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Instruction of the laboratory work




1.2.1. Input of initial data to the program STATISTICA.

Find the shortcut STATISTICA on the desktop and enter the program.

On the upper panel of STATISTICA choose the function “File”, and in it – the command New” – fig.1.1.

Fig.1.1. Main form window of program STATISTICA when creating the data array

 

After this the task form of working data array, which is created will appear. (Fig.1.2).

To the window “Number of variables” it’s necessary to enter the value of realizations, that will be subjected to statistical analysis (in our case, -6), and in the window Number of cases - number of variables in each sample (in our case - 25 elements). Then press OK and working array of specified format will appear.

Fig.1.2. Forms of window for setting parameters of the working data array

 

After entering the data from the table of options for LW1 (given at the end of the description of LW – tab. 1.1) press the OK button. The data file will be saved.

To specify a unique name for each sample in the dataset rather trivial “Var” it’s necessary:

- On the field of the chosen variable “Var №” in the data array, double click the right mouse button;

- In the form “Variables №” enter to the window “Name” the new name of the variable (f.e., І month) – fig. 1.3.

Fig.1.3. Form for setting attributes of variables working data array

 

To save the file under its original name at the top of the main application form STATISTICA it’s necessary to choose the function “File”, and in it the command “Save аs…” – fig.1.4.

Fig.1.4. The main form window of STATISTICA while performing the procedure of saving the file data

 

Then we introduce selected file name in the appropriate box shape “Save аs…” and specify a location on the disk where it is stored - fig. 1.5.

Fig. 1.5. Form when performing procedures create a data file name and place of storage


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