P CAIC 1 10-12 part 1 Flashcards
(18 cards)
What is the purpose of the empty notebook in Chapter 9?
The empty notebook is used to explore data and build models.
What is the section next to 1 called in the notebook?
It is called a cell, where code is entered.
How do you run code in a cell?
You click on the button on the toolbar.
How do you add a new cell in the notebook?
You click on the + button on the toolbar.
What has the highest contribution to evaluation?
Memory has the highest contribution, followed by storage.
What can OLS be used for?
OLS can estimate the importance of each product feature.
What is the purpose of the Python package mentioned in Chapter 10?
It is for data analysis and data manipulation.
What does the library in Chapter 10 support?
It adds support for large, multi-dimensional arrays and matrices.
What is the purpose of the Python package that complements scipy?
It provides functions for statistical computations and model estimation.
What variables are included in the data from Chapter 11?
The data includes identifiers for sellers, items, and boolean variables for weekends and school breaks.
What command is used to run a descriptive statistical analysis?
data.drop([‘ITEM_ID’], axis=1).describe()
What does the command in Chapter 11 do?
It removes duplicates from the seller, item ID, and item name data.
What can be observed from the pair plot in Chapter 11?
It shows the distribution of values and relationships between variables.
What does the Seaborn histogram plot analyze?
It explores the relationship between price and the CAT variable.
What is the purpose of the function in Chapter 11?
It packs model creation, determines price elasticity, and returns the model.
What does the code for burger_2752 do?
It isolates data for a specific item to analyze price versus demand.
What is indicated by a negative price elasticity?
If the price goes up, fewer units will be sold.
What is product recommendation?
It is a filtering system that anticipates and presents goods a user may be interested in buying.
