Same syntax, output, data formats as SPSS.No stepwise, forward, or backward regression.Poor handling of different-variance independent-sample t-tests.t-tests require two-value variables, you can’t specify two values of a variable.Cannot recode and manage data can filter it.Allows stepwise, forward, backward regression.If they really need to, they can go to Jamovi and PSPP. In the end, I use SPSS on Apporto, and students who have a real problem with it are invited to rent SPSS. SPSS, meanwhile, is huge, painfully slow at times, and pricey. PSPP is close to SPSS in concept and user interface, but can be clunky and the interface does have some bugs it can be hard to install. Both JASP and Jamovi have clunky and hard to learn recoding features, and neither will help students much if they need to use SPSS at work. Jamovi doesn't do that, but also doesn't provide calculations for t-tests where variance for the two groups is different it just shows a warning.
JASP requires any missing values to be declared for all variables which is crazy in some data sets. There are other issues with all of these. In the past, JASP also handled t-tests where the groups had different variances by giving an asterisk, which isn't helpful that's been fixed now. That just leaves JASP, and then my problem is the inability to set missing values for one variable. However, Jamovi, like PSPP, excludes stepwise regression for ideological reasons. That leads us to JASP and Jamovi, which are very nice front ends for R.
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That's handy because employers tend to have SPSS or SAS, not the free software (some have R but I don't even want to think about using R with people who are not going to become statisticians and may have very little computer skill I'd sooner use Stata!). PSPP is very similar to SPSS, and if you know PSPP, you can learn SPSS very quickly. My preference would be to use PSPP instead. We do have online access to it, via Apporto, but that is clunky and not everyone can use it due to Internet access problems (it requires pretty good Internet speeds). Ideally, we would all use SPSS, but we quickly run into two problems: SPSS is enormous in size, and students don't necessarily want to pay $50 for six months of SPSS rental. What do I use in my class? We do t-tests, crostabs, correlations, and stepwise regressions. It's easier to master if you're used to SPSS, but development has been very slow and JASP and Jamovi may be better options for that reason-unless you do a lot of computes and recodes and other data manipulation, or do a lot of t-tests.
At the moment there are some nasty bugs, but overall it might be easier for many people to use than JASP and Jamovi. There’s a third SPSS clone, one which keeps most of the user interface from a relatively ancient version of SPSS: PSPP. Their basic interface has an Office 365-style open/save/print/export tab options on the left, output on the right layout instant changes to the output if you change the input and export of both data and output, as desired. JASP and Jamovi share lightning-fast speed a wide range of statistics, with extra plugins on Jamovi and easy installation on Macs, Windows, and Linux. Importing variable labels and missing values from SPSS files sometimes fails (I've only seen the missing values problem on Windows), a major drawback to programs that will read SPSS files otherwise. The programs have spreadsheet-like data editors, but it's best to prepare information for them somewhere else they let you computer variables, but in a clunky and hard to use way. JASP is a fork of (it was originally based on) Jamovi both are still under active development, which have fairly similar user interfaces, and both saved a good deal of time and trouble by not reinventing the wheel-they are essentially user interfaces for another statistics program, the hard-to-learn-and-use R. Ironically, each one has a much faster user interface than SPSS-and all import and export SPSS. Each has advantages and disadvantages, and there is nothing stopping you from using all three depending on what you are trying to do. I have taught statistics using JASP, Jamovi, and PSPP. and does this work on Mojave? Is it signed and 64-bit?
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What about cryptographic signing and error messages when you try to install free statistical software for Macs? See our “ signing page.”. Free statistics software for Macintosh computers (Macs)
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