One of the wonderful things about IBM SPSS Statistics is its ubiquity. I realise that it is not a household name in the way that big consumer brands are, but if you have ever had the need to analyse data, either professionally, in an academic context or in the public realm, the chances are that …
5 reasons why an SPSS subscription makes data science more accessible Read More »
How can a data scientist access training in 2021? 3 trends things to look out for… I have been involved in the delivery and implementation of data science software applications, data science projects and solutions that have advanced and predictive analytics at their core, in one form or another, for almost 30 years. Of course, …
How can a data scientist access training in 2021? 3 trends things to look out for… Read More »
Lorna: Can you just start off by telling me a little bit about yourself, what your background is and how you came to be where you are now? Diana: I’m a psychologist. I did psychology A-Level. That’s where it all started. Then I did an undergraduate course in psychology in London. With psychology, it’s 50% …
A fascinating recent report by MIT Sloan in collaboration with BCG has confirmed what many industry insiders have known for years: only a small minority of companies manage to make their initial AI projects succeed. Based on global survey of more than 3,000 managers and scholars in 29 industries, the report’s authors discovered that only …
In this series of ‘eat your greens‘ posts looking at core statistical concepts in more detail, we have looked closely at what a test of statistical significance actually is. In particular, we have focused on how to interpret the statistical probability value that various tests generate. This value, often labelled ‘P=’, ‘Prob’ or ‘Sig.’ in …
IBM have released a new update to SPSS v27. Interestingly, this is a ‘dot’ release that contains a number of useful functional improvements rather than the usual bug fixes or third-party compatibility enhancements. The new procedures include three additional statistical tests for comparing differences in proportions. These procedures were introduced as syntax only commands in …
Earlier in this series of ‘eat your greens‘ postings I looked at the issue of declaring something to be ‘statistically significant’. The purpose of that post was to highlight the fact that not all statistical results are worthy of being regarded as ‘eureka!’ moments just because the findings are unlikely to have occurred due to …
This is the latest in our ‘eat your greens’ series – a back to basics look at core statistical concepts that are often misunderstood or misapplied. In everyday speech the term ‘correlation’ refers to a mutual connection or relationship between two things. In statistics correlations are specific measures or values that attempt to quantify the …
Spreadsheets have been much in the news over the last couple of days in the UK, and not for good reasons. It looks as though Excel’s limit on the number of rows of data possible in a spreadsheet has led to Public Health England misplacing more than 16,000 Covid test results. The implications of this …
This is the fifth post in our ‘eat your greens’ series – a back to basics look at some of the core concepts of statistics and analytics that, in our experience, are frequently misunderstood or misapplied. In this post we’ll look in more depth at the concept of the standard error and confidence intervals. In …
The gateway to inference – the standard error and confidence intervals Read More »
