Suppose you have a tiny data frame named example_df as shown below. Which line of code will result in a data frame with two rows? (In case it's not clear, A and B are the variable names.)
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- Write a program that reads movie data from a CSV (comma separated values) file and output the data in a formatted table. The program first reads the name of the CSV file from the user. The program then reads the CSV file and outputs the contents according to the following requirements: Each row contains the title, rating, and all showtimes of a unique movie. A space is placed before and after each vertical separator ('|') in each row. Column 1 displays the movie titles and is left justified with a minimum of 44 characters. If the movie title has more than 44 characters, output the first 44 characters only. Column 2 displays the movie ratings and is right justified with a minimum of 5 characters. Column 3 displays all the showtimes of the same movie, separated by a space. Each row of the CSV file contains the showtime, title, and rating of a movie. Assume data of the same movie are grouped in consecutive rows. Hints: Use the find() function to find the index of a comma in each row of…Write a program that reads movie data from a csv (comma separated values) file and output the data in a formatted table. The program first reads the name of the CSV file from the user. The program then reads the csv file and outputs the contents according to the following requirements: Each row contains the title, rating, and all showtimes of a unique movie. A space is placed before and after each vertical separator (|) in each row. Column 1 displays the movie titles and is left justified with a minimum of 44 characters. If the movie title has more than 44 characters, output the first 44 characters only. Column 2 displays the movie ratings and is right justified with a minimum of 5 characters. Column 3 displays all the showtimes of the same movie, separated by a space. Each row of the csv file contains the showtime, title, and rating of a movie. Assume data of the same movie are grouped in consecutive rows. Ex: If the input of the program is: movies.csv and the contents of movies.csv…Generate a histogram of 20,000 randomly generated floating-point numbers according to a uniform distribution with a user-specified range [a, b], where a and b are parameters. The histogram will include the frequencies of numBins (>=21) values equal-width data bins that are equally evenly distributed between a and b. For instance, if a=2.0, b=10.0, you will calculate the frequencies total number of randomly generated values that fall into each of following data bins, where each bin has a width of (b-a)/21 and centers at 2.0, 2.0+(8.0/20)*1, 2.0+(8.0/20)*2, 2.0+(8.0/20)*3, ..., 2.0+(8.0/20)*20=10, respectively. To keep it simple, your can set the precision of each center at 0.1 (i.e., only consider the first digit after the decimal point, e.g., 2.0, 2.4, 2.8, etc.). Put all the above together, if the randomly generated value is 2.44323, it falls into the bin centering at 2.4 since rounding 2.44323 with a precision of 0.1 is 2.4.
- Here__Given an m x n 2D binary grid grid which represents a map of '1's (land) and '0's (water), return the number of islands. An island is surrounded by water and is formed by connecting adjacent lands horizontally or vertically. You may assume all four edges of the grid are all surrounded by water. Example 1: Input: grid = [ ["1","1","1","1","0"], ["1","1","0","1","0"], ["1","1","0","0","0"], ["0","0","0","0","0"] ] Output: 1 Example 2: Input: grid = [ ["1","1","0","0","0"], ["1","1","0","0","0"], ["0","0","1","0","0"], ["0","0","0","1","1"] ] Output: 3.Create a function that returns which chapter is nearest to the page you're on. If two chapters are equidistant, return the chapter with the higher page number. Examples- nearestChapter(new Chapter[] { new Chapter("Chapter 1", 1), new Chapter("Chapter 2", 15), new Chapter("Chapter 3", 37) }, 10) "Chapter 2" IN JAVAdef apply_gaussian_noise(X, sigma=0.1): """ adds noise from standard normal distribution with standard deviation sigma :param X: image tensor of shape [batch, 3, height, width] Returns X + noise. """ ### YOUR CODE HERE ### # noise tests theoretical_std = (X_train[:100].std() ** 2 + 0.5 ** 2) ** .5 our_std = apply_gaussian_noise(X_train[:100], sigma=0.5).std() assert abs(theoretical_std - our_std) < 0.01, \ "Standard deviation does not match it's required value. Make sure you use sigma as std." assert abs(apply_gaussian_noise(X_train[:100], sigma=0.5).mean() - X_train[:100].mean()) < 0.01, \ "Mean has changed. Please add zero-mean noise"
- Please Assist me to complete the Python Code: Data frames can be subset by a chosen value using ==. Ex: df[df.x == 5] gives all the rows in the data frame df for which the column x has a value of 5. Write a program that performs the following tasks: Load the file mtcars.csv into a data frame called df Create a new data frame df_cyl by subsetting the data frame based on a user defined value for the column cyl. Print the shape of the new data frame.mtcars.csv should not be necessary to answer this question. Please advise on the commands for subsetting a new data frame and for printing the shape of the new data frame. Thank You! Please try Completing the Program Below: import pandas as pd cylinders = int(input()) df = # read in the csv file mtcars.csv df_cyl = # create a new dataframe with only the rows where cyl = cylinders print(# print the shape of the new data frame)In the language R: Which of the following statements is NOT correct about drawing a map in R? Select one: A. When drawing a map, we use the geom_polygon() function to plot a set of lines drawn in the right order on a grid B. The scale_fill_gradient() function allows us to define different gradient colors for lower or higher numerical values C. We cannot change the filling colors manually when drawing a map D. We use the “Albers Projection” to project points and lines from a round to a flat surfaceDefine vector t-[0:0.5:4]; where t is the number of years. A radioactive element decays in a first-order process, given by: N(t)= No exp(-t/v). consider No-5 and v-0.9. The data is stored in variables t and N. What command will you use to plot the data as solid black line with red diamond as markers. (see the figure below) plot(tN;-rd') plot(t.N,-kd) plot(t,N;-krd') piot(t,N;-k,tN,rd) 2. 3. 2.
- In Java: The CSV (or comma-separated values) format is commonly used for tabular data. Each table row is a line, with columns separated by commas. Items may be enclosed in quotation marks, and they must be if they contain commas or quotation marks. Quotation marks inside quoted fields are doubled. Here is a line with four fields:1729, San Francisco, "Hello, World", "He asked: ""Quo vadis?""" Implement a class CSVReader that reads a CSV file, and provide methodsint numberOfRows()int numberOfFields(int row)String field(int row, int column)2. Create xand y vectors to represent the following data: yl/x- x = 15 x = 30 y= 10 2 = 23 33 20 45 55 30 60 70 40 82 92 50 11 121 60 140 150 70 167 177 80 198 198 90 200 210 100 20 230 26 1. Plot both scts of y-z data on the same plot. Add a legend identifying which valuc of x applics to cach data set. 2. Use two-dimensional lincar interpolation to approximate the valuc of : when y= 15 and x 20. 3. Use two-dimensional cubic splinc interpolation to approximate the value of z when y 15 and x = 20. 4. Usc lincar interpolation to create a new subtable for x 20 and x = 25 for all the yvalucs.Write a program that reads movie data from a CSV (comma separated values) file and output the data in a formatted table. The program first reads the name of the CSV file from the user. The program then reads the CSV file and outputs the contents according to the following requirements: • Each row contains the title, rating, and all showtimes of a unique movie. • A space is placed before and after each vertical separator (I) in each row. • Column 1 displays the movie titles and is left justified with a minimum of 44 characters. . If the movie title has more than 44 characters, output the first 44 characters only. • Column 2 displays the movie ratings and is right justified with a minimum of 5 characters. • Column 3 displays all the showtimes of the same movie, separated by a space. Each row of the CSV file contains the showtime, title, and rating of a movie. Assume data of the same movie are grouped in consecutive rows. Ex: If the input of the program is: movies.csv and the contents of…