What is the expected run time for a push operation on a stack? O O(nlogn) O(1) O O(n?) O(n) O Ollogn)

Please detail the processes involved in converting and switching over the data.

Describe the use of a data dictionary and the information it contains.

Customer ID 123 4 5 6 7 8 9 10 Items of transaction {A,B,E,D}{A,C,D,E}{D,E,A} {E,B,A,C} {B,B,E} {A,E,B} {E,D,E,C} {D,C} {B,D,E} {C,D,E,A} (a)  Use the table shown to compute the support for the itemsets {B,D} and {B,C,E}. (b)  Use the results in part (a) to compute the confidence for the association rules {b,d} {e} (c) How many itemsets can be generated from these items(d) How many association rules can be generated from the itemset {A,B,C,D,E,F}?

(a) A school is conducting a survey of students to learn more about how they get to school. Students were asked how they travel to school, how long it takes them to get to school, what time they arrive at school, and for a description of their most significant challenges when traveling to school. Several rows of the data collected are shown in the table below. Student ID How Travel How Long Time Arrive Biggest Challenges 738192 Car 10 minutes 7:30 am None 781401 Car 20 minutes 7:45 am 72001 Car 5 hours 7:40 am 74012 Bus 10-20 minutes 7:35 am Sister sometimes sleeps in and I miss my bus Walk 1 hour 75441 7:30 am 73109 Walk 20 mins 7:45 am 76120 Bus twenty minutes 7:35 am 73012 Car 15 min 7:20 am Waking up! Which column of data might be able to be visualized or analyzed but first would need to be cleaned? How Travel B Time Arrive (© How Long O Biggest Challenges