Hello if I want to do proportional metanalysis on jamovi and I used proportion from major the metanalysis I is prevalence. My question is how can I get the frequency if my data in mean (SD) or % forms .I have the sample number but I don’t have a frequency how can I know it or convert to it ?
Hi Fatmah, I'm not sure I understand the question. With meta-analyses we want to get all the data in the same format. Studies should report Ns and frequency, but if they don't then you have to try back-calculate it. For example 43% of 5000 patients died, that means 2150 patients died and 2850 survived. Now what you would typically do with that data is then convert it into a odds ratio or (better) risk ratio. If you are doing meta-analyses, you probably want to learn R and get really familiar with coding. You'd also want to preregister your methods!
Can someone please assist me how to input my data to carry out statistical analysis. I have optical density readings at different time points e.g. 1 hr, 2 hrs, 3 hrs etc. up until 1008 hrs and i have done these experiments twice so for example i have a repeated set. i usually put each time point into one column and i put the values (which are in triplicates) underneath each columns time point but i dont think that this is correct. i need to compare the repeats to each other please assist
Hi Rebecca, I think you might be in a bit of trouble statistically. If you have two experiments and you want to compare them, that means you only have n=1 for each experiment. You can't really do statistics on n=1. We don't know the variability of the experiments, because you haven't repeated them, so we can't do any inferential statistics. Unless I'm not understanding your data correctly.
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Very nice introduction to Jamovi Software! Thank you and Congrats!
Note they've fixed the space in the title problem! So now you can have spaces in your column headings.
Hello, what if you accidentally use nominal data type instead of continuous datatype for numerical data? Will the results be different?
Hello if I want to do proportional metanalysis on jamovi and I used proportion from major the metanalysis I is prevalence. My question is how can I get the frequency if my data in mean (SD) or % forms .I have the sample number but I don’t have a frequency how can I know it or convert to it ?
Hi Fatmah, I'm not sure I understand the question. With meta-analyses we want to get all the data in the same format. Studies should report Ns and frequency, but if they don't then you have to try back-calculate it. For example 43% of 5000 patients died, that means 2150 patients died and 2850 survived. Now what you would typically do with that data is then convert it into a odds ratio or (better) risk ratio.
If you are doing meta-analyses, you probably want to learn R and get really familiar with coding. You'd also want to preregister your methods!
Can someone please assist me how to input my data to carry out statistical analysis. I have optical density readings at different time points e.g. 1 hr, 2 hrs, 3 hrs etc. up until 1008 hrs and i have done these experiments twice so for example i have a repeated set. i usually put each time point into one column and i put the values (which are in triplicates) underneath each columns time point but i dont think that this is correct. i need to compare the repeats to each other please assist
Hi Rebecca, I think you might be in a bit of trouble statistically. If you have two experiments and you want to compare them, that means you only have n=1 for each experiment. You can't really do statistics on n=1. We don't know the variability of the experiments, because you haven't repeated them, so we can't do any inferential statistics. Unless I'm not understanding your data correctly.
Hello