You may have noticed that many media outlets are illustrating the tragic course of the coronavirus (COVID-19) pandemic by employing charts with log scales. These log values refer of course to the mathematical concept of logarithms. This is something that most of us learn about in school when we are taught that a logarithm is …
IBM SPSS Modeler supports Python scripting using Jython, a Java[tm] implementation of the Python language. Modeler versions 16 and 17 use Jython 2.5.1 which includes a number of useful and popular modules. However, many other modules are available and customers often want to use their own so a frequent question is how to include them. There …
Adding New Modules To Jython Scripting In IBM SPSS Modeler Read More »
Most SPSS Modeler scripts include code that locates an existing node e.g.: stream = modeler.script.stream() typenode = stream.findByType(“type”, None) However, some scripts need to search for all nodes – maybe by node type but also matching some other criteria. The Modeler scripting API documentation (PDF) mentions a findAll() function: d.findAll(filter, recursive): Collection filter (NodeFilter) : the node filter recursive …
Using the find all() Function to search for nodes Read More »
This infographic provides an overview of the four main families of approaches to predictive analytics. Prediction encompasses applications that aim to estimate or predict the values of a key target field. Segmentation refers to techniques such as cluster analysis which attempt to find the most ‘naturally occurring” groups within a dataset. Association modelling discovers groups …
An overview of the four main approaches to predictive analytics Read More »
There are a number of configuration settings associated with IBM SPSS Modeler Server that control its behaviour. The default settings aim to ensure that stream execution will complete successfully even if the host machine is being used by a number of other applications i.e. Modeler Server is trying to be a “good citizen”. However, if …
Using SPSS Modeler’s cache_compression setting to speed up your modelling Read More »
Gertrude Sai is Quantitative Manager, Evidence and Insights, at Girl Effect. Lorna: Can you start off by telling me a bit about your background and how you came to be where you are now? Gertrude: Yes, sure. My background is quite varied but mainly analytical. My degree in Psychology was definitely centered around statistics and …
Expert insight: Gertrude Sai, Quantitative Manager, Girl Effect Read More »
Lorna: Can you start by telling me something about how you came to be working with statistics and data? Hanna: I’ve always been interested in the psychology of why people do things and that led me to studying psychology at A-level, for my undergraduate degree and for my masters as well. Whilst doing my undergraduate …
Expert insight: Hanna Adeyinka, Customer Researcher, Hyde Housing Read More »
Inna Yordanova is Senior Researcher at IPSE – the Association of Independent Professionals and the Self-Employed. IPSE is the largest organisation representing freelancers and self-employed people. Its 78,000 members are freelancers, contractors, consultants and other self-employed people from all sectors of the economy. Lorna: Can you start off then just by telling me a little …
Expert insight: Inna Yordanova, Senior Researcher at IPSE Read More »
The good news is, it is a product that is still very much alive and in development, albeit it has had a long history of ownership and name changes! Back in the mists of time Data Collection Reports for Surveys was a staple component of the SPSS Market Research suite of tools. When the company …
What ever happened to Data Collection Reports for Surveys? Read More »
Through independent research, evaluation and strategic consulting support, SBD Automotive helps vehicle manufacturers and their partners create autonomous, more secure and better connected cars. Adam O’Shaughnessy is a Senior Specialist – Connected Car. Lorna: Can you tell me a little bit about your background and how you’ve come to be working with data and statistics …
Expert insight – Adam O’Shaughnessy, SBD Automotive Read More »