
at	Specify predictor values for margins

-- B --

bitest	Proportions and Tests of Proportions
bitesti	Proportions and Tests of Proportions

-- C --

cc	Epidemiological 2 by 2 Analysis
cci	Epidemiological 2 by 2 Analysis
ci	Confidence Intervals from Summaries or Variables
cii	Confidence Intervals from Summaries or Variables
ci_r4vn	Confidence Intervals from Summaries or Variables
corr	Correlation matrix
cox	Direct Cox Proportional Hazards Model
cs	Epidemiological 2 by 2 Analysis
csi	Epidemiological 2 by 2 Analysis

-- D --

dengue_its_control	Example controlled interrupted time-series data
dengue_ts	Example monthly dengue time series
describe	Describe variables in the active data
design	R4VN Study Design Studio
dict	Create an HTML data dictionary
distdata	Explore a probability distribution and calculate probabilities
distlearn	R4VN Distribution Learning Studio
dropvar	Drop variables and/or observations

-- E --

egenvar	Extended variable generation
epi	Epidemiological 2 by 2 Analysis
epii	Epidemiological 2 by 2 Analysis
epitool	R4VN EpiTool Studio
esize	Standardized Mean Differences
esizei	Standardized Mean Differences

-- F --

Friedman Test for Repeated or Matched Measurements

-- G --

gbar	Bar chart
gbox	Box plot
gdensity	Density plot
genvar	Generate one or more variables
gforest	Forest plot
ghist	Histogram
gline	Line chart
gpie	Pie or donut chart
groc	ROC curve
gscatter	Scatter plot
gsurv	Survival and Cumulative Incidence Curves

-- I --

ir	Incidence-rate Comparison
iri	Incidence-rate Comparison

-- K --

keepvar	Keep variables and/or observations
kwallis	Kruskal-Wallis Test

-- L --

labvar	Label and recode existing variables
lincom	Linear combinations of fitted-model coefficients
logistic	Binary logistic regression
lrtest	Likelihood-ratio test for nested regression models

-- M --

margins	Predictive margins after an R4VN model
marginsplot	Plot predictive margins
mcc	Matched Case-control Analysis
mcci	Matched Case-control Analysis
mergedata	Merge data frames by key variables

-- N --

nlregress	Flexible nonlinear-shape regression
normtest	Normality tests for one or more variables
nptrend	Nonparametric trend across ordered groups

-- O --

opendata	Open data from files, research platforms, online forms, and databases
ordervar	Reorder variables

-- P --

plot.r4vn_diag	Plot an R4VN diagnostic analysis
plot.r4vn_distdata	Plot an R4VN probability-distribution result
plot.r4vn_graph	Plot an R4VN graph result
plot.r4vn_graph_set	Plot an R4VN graph result
plot.r4vn_machine	Plot a tabmachine result
plot.r4vn_meta	Plot an R4VN meta-analysis
plot.r4vn_tabforest	Plot an R4VN regression forest object
plot.r4vn_tablong	Plot an R4VN Longitudinal Analysis
plot.r4vn_tabscale	Plot diagnostics from a scale analysis
plot.r4vn_tabscore	Plot an R4VN scorecard
plot.r4vn_tabts	Plot an R4VN tabts result
poisson	Poisson regression or Poisson family
predict	Prediction and postestimation diagnostics
predict.r4vn_machine	Predict from a tabmachine model
predict.r4vn_tabscore	Predict scores and risk from an R4VN scorecard
print.r4vn_graph	Print an R4VN graph result
print.r4vn_graph_set	Return an R4VN graph collection silently
print.r4vn_machine	Print a tabmachine result
print.r4vn_meta	Print or reopen an R4VN meta-analysis
print.r4vn_quick	Print a quick R4VN console summary
print.r4vn_stat	Print an R4VN statistical result
print.r4vn_tabscale	Print or reopen a scale analysis
prop	Proportions and Tests of Proportions
propi	Proportions and Tests of Proportions
proportion_tests	Proportions and Tests of Proportions
prtest	Proportions and Tests of Proportions
prtesti	Proportions and Tests of Proportions

-- Q --

Quantile regression

-- R --

r4fun	Launch R4VN Playground
R4VN_examples	R4VN Example Cookbook
ranksum	Wilcoxon Rank-sum Test
regress	Linear regression
renvar	Rename variables
replacevar	Replace values under one or more conditions

-- S --

savedata	Save data according to file extension
sdtest	Tests of Standard Deviations and Variances
sdtesti	Tests of Standard Deviations and Variances
shapevar	Reshape Data Between Wide and Long Formats
signrank	Wilcoxon Signed-rank Test
sum1	Quick numeric descriptive statistics
summary.r4vn_survey	Summarize an R4VN Survey Design
summary.r4vn_tabsurvey	Summarize a tabsurvey Result
survexport	Export an R4VN Survival Analysis
surveyset	Define a Complex Survey Design for R4VN
surv_tables	Extract Tables from an R4VN Survival Result
swilk	Shapiro-Wilk normality test

-- T --

tab	Create Descriptive, Comparative, and Regression Tables
tab1	Quick one-way frequency tables
tabconti	Create Descriptive, Comparative, and Regression Tables
tabdiag	Comprehensive Diagnostic Accuracy and ROC Analysis
tabdiagi	Immediate diagnostic accuracy from a 2 x 2 table
tabexport	Export One or More R4VN Tables
tabforest	Flexible regression, multi-outcome, survival, and subgroup forest plots
tabforest_demo	Demonstration data for tabforest()
tabi	Immediate Contingency Tables
tablearn	Learning-curve analysis for sequential clinical or procedural performance
tablong	Longitudinal and Repeated-Measures Analysis
tabmachine	Comprehensive machine-learning analysis with publication-ready reporting
tabmeta	Publication-Ready Meta-Analysis in One Command
tabmulti	Compare Multivariable Model-Building Strategies
tabscale	Comprehensive Scale Analysis
tabscore	Build, simplify, validate and present a clinical/statistical scorecard
tabsurv	Comprehensive Survival Analysis Table
tabsurvey	Publication-Ready Analysis of Complex Survey Data
tabts	Comprehensive time-series analysis with publication-ready output
ttest	Student and Welch t Tests
ttesti	Student and Welch t Tests

-- U --

Set or inspect the active data frame

-- V --

varform	Explore transformations of continuous variables
vars	Specify Variables for R4VN Tables

-- Z --

ztest	z Tests with Known Standard Deviations
ztesti	z Tests with Known Standard Deviations