Mixed symbol instance sets are created using the ____________________ tool.
Fill in the blank(s) with the appropriate word(s).
Symbol Sprayer
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You may define a(n) ________ in the initialization expression of a for loop.
A) new data type B) new keyword C) constant D) variable E) operator
If you want to specify a precise column width, use the Column Width ____.
A. wizard B. task pane C. status bar D. dialog box
An opening in a computer tower used for the installation of equipment such as a hard drive is called a port.
a. true b. false
Prove that if the confidence of the rule {a} ?? {b} is less than the support of {b}, then: i. c({a} ?? {b}) > c({a} ?? {b}), ii. c({a} ?? {b}) > s({b}), where c(·) denote the rule confidence and s(·) denote the support of an itemset.
Suppose we have market basket data consisting of 100 transactions and 20 items. If the support for item a is 25%, the support for item b is 90% and the support for itemset {a, b} is 20%. Let the support and confidence thresholds be 10% and 60%, respectively.