A first look at SPSS Modeler v18.2

In this video Jarlath Quinn takes a first look at SPSS Modeler v18.2 and demonstrates some of the new functionality that’s included within this release. IBM® SPSS® Modeler adds the following features in this release. New look and feel. A new modern interface theme is available via Tools > User Options > Display. For instructions on switching to the new theme. New data views. You can now right-click a data node and select View Data to examine and refine your data in new ways with advanced data visualizations. IBM Data Warehouse. Database modeling with IBM Netezza Analytics now supports IBM Data Warehouse. Gaussian Mixture node. A new Gaussian Mixture node is available on […]

How to get the most out of your SPSS Statistics free trial

Smart Vision offer a free copy of SPSS Statistics that will give you access to the software for a trial period of two weeks. This video will talk you through how to download and install the software before providing a series of examples of procedures that you might want to try out yourself in order to explore SPSS. You should be aware that the trial software includes all of the SPSS Statistics optional add on modules and you can find out more about these modules and see a two minute overview of each one elsewhere on this site. Once installed […]

Step beyond spreadsheets webinar recording

If you’ve been thinking about how your organisation could benefit from predictive analytics then this webinar shows you how easy it is to get started with IBM SPSS Statistics. During the session we will walk you through the three key areas that will enable you to make truly effective use of this powerful analytical software: Reading and formatting data Transforming and manipulating data Effective analysis and deployment of results Watch this webinar and you will learn: How you can read data from databases and spreadsheets into IBM SPSS Statistics How you format the data correctly so that you don’t have […]

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How to change the appearance of your output in SPSS Statistics

We’re often asked how you can change the appearance of the tables that SPSS generates as output. In this video Jarlath Quinn demonstrates two different ways to do this, either by choosing a different table look in the edit / options function, or by editing the table properties directly yourself.

How to merge files in SPSS Statistics

In this video Jarlath Quinn demonstrates how to merge data files within SPSS Statistics using each of the two main methods, either adding cases (combining files with the same fields but additional rows) or adding variables (combining files by joining variables to a target file using something like an ID field as a ‘keyed variable’).

How to create grouped or banded variables in SPSS Statistics

SPSS users often want to be able to create grouped or banded data from continuous fields such as, for example, creating age groups or income bands from continuous fields. In this video Jarlath Quinn demonstrates how to use the visual binning procedure within SPSS Statistics to do this including how to control the proportion of cases that fall into each band and how to automatically create value labels.

How to recode your data in SPSS Statistics

Recoding your data means changing the values of a variable so that they represent something else. Within SPSS Statistics there is more than one type of recode that can be performed. In this video Jarlath Quinn demonstrates how to:- Recode into the same variables, overwriting an existing variable Recode into different variables, creating a new variable in addition to your existing variables Automatically recode, a particular procedure designed to change string codes into numeric codes Visual binning, visualising a distribution in the form of a histogram and slicing it into ranged categories

How to check your data for normality in SPSS Statistics

When you’re deciding which tests to run on your data it’s important to understand whether your data is normally distributed or not, as a lot of standard parametrical tests assume a normal distribution whereas other non-parametric tests are designed to be run on data which is not normally distributed. A normal distribution has a number of characteristics:- It is symmetrical It is bell-shaped Its mean, median and mode all appear at the same place Normal distributions can be divided up into the same proportions by the standard deviations, so 95% of the area under the curve lies within roughly plus […]

How to calculate with dates in SPSS Statistics

In this video Jarlath Quinn demonstrates how to work with date and time variables in SPSS using the SPSS date and time wizard. This enables you to:- Calculate time units between two dates Add / subtract time units to or from dates Extract part of a date or a time, such as days of the week or months of the year Create date or time variables from variables holding part of dates or times

How to select cases in SPSS Statistics

In this video Jarlath Quinn demonstrates how to use SPSS Statistics to define data filters in order to select particular cases for analysis. This can be done either to create a temporary selection or to create a permanent new file with only a subsection of cases included within it. The video demonstrates how to do this with string variables too, as well as how to combine conditions from multiple variables in your selection.

How to reverse a scale in SPSS Statistics

In this video Jarlath Quinn demonstrates how to reverse the values of a rating scale (such as an agreement scale or a satisfaction scale) in SPSS Statistics, so that the highest value becomes the lowest value and vice versa. Jarlath shows two methods of doing this – one using the compute procedure and the other using the recode procedure.

How to combine variables in SPSS Statistics

SPSS users often want to know how they can combine variables together. In this video Jarlath Quinn demonstrates how to use the compute procedure to calculate the mean of a number of variables to create one combined variable, and also how to use the count values procedure to count how many times a particular value occurs across a series of variables in order to create an overall count.

TURF analysis with SPSS Statistics

In this video Jarlath Quinn introduces the popular TURF analysis technique and demonstrates how to apply it in IBM SPSS Statistics. TURF analysis is used in many industries to find the optimal sub-group of options from a wider portfolio in order to maximise their appeal to an audience or market. As such, TURF analysis is used to: Find the best assortment of SKU’s that appeal to the largest group of customers Identify the best 3 publications to reach the largest share of market Discover the optimal assortment of services to entice the most new clients Note, TURF analysis functionality is […]

Cluster Analysis with IBM SPSS Statistics

In this video Jarlath Quinn explains what cluster analysis is, how it is applied in the real world and how easy it is create your own cluster analysis models in SPSS Statistics. The video includes: A demonstration of cluster analysis using sample data How to use the cluster viewer facility to interpret and make sense of the analysis results How to apply a cluster model to a data file and rename the groups to make them meaningful to non-experts How use cluster analysis to illustrate how a customer base changes over time  

Introduction to the filter node in SPSS Modeler

This is the third in a regular series of videos about SPSS Modeler, designed to help you better understand some of the functions that are available within the package. If you’re an experienced user or you have been on one of our training courses then you’ll probably already be familiar with most of these, but if you’re a new user, you’re self-taught, or you’re currently evaluating the software then there’s likely to be a number of things in these videos that you’ll find helpful. Sometimes you may have problems with your data issues not related so much to the values of […]

How to work with variable sets in SPSS Statistics

This series of videos aims to help you get the best out of SPSS Statistics by using some tools and techniques that a lot of people don’t know about but that we know you’ll find useful. Working with variable sets in SPSS Statistics In this video we explore variable sets – a procedure in SPSS that allows you to generate subsets of variables or fields for display within dialogue boxes and in the data editor itself. This is particularly useful if you are working with a very wide dataset with lots of variables making it very hard to find the […]

Introduction to the generate menu in SPSS Modeler

This is the second in a regular series of videos about SPSS Modeler, designed to help you better understand some of the functions that are available within the package. If you’re an experienced user or you have been on one of our training courses then you’ll probably already be familiar with most of these, but if you’re a new user, you’re self-taught, or you’re currently evaluating the software then there’s likely to be a number of things in these videos that you’ll find helpful. SPSS Modeler generate menu – the super-quick way to create new fields   If you watched the previous […]

Introduction to linear regression

In classical statistics, linear regression is regarded as  the ‘gateway to predictive modelling’. For decades students have been taught about regression from theory to practice simply because it still one of the most versatile and simple ways to understand and predict the effect of key factors on critical outcomes.   For instance, using regression you can: Estimate and predict outcomes such as revenue from sales, machine repair costs, traffic volumes or asset failure rates Predict what effect a change in advertising spend or price will have on your sales Understand the relative strength of different factors that influence your sales – […]

How to change the defaults in SPSS Statistics

This series of videos aims to help you get the best out of SPSS Statistics by using some tools and techniques that a lot of people don’t know about but that we know you’ll find useful. Changing the default settings of SPSS Statistics SPSS enables quite a high level of customisation so you can set up the software in a way that enables you to be a lot more productive, however many people are unaware of just how powerful these customisation options are. In this video we explore the options edit menu and show you how you can:- Change the […]

Introduction to the data audit node in SPSS Modeler

This is the first in a regular series of videos about SPSS Modeler, designed to help you better understand some of the functions that are available within the package. If you’re an experienced user or you have been on one of our training courses then you’ll probably already be familiar with most of these, but if you’re a new user, you’re self-taught, or you’re currently evaluating the software then there’s likely to be a number of things in these videos that you’ll find helpful. SPSS Modeler data audit node – the Swiss army knife of data cleaning   The data […]

Predictive operational analytics part 1

In this four part series Jarlath Quinn demonstrates Smart Vision’s new Repeatable Application Template,  Predictive Operational Analytics. This Application Template combines market leading predictive analytical software, ready to use application templates and a fully supported professional services package to ensure rapid and effective implementation and deployment. Using IBM’s flagship data science tool, SPSS Modeler, Jarlath works through a case study example where a telecoms maintenance company applied the template in order to: 1) Apply sophisticated text mining to error messages and engineer logs 2) Develop a predictive model that identified whether or not a maintenance task would result is an […]

Predictive operational analytics part 2 – SPSS Modeler demo

In part two of our predictive operational analytics video series, Jarlath Quinn introduces the IBM SPSS Modeler Software before showing how to explore the example data from the case study and carry out text analytics of engineer logs to categorise the information and create key fields for further analysis. Watch part three of this series.

Predictive operational analytics part 3 – predictive part replacement

In part 3 of this predictive operational analytics guide Jarlath uses the results from the previous analysis stage to show how to build and assess a predictive model that identifies whether or not a part replacement will be required during a maintenance visit. We also see how to apply the model to new data so that predictions can be generated before the engineer is dispatched. Watch part four of this series.

Predictive operational analytics part 4 – predicting task outcomes

In this final part of our predictive operational analytics video series Jarlath shows how we can use the predictive technology to go further by predicting the actual outcome of the visit including which part is likely to require replacement. In the final example we see how to build a model that predicts whether or not a site will require another unscheduled visit within 20 days.

Predictive promoter part 1 – introducing predictive promoter scoring

This video introduces Smart Vision’s Predictive Promoter solution and shows how data science can be applied to net promoter scoring to help you gain a much deeper understanding of the factors driving your customer recommendation ratings and how you can take action to influence them influence them. Jarlath provides a brief history of the concept of net promoter score before introducing the case study whereby Predictive Promoter was applied to data from the guests of a major hotel chain. The hotel chain’s management team wanted to address three key questions: Understand what transactional and operational factors are most strongly related to the […]

Predictive promoter part 2 – building a net promoter score predictive model

In this video Jarlath shows how to automatically produce a model that predicts customer’s recommendation scores based upon transactional and operational data. We can also see how we can evaluate the model accuracy and browse its contents to uncover what are the key fields in the transactional and operational data that the model has chosen to make its predictions before finally examining the rules that the model has uncovered to estimate the guest’s recommendation class.

Predictive promoter part 3 – scoring with a net promoter score model

In this video Jarlath shows how easy it is to take a previously built model that has been generated based on known outcomes and apply it to customer data where the outcome is not known. Using the results from part 2 of this series, Jarlath applies the model to the hundreds of guests who have not provided a recommendation rating so that the hotel chain can estimate whether they are Detractors, Passives or Promoters. At the end of the video we see how the solution was able to identify what the hotel management referred to as ‘Persuadables’ – these were […]

Predictive promoter part 4 – text mining and conclusions

In this final part of  our predictive promoter video series, Jarlath Quinn tackles the project’s most ambitious task: mining the open-ended guest comments to uncover important insights. Here you can discover how we can use text analytics to extract a series of concepts and sentiments from customer comments in order to categorise the guests’ responses. By visualizing the relationships between these key concepts we are able to see what aspects of the guests experiences are most strongly correlated with positive evaluations. Moreover, by categorising the responses we are able to use the text data to build a model that reveals the […]

What If Analysis using IBM SPSS Modeler Premium

In this short video Jarlath Quinn demonstrates how to use the powerful simulation tools within IBM SPSS Modeler to perform What If analysis (also known as ‘Scenario Planning’). What if analysis allows business-focused analysts to go beyond simple predictive modelling to evaluate the impact of different choices and scenarios on predicted outcomes. This sophisticated, yet easy-to-use functionality allows successful organisations to find the optimal price point, discount, campaign creative or resource allocation to maximise opportunity and minimise risk.  

Predicting asset failure using IBM SPSS Modeler

Predicting asset failure before it happens is possible using IBM SPSS Modeler. This video shows you how organisations with substantial capital assets can use IBM SPSS Modeler to predict when asset failure is most likely. Predicting asset failure can prevent problems before they happen and enables organisations to save money, reduce asset downtime and increase efficiency.