WHEN TWO DIMENSIONS ARE NOT ENOUGH: THE MULTIDIMENSIONAL SCATTERPLOT IN PS IMAGO PRO
By PRZEMYSŁAW SOLECKI (Predictive Solutions) A scatterplot, or scatter graph, is a popular diagnostic tool for associations between quantitative variables. It is invaluable in correlation analysis for readily assessing the nature and the shape of the relationship...
SWIFT PREDICTIVE ANALYSIS : AUTOMATION IN LINEAR MODELLING
By (Predictive Solutions) This procedure is intended to make life easier for those who work on large datasets and want to use regression models. Automatic linear models lack many advanced settings and options for model exploration that can be found in other regression...
5 Statistics that move the world this week
The right statistic is often worth a thousand words—and sometimes much more than that. These five data points (some of them already a little older) provide a glimpse into global enviromental issues, trends and stats you would have never thought possible. Some are well...
Deciding to remove an item from the scale
by ANNA HUCULAK (Predictive Solutions) SOMETIMES INSTEAD OF ASKING A SINGLE QUESTION IN A SURVEY, WE ASK A WHOLE SET OF QUESTIONS, WHICH ARE INTENDED TO BE USED LATER TO BUILD A SCALE. Individual questions from the survey are called scale items. To make sure that the...
BUILDING SCORING PROCESSES IN THE API ERA: WHEN, HOW MUCH AND WHAT FLEXIBILITY DO WE NEED?
By M.GIERCZAK and P. BUDZEWSKI (Predictive Solutions) Scoring processes pose many challenges not least that of process flexibility, namely performing the right procedures at the right time and in cooperation with the right systems. We can rarely be completely...
INTEGRATING BUSINESS INTELLIGENCE WITH DATA SCIENCE: PS IMAGO PRO AND PS CLEMENTINE PRO
By M.GIERCZAK and P. BUDZEWSKI (Predictive Solutions) A COMPLEX KNOWLEDGE MANAGEMENT SYSTEM REQUIRES INTEGRATION, NAMELY THE INTEGRATION OF MULTIPLE AND DIVERSE PROCESSES, AND THE INTEGRATION OF THE TOOLS RESPONSIBLE FOR THOSE PROCESSES. IN PRACTICE, HOW CAN WE CREATE...
PYTHON IN PS CLEMENTINE PRO
By M.GIERCZAK and P. BUDZEWSKI (Predictive Solutions) OVER THE YEARS, IBM SPSS MODELER® (FORMERLY CLEMENTINE) EARNED THE REPUTATION OF BEING THE MODEL OPEN ENVIRONMENT ACROSS DATA MINING PLATFORMS. Its creators were conscious of two things: that they should not create...
DESIGNING A QUESTIONNAIRE: HOW TO CONVERT THE CONTENT OF A SURVEY INTO DIGITAL FORM
By Damian Zboriowski (Predictive Solutions) "The data collection system must support the researcher at every stage of the project." However, before systemic support can begin, it is imperative to complete the planning phase, which includes stages such as: preparation...
Earth Day 2021 – your digital carbon footprint
Our planet is an amazing place, but it needs our help to thrive! That’s why each year on April 22, more than a billion people celebrate Earth Day to protect the planet. By taking part in simple activities like picking up litter and planting trees, we’re making our...
Why I moved away from Microsoft Exchange 365
The reason why I moved away from Microsoft Exchange 365Microsoft Office 365 is doing a great job for our daily communication with customers and colleagues, and so we used it also for our cloud system SurveyTester for sending typical emails to users. SurveyTester sends...