IBMSPSSMPRO 試験問題を無料オンラインアクセス

Consider the Filer node where age of respondent is stored as a string. What operations will the replace with: expression accomplishes?

• A.The expression is not a valid operation.
• B.Converts numeric values to integers and converts non-numeric values to $null$ value.
• C.Users @ FIELD to create a new field.
• D.Converts numeric values to integers and leaves the non-numeric as is.

Assume that you have the field A, B, C, and D and you wish to find the sum of values even if there are $null$ missing values in one or more fields.
Which expression would accomplish this task?

• A.sum_n( [A, B, C, D])
• B.to_real (A)+ to_real (B)+ to_real (C)+ to_real (D)
• C.A+B+C+D
• D.sum_n(A B C D})

Examine the Matrix table shown below which relates the field churn (whether a customer will churn) to age cat (age groups).

Based on the table, which statements are accurate? (Select all that apply)

• A.Measured by Chi-square is a weak relationship.
• B.Older age groups are less likely to churn than the younger ages.
• C.1.768% of those that churn are over 65 years of age.
• D.42.283% of the 18-24 year old will churn.

Which stage of the CRISP-DM (Cross Standard Process for Data Mining) methodology is the most time consuming?

• A.Data Preparation
• B.Evaluation
• C.Business Understanding
• D.Modeling

Which of the following is the biggest advantage of using a data cache?

• A.Applying modifications to new data more easily
• B.Creating reports or doing other analyses with other software
• C.Integrating the modified data with the original data source
• D.Using the prepared data file more efficiently