Современные информационные технологии/3. Программное обеспечение
Serkebayeva L.T
A.Baitursynov Kostanai State University, Kazakhstan
Correlation analysis in the system
Deductor Academic
In Deductor Academic
analyst basic concept is the scenario. A scenario is a sequence of operations
on the data provided in the form of a hierarchical tree. In the tree, each
operation forms a node whose title contains the name of the data source name
used processing method used in this field, and so on. Creating a new node
import by using the Import Wizard. To import any node can add a node
processing. It all handlers grouped into the following four categories:
- data cleaning;
- data transformation;
- Data mining;
- other
Consider the use of
a tool "Correlation analysis" of the "Clear Data".
1.
Using the Import Wizard (F6), will make a raw data into a text file
2. Run the wizard
processing (F7), choose Tools "Correlation Analysis"
3.
In step 2 of 7 define the type of unit, and the assignment of input and
output data. For our example the input
data are course attendance student interest in learning, the presence of the
grant. Output information is
student achievement. Push on.
4. In step 3 of the 7
parameters are determined correlation calculation. Choose the Pearson correlation coefficient. Рush
on.
5.
In step 4 of 7 press "Start" button to start the process. Upon
successful completion, click on.
6. In Step 5 of 7
select significant and insignificant factors exclude or leave everything
unchanged. Push on.
7. In step 6 of 7 defines how data is displayed. Choosing a
correlation matrix and a table. Push on.
8. In step 7 of 7
system displays a message about the successful completion of the test. Click on Finish and see the result.
Analyze the results presented no
difficulty: in the "input field" displays all the influencing factors
in the "correlation with output fields" name of the final factor and
pair correlation coefficients. As you can see, there is the most intimate
connection between such pairs as performance-rate performance-attendance. The
result is weakly dependent on factors such as interest in learning and the
availability of grant.
Literature:
1.
http://www.basegroup.ru – технологии
анализа данных
2.
Паклин Н.Б., Орешков
В.И. - Бизнес-аналитика: от данных к знаниям. Издательство «Питер», 2013., 706
с.