Which of the following factors is responsible for the occurrence of sampling errors?

In data mining, which of the following is the correct syntax for defining recall, which is used to assess the quality of text retrieval?

Which of the following is the correct R syntax used for selecting certain rows from a data frame, based on specif‌ic logical criteria?

In survival analysis, which of the following methods is used to model the hazard function on a set of predictor variables?

Which of the following is a descriptive function involved in data mining?

Which of the following statements is NOT correct about data science?

What will be the output of the following code of the R programming language? b1 <- 17 b2 <- 13 z <— 5:7 print(b1 96in96 z) print(b2 %in% z)

Which of the matrices given in figure-2 is the reduced row echelon form of the matrix given in figure-1 of the image?

What is the rank of the matrix shown in the image?

In the given image, which matrix is in the row echelon form?

In advanced statistics, which of the following statements is correct about the Dirichlet Regression method?