This should do what you want?
Search found 76 matches
- Thu Feb 01, 2024 12:56 pm
- Forum: Help
- Topic: Combining two variables into one based on coding.
- Replies: 0
- Views: 3592
- Tue Sep 12, 2023 4:38 pm
- Forum: General
- Topic: MDC - Minimal Detectable Change
- Replies: 2
- Views: 3428
Re: MDC - Minimal Detectable Change
I'm not aware of MDC and haven't stumbled across it when looking at the main packages in jamvoi, and so it might not (yet) be included. However, the two sources you cited above stated that they calculated MDC according to the following (respective) formulae: = SEM × 1.96 × √2 = SEM × z-value × √2 Ac...
- Mon Aug 21, 2023 11:09 am
- Forum: General
- Topic: What does the error bars on the bar plot represent?
- Replies: 7
- Views: 2657
Re: What does the error bars on the bar plot represent?
[/quote] Do you know how I can use standard deviation or standard error in bar plot instead of this default setting in Jamovi? [/quote] You don't have the option of choosing the source of the error bars in the 'Descriptives' route - but if you were to choose a oneway ANOVA or RM ANOVA then under the...
- Mon Aug 21, 2023 9:37 am
- Forum: General
- Topic: What does the error bars on the bar plot represent?
- Replies: 7
- Views: 2657
Re: What does the error bars on the bar plot represent?
The size of the error bars do not seem to correspond to either the SD or SE values in your table, and so they are most likely 95% CI (this is the default setting for t-tests and ANOVA). Re-run your descriptives with the 95% CI option ticked and you'll probably see these match up...
- Mon Aug 07, 2023 1:18 pm
- Forum: Help
- Topic: not computing correctly
- Replies: 4
- Views: 2808
Re: not computing correctly
I think the problem is that your code is expecting data to be present (either above or below a set value) - however, as these cases have an absence of a value, your code doesn't take this into account and so the outcome is left blank. Try including a reference to 'ignore_missing' or such like in you...
- Fri Jun 30, 2023 3:47 pm
- Forum: Help
- Topic: Missing values
- Replies: 21
- Views: 16781
Re: Missing values
Hi, When I run Descriptives all my variables show missing value, but no cells were empty. Is something wrong with my dataset, How to solve this problem, and does it affect all the analysis? Thanks At a guess, at one point you probably had 70 rows of data (maybe as a result of copy/paste?) and then ...
- Wed Jun 14, 2023 12:16 pm
- Forum: Module development
- Topic: A bug in regression predicted values
- Replies: 2
- Views: 1669
Re: A bug in regression predicted values
I got the answer from other forums. I missed something big. Because the relationship between the IV and the DV is negative, the predicted value should have a negative relationship with the IV. Sorry, it is not a bug. I found a big missing piece in my understanding. As you've probably realised, the ...
- Tue Apr 25, 2023 1:11 pm
- Forum: General
- Topic: What can jamovi do that SPSS cannot?
- Replies: 5
- Views: 2885
Re: What can jamovi do that SPSS cannot?
Whilst there are undoubtedly the odd statistical test (or rather test options) here and there that jamovi offers over and above SPSS, it is my personal view that the major difference/benefit stems from the more elegant interface it possesses. Gone are the days of analyses/options being buried in a s...
- Tue Apr 18, 2023 9:54 am
- Forum: Statistics
- Topic: help with my ANOVA
- Replies: 5
- Views: 2460
Re: help with my ANOVA
The correlation could only really be done if your second variable was ordinal (not nominal) and so I would assume that you are indeed more interested in differences in mean 'first survey' scores based on the categories from your second variable (is this correct?). If so, I'm not clear on why you app...
- Mon Apr 17, 2023 10:30 am
- Forum: Statistics
- Topic: help with my ANOVA
- Replies: 5
- Views: 2460
Re: help with my ANOVA
Can you show your data file here? It sounds as though you either want to run a correlation between your two surveys, or that you are using the second 'survey' as a grouping variable to see if these 'groups' have a significant difference in scores on the first survey. If you have too few participants...