FAQ

Frequently Asked Questions


Is there a charge for using the Trial Tool?

The Trial Tool can be used free of charge. (Internet access and data costs will apply.)


I don't know where to start.

We recommend starting with the "Identifying Mammals" sample data. Download the data here, and load and analyze it using the Trial Tool.


What is the recommended environment?

Device PC only
OS Windows 10, Windows 8.1, macOS
Browser Google Chrome (Latest version)
Input data
size limits
Max rows: 1,000
Max columns: 40
Max file size: 1 MB

Where can I download the sample data?

You can download the sample .csv files from the table below.


Data for Learning Data for Prediction
Identifying Mammals
Sample data
animals_train.csv (11kb) animals_test.csv (1kb)
Discovery of Electoral Factors
Sample data
election_train.csv (102kb) election_test.csv (1kb)
Analysis of COVID-19 Policies
Sample data
COVID_train.csv (193kb) COVID_test_a_increment.csv (4kb)
COVID_test_b_advance.csv (4kb)

Can I change my data and try again from the beginning?

You can try again from the beginning by pressing the "Reset" button on the top right of the browser screen.



What points should I check when modifying the sample data?

Please check the following points.

  • The data for learning is formatted as a comma-separated values (CSV) file.
  • The data for learning is encoded using UTF-8 (recommended) or CP932 characters.
  • The first row contains the names of each column, and there are no duplicate column names.
  • The left-most index column contains the names of each row, and there are no duplicate row names.
  • The right-most column for solution labels contains only "0" or "1" values, and no entries have been omitted.
  • Have you exceeded the following data size limits?
    • Max rows: 1,000
    • Max columns: 40
    • Max file size: 1 MB