7:Give an example to show how to convert Numpy.array type to DataFrame? 8: Give examples to show at least two different ways to select subset of columns from a dataframe data.
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- 8.31 (Text Analysis) The availability of computers with string-manipulation capabilities has re- sulted in some rather interesting approaches to analyzing the writings of great authors. Much atten- tion has been focused on whether William Shakespeare ever lived. Some scholars find substantial evidence that Christopher Marlowe actually penned the masterpieces attributed to Shakespeare. Re- searchers have used computers to find similarities in the writings of these two authors. This exercise examines three methods for analyzing texts with a computer. a) Write a program that reads several lines of text and prints a table indicating the number of occurrences of each letter of the alphabet in the text. For example, the phrase To be, or not to be: that is the question: contains one "a," two “b's," no “c's," and so on. b) Write a program that reads several lines of text and prints a table indicating the number of one-letter words, two-letter words, three-letter words, and so on, appearing in…4: Give an example to show how to convert Numpy.array type to Series? 5: Give an example to show how to convert Dict type to DataFrame? 6: Give an example to show how to convert Series type to DataFrame?Campground reservations, part 3: Available campsites Excellent job! This next one's a little more challenging. Which campsites are available to reserve? We want to be able to quickly find which campsites are available. Can you help us? Given a campgrounds array, return an array with the campsite numbers of all currently unreserved (isReserved === false) campsites. Call the function availableCampsites. Dataset As a reminder, our data looks like this. It's an array with a bunch of campsite objects in it. Here is a small subset of the data to give you an idea: const campgrounds = [ { number: 1, view: "ocean", partySize: 8, isReserved: false }, { number: 5, view: "ocean", partySize: 4, isReserved: false }, { number: 12, view: "ocean", partySize: 4, isReserved: true }, { number: 18, view: "forest", partySize: 4, isReserved: false }, { number: 23, view: "forest", partySize: 4, isReserved: true }, ];
- Please assist with Java coding (Netbeans) Create a two-dimensional array to contain the three different MCSD Marks (JD521, PRG521, and IP521) for six different students. A single array must be used to store the student names (Maxwell, Carl, Gerhard, Paul, James, and Cena).Allow a user to enter in a number, ranging from 1 to 6, which will represent the student position in the table MCSD max. The program can only stop when the user enter a number greater than 6.Printout the student name including the JD521, PRG521, and IP521 max, the total of marks and the average of all marks. Use a condition statement to decide that the student has passed or not (Pass rate is 70).In cell C18 type a VLOOKUP function to find the corresponding letter grade (from column D) for the name in A18. The table array parameter is the same as in B18. Type FALSE for the range lookup parameter. Copy the formula in C18 to C19:C22Notice this formula works correctly for all cells. Range lookup of FALSE means do an exact match on the lookup value whether or not the table array is sorted by its first column. In cell E11, type an IF function that compares the score in B11 with the minimum score to pass in A5. If the comparison value is true, display Pass. Otherwise, display Fail. Copy the formula in E11 to E12:E15. Did you use appropriate absolute and relative references so the formula copied properly? In cell F11, type an IF function that compares the grade in D11 with the letter F (type F). If these two are not equal, display Pass. Otherwise, display Fail. Copy the formula in F11 to F12:F15Array can store values of different datatypes. Select one: O True False
- The index type of an array may be any kind of data. Do you believe this to be true?1. Create a 2D char array called grades, to save the grades for three students for five courses (size 3 by 5). Write the nested for loop to initialize the first row with ‘A’, second row ‘B’, and third-row ‘C’. 2. Say the second student got C for the fifth course. The third student got an A for the first course. Make the changes to the above array. 3. Print out the array elements in the 2-dimensional format like the following. Make sure you print out the student # and course numbers so one can easily locate an array element. Format your output like the following.1. Create a 2D char array called grades, to save the grades for three students for five courses (size 3 by 5). Write the nested for loop to initialize the first row with ‘A’, second row ‘B’, and third-row ‘C’. 2. Say the second student got C for the fifth course. The third student got an A for the first course. Make the changes to the above array. 3. Print out the array elements in the 2-dimensional format like the following. Make sure you print out the student # and course numbers so one can easily locate an array element. Format your output like the following. After initialization: Grades of 3 students Course1 Course2 Course3 Course4 Course5Student 1: A A A A AStudent 2: B B B B BStudent 3: C C C C C After change:…
- Write a code segment that displays the items in a three-dimensional array. Each line of data should represent all the items at a given row and column, stretching back from the first depth position to the last one. The traversal should start at the first row, column, and depth positions and move through depths, columns, and rowsArray can store values of same datatypes. Select one: O True O Falsevalue You are given 4 items as {value, weightpairs in this format {{20, 5}, {60, 20}, {25, 10}, {X, 25}}You can assume that the array is sorted based on the ratio. The weight capacity of knapsack is 50. The item no. 4 (whose weightis 25 ) is taken fractionally to fill upto the knapsack capacity. That fraction is represented in format. What is the lowest possible value of b? For the question above, assume the total value stored in the knapsack is 135 after you have filled upto the knapsack capacity. What is the value of X(in other words, the valueof the item no. 4) ? Give your answer to at least two decimal places.