Campaign Manager - Campaign Manager (Silverlight)
Analyzing The ResultsRunning the model will first generate columns for all the different variables selected, building bands where appropriate. The tool will then work out which columns are related and ignore columns that are extraneous. For example, if you selected ' Age' and ' Date of Birth' columns then one of these will be ignored by the model. It will then build a sample set of data out of the whole database based on the specified sample size. If the sample size is 5,000 then it will take that number of people from the target group and the same number of people from the prospect pool. These records will then be used to build the model using a technique that gives coverage of all the selected variables to ensure that significant attributes that are only lightly represented are given the precedence that they deserve. Traditional random sampling methods may sample out too many of these significant attributes to make them statistically useful. A progress window will be displayed as the job processes, and once complete, results will be available under the following drop-down headings: Coefficients and Ignored ColumnsCoefficients and Ignored Columns allow you to further analyze the results generated after processing a model using the Predict Inclusion tool. Running the model first generates the derivable columns from all the selected predictor variables, and builds bands where appropriate, for example, Age bands. The tool then works out which columns are related and ignore columns that are extraneous. For example, if 'Age' and 'Date of Birth' columns are selected, one of them will be ignored by the model. The Tool then builds a 2,500 row group for target (AND universe) domain data and another 2,500 row group for non-target (AND universe) domain data. The records are used to build the model using a technique that covers all the selected variables, to ensure that significant attributes that are only lightly represented are given the precedence they deserve. Traditional random sampling methods may sample out too many of these significant attributes to make them statistically useful. A progress window is displayed as the job processes, and once complete, results are available under the Coefficients and Ignored Columns drop-down headings. CoefficientsCoefficients show each of the selected variables ranked by their significance, along with their individual model score, probability value and ZScore. The coefficient data for a value shows if it has a positive or negative influence on the result and how strong that influence is. The ZScore indicates how different the sample mean is compared to population mean - either above or below - and is measured in standard deviations. The phi coefficient is a measure of the degree of association between the target and predictor variables.
Ignored ColumnsBelow is a snapshot of the columns that were ignored for this iteration of the model with the reason they were ignored:
Use Ignored Columns to help you identify columns that could be removed, or perhaps indicate that not enough data was supplied. Gains CHart and Confusion MatrixShows a graph with three colored lines displaying the results of the model as follows:
Hover your mouse over the red dot and a screen will be displayed that shows detailed information about this optimal intersection.
Gain at topThe % improvement between the modelled sample and the random sample at the optimal point on the graph. ScoreThe actual model score for people at this point. % of TargetThe % proportion of people from the target group that have been included at this point. In TargetThe actual number of people from the target group that have been included at this point. ProportionThe proportion of records that were in the segment compared to the total number of records that the model predicted would be in the segment. In the example above it would be 8,057 as a proportion of (8,057 + 38,720) which in this case is 16.7%. ConfusionA matrix showing the overall success of the model by comparing the actual sample of people that were included in the model with the sample that the model predicted. The intersections are as follows:
The key figure in this illustration are the 52,351 people that have not yet purchased the product, but which the model predicts are most likely to purchase it because they are most like the people in the target segment according to the modelled attributes. EngineAn Engine column is created containing the propensity value for each target record. You can select this key group of people in a segment by selecting all people with an index greater than 0.465, and then adding an exclude statement of people that have already purchased the product. |
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