To get the first insight from the data we use graphs. Dot, bar, histogram, box (which also known as box and whisker plot), and scatter plots are very useful plot types. Let us look at the table below to know which graph is suitable for what type of variable. Table 1 Common graphs by variable […]
Data manipulation is half of the analysis. Data manipulation means editing the data such as sorting, recoding the existing variables into new, adding labels to the data, inserting the new data, changing a specific value and many others. Some people do the data manipulation in Excel and then reopen it in SPSS for analysis. This […]
SPSS can read different types of data file such as SPSS file(*.sav), comma-delimited(*.csv), Excel spreadsheet (*.xlsx), text file(*.txt) etc. Opening data in SPSS is easy if the data is in *.sav format however for formats it is a bit tricky. Keep clicking the following menus: File – Open – Data Command 1 Then a […]
IBM SPSS Statistics is a handy and powerful statistical software which allows you to quickly analyse your data using simple point-and-click interface. That means you can find an option to click from a drop-down menu for a statistical analysis technique you would like to perform. For example, to calculate the mean and standard deviation or […]
Dr Mo Bahezi is a professional Biostatistician,