Search found 218 matches

by seol
Sun Nov 16, 2025 8:48 pm
Forum: General
Topic: Composite boxplots
Replies: 10
Views: 19145

Re: Composite boxplots

Not yet. Todo list.
by seol
Sun Nov 16, 2025 12:17 am
Forum: General
Topic: Composite boxplots
Replies: 10
Views: 19145

Re: Composite boxplots

This error occurs because your selected variables contain missing or infinite values; please remove or clean these values and the Profile plot will work correctly.
by seol
Sat Nov 15, 2025 8:59 pm
Forum: General
Topic: Composite boxplots
Replies: 10
Views: 19145

Re: Composite boxplots

You can create this type of composite boxplot in snowLatent → Profile plot. The Profile plot module allows you to place multiple continuous variables in a single figure, with – variables on the x-axis, – values on the y-axis, and – grouping shown by color. This produces exactly the combined boxplot ...
by seol
Sat Nov 15, 2025 8:53 pm
Forum: General
Topic: Composite boxplots
Replies: 10
Views: 19145

Re: Composite boxplots

Hi

Is this what you want shown below?

Best
Seol
by seol
Fri Oct 24, 2025 10:50 pm
Forum: Help
Topic: distractor analysis error
Replies: 1
Views: 10341

Re: distractor analysis error

Hi EA

The newest version of snowIRT resolved the issue of 'breaks are not unique'.
please download the following version of snowIRT module in jamovi library.

Best Regards
Seol
by seol
Fri Aug 15, 2025 7:08 am
Forum: General
Topic: generating Expected Score Curves in SNOWIRT
Replies: 4
Views: 25447

Re: generating Expected Score Curves in SNOWIRT

Hi Belzile

Good news.

All graphs are produced simultaneously when you select the analysis option in dichotomous and polytomous model.

The updated version will be available on Monday. I will let you know. Thanks for your request again.

Best Regards
Seol
by seol
Thu Aug 14, 2025 2:11 pm
Forum: General
Topic: generating Expected Score Curves in SNOWIRT
Replies: 4
Views: 25447

Re: generating Expected Score Curves in SNOWIRT

Hi Implementing the feature to display a separate graph for each item requires a fundamental change to the module's structure. The output for plot must be converted from a single plot object into a dynamic array of plots. This change affects more than just the plotting function itself: Initializatio...
by seol
Sun Jul 13, 2025 12:41 am
Forum: Help
Topic: Problem installing snowCluster module
Replies: 6
Views: 90350

Re: Problem installing snowCluster module

Hi

@jonathon. Waiting for an update to jamovi 2.7 sooner or later. When it is updated, please reinstall the snowCluster module from the jamovi library at that time.

Best Regards
Seol
by seol
Sat Jun 21, 2025 12:37 am
Forum: Module development
Topic: Incorrect effect-size value in paired t-test
Replies: 8
Views: 116470

Re: Incorrect effect-size value in paired t-test

Example: >column1 <- c(10, 20, 30, 40, 50, NA) > column2 <- c(8, 17, 28, 39, NA, 60) > # Incorrect calculation > m1 <- mean(column1, na.rm=TRUE) > m2 <- mean(column2, na.rm=TRUE) > pooledSD <- sd(column1 - column2, na.rm=TRUE) > d_wrong <- (m1 - m2) / pooledSD > d_wrong [1] -0.4898979 > # Correct ca...
by seol
Fri Jun 20, 2025 11:46 pm
Forum: Module development
Topic: Incorrect effect-size value in paired t-test
Replies: 8
Views: 116470

Re: Incorrect effect-size value in paired t-test

Here is the correct way to calculate Cohen’s d for a paired samples t-test in R diffs <- column1 - column2 d <- mean(diffs, na.rm=TRUE) / sd(diffs, na.rm=TRUE) If there are missing values (NAs) in different places in each column, then length(column1) and length(column1 - column2) may not be equal. A...