In preparing categorical variables for analysis, it is usually best to Select one:

a. convert the categories to numeric representations
b. convert the categories to binary dummy variables
c. combine as many tegories as possible
d. check if they are significant

In the context of it jobs in the information systems field. a is responsible for database design and implementation

Answer the following questions regarding your system by using the commands listed in this chapter. for each question, write the command you used to obtain the answer. a. what are the total number of inodes in the root filesystem? how many are currently utilized? how many are available for use? b. what filesystems are currently mounted on your system? c. what filesystems are available to be mounted on your system? d. what filesystems will be automatically mounted at boot time?

How many types of string types does python support?