How to conduct Sobel's test using STATA?

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In PRIMER, is it possible to downweight certain taxa in multivariate community datasets to reflect uncertainty around identification??

I have a dataset with about 80 different species. As usual, some species are very easy to identify with certainty whereas others are more difficult, which means that I am less certain of my...

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How to get onecolumn document from standard IEEE ACCESS LateX template?

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02 March 2021 1,830 3 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

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01 March 2021 2,027 2 View

OpenBCI eeg--has anyone used them?

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How to remove DCU and HOBT from my reaction?

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How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

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B-mercaptoethanol (BME) protocol?

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27 February 2021 5,028 2 View

How to compare two groups with only two measurements?

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03 March 2021 8,796 3 View

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

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03 March 2021 5,997 2 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

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I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

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How to increase a model accuracy ?

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1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

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What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

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02 March 2021 4,362 1 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

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Do I need to strip the PVDF membrane before staining it with colloidal gold?

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PACYC PCR not working after several attempts. Would anyone have any suggestions?

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02 March 2021 1,146 2 View

Markos Farag

You can review the output of "help sgmediation". This will show you how to run a Sobel test of Mediation in STATA.

Rana Yassir Hussain

Thanks respected Markos Magdy

Luca Fumarco

the sgmediation user written command is useful, but is no longer updated. The user who did it took it down. The reason for that is that the recent "sem" and "gsem" in-built Stata commands can do the same things, and--apparently--better.