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Contingency Tables

Summarise binary and binomial proportion data in contingency tables.

binom_contingency() as_binom_contingency()
Binomial Contingency Table for Data with a Binary Outcome
contingency_table() xcontingency_table()
Contingency Tables for Two or More Categorical Variables

Compare Models

Compare related generalised linear models using anova and other measures.

anova_tbl()
Create Tibble from List of Anovas
comp_glm()
Compare Series of Nested GLMs
summanov()
List of Summary and Analysis of Deviance Objects for Related Univariable GLMs
univ_anova()
Analyses of Deviance Summarising Fits of Univariable GLMs

Contrasts

Contrast Attribute

Get, set or remove the contrasts attribute for selected categorical variables.

get_contr_data() set_contr_treat() `set_contr_treat<-`()
Get and Set Treatment Contrasts for Independent Variables in Data
get_contrasts() set_contrasts() `set_contrasts<-`()
Get and Set Contrasts Matrix for an Independent Variable in Data

Contrast Names

Get, set and manipulate contrast names.

contr_colnames() `contr_colnames<-`() `contr_colpfx<-`()
Get and Set Contrast Matrix Column Names
helm_names() `helm_names<-`()
Create and Set Names for Helmert Contrasts

Factors

Factor Levels

Enumerate, remove or select factors in data.

good_levels() drop_null() drop_zero()
Remove Levels of Independent Variable where Dependent Variable All Success or All Failure
expl_fcts()
Explanatory Factors in Data as List of Expressions
levels_data() nlevels_data()
Levels of all Factors in Data

Manipulate Factors

Group or transform factors in data.

add_grps()
Add Factors to Data Based on Grouped Levels of an Existing Factor
fct_to_num()
Factor as Numeric

Odds Ratios

Calculate odds ratios, their confidence intervals and associated probabilities.

odds_ratio() formula(<odds_ratio>)
Odds Ratios, Standard Errors, Confidence Intervals and P-Values for Binomial GLMs

Plot Models

Plot model results and standard errors, with optional grouping of levels of selected categorical variables.

glm_plotlist()
Data for Plotting Univariable GLM Predictions and Error Bars for Multiple Independent Variables
glm_plotdata()
Collate Data for Plotting Univariable GLM Predictions with Error Bars
ggplot(<glm_plotdata>)
Plot Model Predictions with Error Bars for Univariable GLM
var_labs()
Format or Lookup Variable Names for Plot Titles

Printing

Auxilliary print functions and printing of objects derived from ParaAnita S3 methods.

announce()
Announce Class for Consistent Printing
lf() print_lf()
Pipe-Friendly Line Feeds and Printing
print_all()
Print All (or More) of an Object
print(<announce>) print(<binom_contingency>) print(<contingency_table>) print(<odds_ratio>) print(<summ_anov>)
S3 Print Methods

Simulate Data

Simulate Bernoulli and binomial proportion data sets with categorical explanatory variables.

bernoulli_data() binom_data()
Simulated Bernoulli and Binomial Proportion Data

Statistical Auxiliary Functions

Simplify statistical analysis with auxiliary functions.

chsqfish()
Chi-Squared or Fisher's Exact Test
starsig()
Stars for Statistical Significance

Tidy up workspace

Clear the workspace of related objects such as similarly named models.

rm_objects()
Remove Sequentially Numbered Objects from Workspace

Data

Datasets provided in ParaAnita.

budworm
Budworm Data