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Install

install.packages('projoint')

Monthly Downloads

228

Version

1.1.1

License

MIT + file LICENSE

Maintainer

Yusaku Horiuchi

Last Published

February 23rd, 2026

Functions in projoint (1.1.1)

projoint_data

Create a projoint_data Object
print.projoint_data

Print a projoint_data object
print.projoint_results

Print method for projoint_results
print.projoint_tau

Print method for projoint_tau objects
projoint_diff

Estimate subgroup differences (internal)
summary.projoint_data

Summary for projoint_data
summary.projoint_tau

Summary method for projoint_tau objects
projoint_results

Create a projoint_results Object
read_Qualtrics

Read and re-format a Qualtrics CSV (choice text)
projoint

Analyze a conjoint dataset with measurement-error correction
summary.projoint_results

Summary method for projoint_results
save_labels

Save attribute and level labels to a CSV file
set_qoi

Set the quantities of interest (QoIs)
read_labels

Read and apply a reordered attribute/level mapping
reshape_projoint

Reshape survey response data for conjoint analysis (single task set)
exampleData3

Projoint Example Data Set 3: Building Conjoint with No Repeated Task
plot.projoint_tau

Plot method for projoint_tau
plot.projoint_results

Plot method for projoint_results
make_projoint_data

Make a projoint_data object from a labelled tibble
predict_tau

Estimate intra-respondent reliability (tau) without a repeated task
plot_projoint_choice_level_mm

Plot choice-level marginal means (MMs) (helper)
organize_data

Organize data for estimation (internal helper)
out1_arranged

Example Output: Manually Rearranged Labels
exampleData1_labelled_tibble

Projoint Example Data Set 1: "Labelled Tibble"
projoint_level

Estimate profile- or choice-level effects (internal)
exampleData1

Projoint Example Data Set 1: Building Conjoint with a Repeated, Flipped Task
exampleData2

Projoint Example Data Set 2: Building Conjoint with a Repeated, Non-Flipped Task
pj_estimate

Internal Estimation Function
projoint_qoi

Create a projoint_qoi Object