This tutorial will guide you to importing your data in SPSS Software for your data analysis purposes. This video specifically talks about importing the secondary data from excel.
Chapter 1 – Importing data in SPSS Read More »
When you have too many independent variables which are expected to be collinear too, the you have to reduce the number of the variables from the model so that the biasness from multicollinearity is removed. This tutorial provides you demonstration on one of the method which forms subgroups of variables based on their similarity in
Chapter 3 – Structure Detection Using SPSS Read More »
Chi Square test can be used to determine if two variables are dependent or independent to each other.
Chapter 3 – Variable independence test in SPSS Read More »
If dummy variable has k categories then when to use K binomial dummies and when to use K-1 dummies to avoid dummy variable trap.
Chapter 3 – Dummy variable trap in SPSS Read More »
Mann Whitney U test is used to compare the mean of a single variable which has two categories.
Chapter 3 – Mann Whitney U Test for Mean Equality in SPSS Read More »
Wilcoxon test for mean equality is used to compare the means to two variables with equal observations and is normally distributed.
Chapter 3 – Wilcoxon Test for Mean Equality in SPSS Read More »
SPSS Modeler software can be used to create decision trees using diagrams and data. Following video provides illustration.
Chapter 3 – Decision Tree analysis in SPSS modeler Read More »
ROC graph plots the true positives and false positives. It shows the sensitivity and specificity of the data, we locate the point on the line which is nearest to the top left corner of the graph which has highest specificity and sensitivity.
Chapter 3 – Plotting Receiver Operating Characteristic ROC curve in SPSS Read More »
Kolmogorov – Smirnov Test can be used to confirm if the data is normally distributed or not. This test also identifies the presence of outliers. This test also shows the Q – Q plot and Shapiro – Wilk test for normality
Chapter 3 – Kolmogorov-Smirnov Test for Normality in SPSS Read More »
SPSS can be used to calculate the z values / normalized form of the variables. This standardization can be used to fulfill several purposes like comparing different variables with different units with each other.
Chapter 2 – Calculating normalized variable using SPSS Read More »