DY0-001 試験問題を無料オンラインアクセス

Which of the following is a classic example of a constrained optimization problem?

• A.Calculating gradient descent
• B.The cold start problem
• C.Calculating local maximum
• D.The traveling salesman

Given the following:

Which of the following time series models best represents this process?

• A.SARIMA(1, 1, 1) x (1, 1, 1)1
• B.ARMA(1,1)
• C.ARIMA(1,1,1)
• D.AR(1)

A data scientist wants to digitize historical hard copies of documents. Which of the following is the best method for this task?

• A.Latent semantic analysis
• B.Word2vec
• C.Optical character recognition
• D.Semantic segmentation

A movie production company would like to find the actors appearing in its top movies using data from the tables below. The resulting data must show all movies in Table 1, enriched with actors listed in Table 2.

Which of the following query operations achieves the desired data set?

• A.Perform an INTERSECT between Table 1 using column Movie, and Table 2 using column Acted_In.
• B.Perform a LEFT JOIN on Table 1 using column Movie, with Table 2 using column Acted_In.
• C.Perform an INNER JOIN between Table 1 using column Movie, and Table 2 using column Acted_In.
• D.Perform a UNION between Table 1 using column Movie, and Table 2 using column Acted_In.

Which of the following is the naive assumption in Bayes' rule?

• A.Homoskedasticity
• B.Uniform distribution
• C.Independence
• D.Normal distribution