Search found 2757 matches

by jonathon
Thu Jan 16, 2025 12:18 am
Forum: General
Topic: T-test
Replies: 1
Views: 1601

Re: T-test

sounds like you're on the right track ... you'll be wanting to use an "independent samples t-test". one column will contain the measure of interest (your dependent variable) and one column will contain their group (those having used biologic therapies before, and those who haven't). if you...
by jonathon
Sun Jan 12, 2025 11:10 pm
Forum: Statistics
Topic: How are percentiles calculated?
Replies: 2
Views: 678

Re: How are percentiles calculated?

hi,

jamovi uses the quantile function from R, which looks to default to "type 7" quantiles.

Screenshot 2025-01-13 at 10.09.32.png
Screenshot 2025-01-13 at 10.09.32.png (16.36 KiB) Viewed 547 times

you can reproduce with the following R code:

quantile(c(5, 8, 10, 15, 18, 25, 30, 35, 40, 45))

cheers

jonathon
by jonathon
Wed Jan 08, 2025 12:45 am
Forum: jamovi development
Topic: 2.6.19/21 export bug
Replies: 3
Views: 764

Re: 2.6.19/21 export bug

ah, thanks for letting us know ... just pushing out a 2.6.22 ...

jonathon
by jonathon
Tue Jan 07, 2025 5:00 am
Forum: jamovi development
Topic: Esc in Save changes
Replies: 6
Views: 2426

Re: Esc in Save changes

thanks yuri,

damo should get a chance to look at this soon.

jonathon
by jonathon
Tue Jan 07, 2025 4:02 am
Forum: jamovi development
Topic: 2.6.19/21 export bug
Replies: 3
Views: 764

Re: 2.6.19/21 export bug

thanks vjalby,

i've created a fix, and will have damo review it before merging:

https://github.com/jamovi/jamovi/pull/1590

with thanks

jonathon
by jonathon
Wed Dec 18, 2024 5:49 am
Forum: jamovi development
Topic: Esc in Save changes
Replies: 6
Views: 2426

Re: Esc in Save changes

thanks, i've created an issue here:

https://github.com/jamovi/jamovi/issues/1588

jonathon
by jonathon
Fri Dec 13, 2024 2:11 am
Forum: Help
Topic: merge files
Replies: 6
Views: 2989

Re: merge files

take a look at jTransform in the jamovi library

jonathon
by jonathon
Sun Dec 08, 2024 12:09 am
Forum: Help
Topic: Computing Mean Score - ignoring certain values without excluding participant/row altogether
Replies: 5
Views: 2048

Re: Computing Mean Score - ignoring certain values without excluding participant/row altogether

so in statistics, we treat a missing value as "don't know" ... so if you take the mean of three values, and one of the values is "don't know", then you "don't know" the mean of those three values either. ignore_missing=1 is where you say to ignore the missing value, so ...
by jonathon
Sat Dec 07, 2024 3:04 am
Forum: Help
Topic: Computing Mean Score - ignoring certain values without excluding participant/row altogether
Replies: 5
Views: 2048

Re: Computing Mean Score - ignoring certain values without excluding participant/row altogether

i *would* treat the 99 as a missing value, and then use the ignore_missing=1 argument to the MEAN() function.

cheers
by jonathon
Tue Nov 26, 2024 11:09 pm
Forum: Help
Topic: Combine Multiple Non-Mutually Exclusive Variables
Replies: 3
Views: 1899

Re: Combine Multiple Non-Mutually Exclusive Variables

Hi, thanks for raising this. so called "multiple response variables" are something of an area of weakness in jamovi at the moment. i've made a couple of changes to jamovi to better support this; i've added an ignore_missing argument to the HLOOKUP() function, and i've added a COUNT() funct...