Suppose a user has typed the following command, where mdata is a variable to which the user's data is stored. head(mdata)

Data science is used in which of the following industries? (i) Financial services (ii) Digital advertisements (iii) Healthcare (iv) Image recognition

What is the function of the following R command? dataframename.colnames <— namesfdataframename)

Which of the following clustering algorithms can handle noisy data?

Find the regression equation Of Y on X and the total variation in Y.

Which of the following statements is correct about the query-driven approach of data warehousing?

Which of the given options will be the output of the following code when it is executed in R? var <— c(8.4.NA.12) mean(var, na.rm=TRUE)

In data mining, which of the following options correctly def‌ines Precision, which is used for assessing the quality of text retrieval?

Which of the following advanced statistics techniques is used for identifying latent variables that form groups?

Which of the following is the default value of the parameter HISTORICAL_MODEL_GAP used in Microsoft time series algorithm?

In data mining, which of the following options is correct about the F-score measure for text retrieval?