ADY201M

According to the study, what characteristics are said to be exhibited by the best data scientists?

According to the study, how do you define data science?

How would you multiply each element in the column df["a"] by 2 and assign it back to the column df["a"?

The data science methodology provides the data scientist with a framework on how to proceed to do what?

How would you access the column "body-style" from the dataframe df?

Which of the following statements about a database is correct?

What is the largest possible element resulting in the operation df.corr()?

What is the result of the following lines of code:a=np.array([1,1,1,1,1])a+10

What is the Pearson Correlation between variables X and Y, if X=Y?

What is an example of a data reduction algorithm?

Fill in the blank: The MAX model-serving microservices expose a _______ that applications use to consume a model.

Select the line of code that imports the module required for polynomial features

What is the function of a primary key?

Which statement best describes the Modeling Stage of the data science methodology?

Scikit-learn is used for?

What is the minimum possible value of Pearson's Correlation?

The Data Understanding stage encompasses what?

A training set is used for what?

In what stage would you correct invalid values and address outliers?

How is Walmart reported to have addressed its analytical needs?

The first state of the data science methodology is ___________________.

Which of the following languages can be used for data science?

Which statements are true about Open Source and Free Software? (Select all that apply.)

What stage encompasses all activities related to constructing the dataset?

The final stages of the data science methodology are an iterative cycle between what stages?

Business Understanding is an important stage in the data science methodology because;

Which statement about RStudio is correct?

A type I error is a ____________.

In a SELECT statement, which SQL clause controls how the result set is displayed?

What does the acronym API stand for?

Which of the following can be used in a SELECT statement to restrict a result set?

The SELECT statement is called a query, and the output we get from executing the query is called what?

Support vector machines and neural networks are what type of algorithms?

What is the correct symbol for missing data?

What does the horizontal axis in a scatter plot represent?

How would you replace the missing values in the column "normalized-losses" with the mean of that column?

Which scientific computing library provides data structures and data analysis tools for Python?

We create a polynomial feature as follows "PolynomialFeatures(degree=2)": what is the order of the polynomial?

Which of the following is a correct example of the connect function?

In Python, if you executed name = ‘Lizz’, what would be the output of print(name[0:2])?

Consider the dataframe df: what method provides the summary statistics?

Select the correct statement about the Data Preparation stage.

What value of R^2 (coefficient of determination) indicates your model performs worst?

What is the output of the following code?Cross_val_score(lre, x_data, y_data, cv=2)

Which keyword is used to set a condition for a GROUP BY clause?

What is the function of a WHERE clause in an UPDATE statement?

Which API do you use to connect to a database from Python?

According to the reading, the output of a data-mining exercise largely depends on:

After the data are appropriately processed, transformed, and stored, what is a good starting point for data mining?

Which of the following is NOT a deep learning framework?

The 5 basic SQL commands are…

What is the name of what we want to predict?

In the ibm_db API, what is the commit() method used for?