?A form's current title can be edited or replaced to make the form's purpose clearer.
Answer the following statement true (T) or false (F)
True
To make a form's purpose clearer, you can edit or replace the form's current title. For example, you can make text bold, italic, and underlined; change the font, font color, and font size; and change the alignment of text. See 19-2: Modifying a Form's Design in Layout View
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What is the proper way to declare a vector of strings named names?
a. vector strings names;
b. vector
Consider the data set shown in Table 7.8. The first attribute is continuous, while the remaining two attributes are asymmetric binary. A rule is consid- ered to be strong if its support exceeds 15% and its confidence exceeds 60%. The data given in Table 7.8 supports the following two strong rules:
(i) {(1 ? A ? 2), B = 1}?{C = 1}
(ii) {(5 ? A ? 8), B = 1}?{C = 1}
(a) Compute the support and confidence for both rules(b) To find the rules using the traditional Apriori algorithm, we need to
discretize the continuous attribute A. Suppose we apply the equal width
binning approach to discretize the data, with bin-width = 2, 3, 4. For
each bin-width, state whether the above two rules are discovered by
the Apriori algorithm. (Note that the rules may not be in the same
exact form as before because it may contain wider or narrower intervals
for A.) For each rule that corresponds to one of the above two rules,
compute its support and confidence.
(c) Comment on the effectiveness of using the equal width approach for
classifying the above data set. Is there a bin-width that allows you to find both rules satisfactorily? If not, what alternative approach can you
take to ensure that you will find both rules?
What does it mean when you cast the value of a variable?
A. You change it into a different variable. B. You change the name of the variable. C. You change the data type of the variable. D. You change the value of the variable.
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