Latent Variable Modelling And The Chi Squared Exact Fit Statistic

Latent variable modelling and the chi squared exact fit statistic Latent variable models are exploratory statistical models used extensively throughout clinical and experimental research in medicine and the life sciences in general. Psychology and neuroscience are two key sub-disciplines where latent variable models are routinely employed to answer a myriad of research questions from the impact of personality traits on…
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Do I need a Biostatistician?

".... half of current published peer-reviewed clinical research papers ... contain at least one statistical error... When just surgical related papers were analysed, 78% were found to contain statistical errors." Peer reviewed published research is the go to source for clinicians and researchers to advance their knowledge on the topic at hand. It also currently the most reliable way available…
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Transforming Skewed Data: How to choose the right transformation for your distribution

​​Innumerable statistical tests exist for application in hypothesis testing based on the shape and nature of the pertinent variable’s distribution. If however the intention is to perform a parametric test - such as ANOVA, Pearson’s correlation or some types of regression - the results of such a test will be more valid if the distribution of the dependent variable(s) approximates…
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Accessing Data Files when Using SAS via Citrix Receiver

 ​A SAS licence can be prohibitively expensive for many use cases. Installing the software can also take up a surprising amount of hard disk space and memory. For this reason many individuals with light or temporary usage needs choose to access a version of SAS which is licenced to their institution and therefore shared across many users. Are you trying…
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