Likert - Githubissues

MSKCC-Epi-Bio / bstfun

Miscellaneous collection of functions

http://mskcc-epi-bio.github.io/bstfun

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Likert #54

Closed ddsjoberg closed 2 years ago

ddsjoberg commented 2 years ago

closes #53

[x] Implement add_n() method.
[x] Use forcats::fct_unify()
[x] Add tbl sorting

larmarange commented 2 years ago

Thanks @ddsjoberg for the proposal.

Some thoughts about potential functionalities for discussion.

If all factors do not have the same levels, instead of a stop, we could harmonize the level with forcats::fct_unify() and display a message.
We could add some methods add_n() and add_missing() to display the number of observations and missing observations.
A method add_score() to present some summary statistic by considering the variables as continuous. By default, I would suggest to display statistic = "{mean} ({sd})". In addition, it would be important to have an argument score_values to indicate how to transform the factor into a score. If NULL, simply use as.integer(data[[variable]]). If provided (e.g. -2:2 for a five levels scales), using score_values[as.integer(data[[variable]])].

larmarange commented 2 years ago

Can we also think about a group option (for example group = "sex") to compute the likert table by sub-group and then to stack them?

larmarange commented 2 years ago

add_overall() for displaying a total 100% column?

larmarange commented 2 years ago

Would it be difficult to have an option or a method to order the table based on mean score?

larmarange commented 2 years ago

Should we fix missing = "no" when calling tbl_summary() and display the number of missing through a method add_missing() ?

ddsjoberg commented 2 years ago

Should we fix missing = "no" when calling tbl_summary() and display the number of missing through a method add_missing() ?

We could add it, but the "variable" being summarized in "...all_true...", which has no missing values. The missing values are auto-dropped because it's the by= variable.

Would it be difficult to have an option or a method to order the table based on mean score?

That shouldn't be too bad!

add_overall() for displaying a total 100% column?

I am not sure I know what you have in mind here.

A method add_score() to present some summary statistic by considering the variables as continuous.

This can be added. But perhaps not a priority, as a user can easily create the continuous summary then merge it with the likert table.

Can we also think about a group option (for example group = "sex") to compute the likert table by sub-group and then to stack them?

This wouldn't be difficult to implement with tbl_strata(). I would imagine users would want to control whether the tbls are stacked or merged. It can be added, but i'll prioritize the other items first....need to think about best implementation.