Andrew Haddon Kemp

4 Questions 28 Answers 0 Followers

Questions related from Andrew Haddon Kemp

How to conduct mediation analysis on a variable characterised by zero-inflated count data?

I am presently using the mediation package in R-statistics and am trying to fit the mediator using an ordered probit model. The problem is that I return the following error: "insufficient...

19 March 2015 9,187 3 View

What is the expert consensus on antidepressant withdrawal (discontinuation) syndrome?

A tremendous research effort has gone into better understanding whether or not a particular patient will respond to a particular antidepressant, and predicting response versus non-response to...

08 March 2014 4,171 3 View

Any career researchers out there on contract after contract? How do we go about securing our future and that of our families?

Is it just me or are career researchers facing a dilemma? We love what we do so we stick to it. The disadvantages of course are permanent uncertainty over our future, and constantly writing grants...

27 February 2014 7,522 5 View

Problems associated with using the impact factor?

We all know that the impact factor is problematic, but many of us still use the impact factor to guide us where we should submit our work. The San Francisco Declaration on Research Assessment...

31 January 2014 4,133 27 View