What collection-type data type is most useful with data values that are heterogeneous and may be processed differently? O record data types O arrays O associative arrays O hashes
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- 1. Class represents a dynamically resizable array-like data structure. a. Stack b. LinkedList с. АrrayList d. Array 2. A(n) is a data structure with a fixed size and can be direct access its elements. a. Vector b. ArrayList c. LinkedList d. Array 3. A(n) is a data structure in which objects are inserted into and removed from the same end. a. LinkedList b. ArrayList c. Stack d. Queue 4. A(n) is a data structure in which objects are inserted into the end and removed from the front. a. LinkedList b. ArrayList c. Stack d. QueueHow does data encapsulation work, and when would you want to utilize it?How is an array stored in main memory? How is a linked list stored in main memory? What are their comparative advantages and disadvantages? Give examples of data that would be best stored as an array and as a linked list.
- Question-1 Python Machine Learning Question For the Iris data Use classification Models to predict the species of the flowers kNN Classifier Desicion Tree Classifier Random Forest Classifier Try different hyperparameters to improve the scores Visualize your results from sklearn.datasets import load_iris dataset_iris = load_iris() dataset_iris.keys() dict_keys(['data', 'target', 'frame', 'target_names', 'DESCR', 'feature_names', 'filename', 'data_module'])____ the number of arrangements of n objects in a given order of the objects r at a time.Are variables well-suited to the processing of data lists? Why do you think that is the case?
- What about predicting the price of a stock 30 days from now? unsupervised ML supervised ML reinforcement learningProblem You want to implement a custom class that mimics the behavior of a common built-in container type, such as a list or dictionary. However, you're not entirely sure what methods need to be implemented to do it.C++ Write a program that will allow a user to enter students into a database. The student information should include full name, student ID, GPA and status. The program should allow delete any student based on student ID. You may not use a vecto or an array only the list function.
- 185e def find(self, key): 186e 187 188 Efficiency: 189 Finds and returns a copy of value in the set that matches key. Use: value = source.find(key) 190 191 192 193 Parameters: 194 key - a partial data element (?) 195 Returns: 196 value - a copy of the full value matching key, otherwise None (?) 197 198 199 200 # your code here 201The stack that based on linked list has Select one: a. No data attributes b. Two data attributes c. One data attribute d. Three data attributesDynamic Array Functions XLOOKUP What is one characteristic of the XLOOKUP) function that makes it so flexible? OPTIONS: It can only take dynamic arrays as input It can be used to lookup data both vertically and horizontally It always returns a matrix of data It takes only one input parameter
