Ophthalmic statistics note 12: multivariable or multivariate: what’s in a name?

Ophthalmic statistics note 12: multivariable or multivariate: what's in a name?

Citing this paper Please note that where the full-text provided on King's Research Portal is the Author Accepted Manuscript or Post-Print version this may differ from the final Published version. If citing, it is advised that you check and use the publisher's definitive version for pagination, volume/issue, and date of publication details. And where the final published version is provided on th...

Ophthalmic statistics note 6: effect sizes matter

WHY STATISTICAL SIGNIFICANCE ALONE IS NOT A SUFFICIENT BASIS TO INTERPRET THE FINDINGS OF A STATISTICAL ANALYSIS Medical statistics plays a key role in clinical research by helping to avoid errors of interpretation due to the play of chance. It is, however, critical to understand the limits of what statistical analysis provides and interpret the findings accordingly. Statistical analysis can su...

Ophthalmic statistics note 1: unit of analysis

SCENARIO 1 A senior colleague has conducted a study and asks me to analyse their data. They give me an excel spreadsheet containing 80 observations of intraocular pressure (IOP)—40 of which were made after using drug A and 40 of which were made after using drug B (see table 1). My colleague asks me to find out whether drug A or drug B is better in terms of reducing IOP. I think back to my medic...

Whats in a Country Name - Twitter Hashtag Analysis of #singapore

Twitter as a micro-blogging platform rose to instant fame mainly due to its minimalist features that allow seamless communication between users. As the conversations grew thick and faster, a placeholder feature called as Hashtags became important as it captured the themes behind the tweets. Prior studies have investigated the conversation dynamics, interplay with other media platforms and commu...

Multifarious terminology: multivariable or multivariate? univariable or univariate?