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- This is in R. The comments are my answers, "height" is a vector of numbers: [1] 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 #Describe (using comments) what the following commands do.height[-1] #This adds one value to all of the elements in the height vector.height[-c(3,9)]height[c(TRUE, FALSE)]height[height>61] # This only returns the values which are greater than 61.women["weight"] #This comment returns the weight data of the women database.Which of the following data structures store values in contiguous memory? Check all that apply . Vector Linked List Dynamic Array Map ArrayPlease fix this JAVA code so that it will not overwrite the contents of the file every time I click on a row @Overridepublic void valueChanged(ListSelectionEvent event) {File file = new File("sample json file");int row = table.getSelectedRow();JSONObject obj = (JSONObject) jsonArray.get(row);ObjectMapper mapper = new ObjectMapper();mapper.enable(SerializationFeature.INDENT_OUTPUT);try {JsonGenerator g = mapper.getFactory().createGenerator(new FileOutputStream(file));mapper.writeValue(g, obj);g.close();} catch (IOException e) {throw new RuntimeException(e);}}});
- you will create a spell checker. The program will take three command line arguments: number of words in the dictionary, a dictionary file name, and a text file name. The program will first create a hash table. The number buckets of the hash table should be about twice the number of words in the dictionary. Then, it will read the dictionary from the file, insert the words into the hash table, and report collision statistics. After reading the dictionary, the spelling checker will read a list of words from a text file. Each word will be looked up in the dictionary. If it is incorrect, it will be written to the standard output together with a list of suggested corrections. The algorithm for generating corrections is given below. Hash Table The hash table programs, QuadraticProbing.h and QuadraticProbing.cpp, are posted on Canvas. The programs use quadratic probing to deal with collisions. You should carefully study these programs and make some changes to collect the required statistics.…you will create a spell checker. The program will take three command line arguments: number of words in the dictionary, a dictionary file name, and a text file name. The program will first create a hash table. The number buckets of the hash table should be about twice the number of words in the dictionary. Then, it will read the dictionary from the file, insert the words into the hash table, and report collision statistics. After reading the dictionary, the spelling checker will read a list of words from a text file. Each word will be looked up in the dictionary. If it is incorrect, it will be written to the standard output together with a list of suggested corrections. The algorithm for generating corrections is given below. Hash Table The hash table programs, QuadraticProbing.h and QuadraticProbing.cpp, are posted on Canvas. The programs use quadratic probing to deal with collisions. You should carefully study these programs and make some changes to collect the required statistics.…msleep**** For this assignment, you must name your R file msleep.R (using Rstudio) For all questions you should load tidyverse. You should not need to use any other libraries. Load tidyverse with suppressPackageStartupMessages(library(tidyverse)) The actual data set is called msleep Round all float/dbl values to two decimal places. If your rounding does not work the way you expect, convert the tibble to a dataframe by using as.data.frame() All statistics should be run with variables in the order I state E.g., “Run a regression predicting mileage from mpg, make, and type” would be: lm(mileage ~ mpg + make + type...) Before attempting to answer these, or if you lose points upon an attempt, please review all CodeGrade information provided in the CodeGrade overview submodule - if you do not you are likely to lose points. What is the variance in total sleep for carni vores and those whose conservation status is lc? Your answer should be in a 1 X 1 data frame with a value…
- create a script that prompts the user for a number. then create a loop to generate that number of random hash tables. then add these hash tables to an array. powershellChoose all of the options that apply. In which of the following cases is it more efficient to use a vector rather than a list? O A program that frequently accesses elements throughout the container O A program that needs to add a large number of elements to the container's beginning O A program that adds a fixed number of elements and then removes the first element repeatedly O A program that frequently adds elements, but only to the container's endC++ Quadratic Probing: You have a file called athletes.txt Jamie, basketball Justine, soccer Ned, badminton Shelley, hopscotch etc... The file contains 9 athletes. The user will specify the size of the hash table. Write a function that keeps track of the total number of collisions and searches into the hash table. Each index is assigned hash_index = i % table_size where "i" is an int in a for loop up to table_size If the table is full then: int t = (hash_index + i* i) % table_size; Display the number of collisions and searches.
- This assignment requires you to create a dictionary by reading the text file. Text file name: LightningP Text file contents: Stamkos3538Maroon2933Point5055Kucherov5565Killorn3340 The dictionary should have player names for the keys. The value for each key must be a two-element list holding the player's goals and assists, respectively. Start with an empty dictionary. Then, use a loop to cycle through the text file and add key-value pairs to the dictionary. Close the text file and process the dictionary to print the stats and determine the top scorer as before. Printing the stats for each player is the most challenging part of this program. The required output should be the same well-formatted table as below: PLAYER COLUMN: 10 characters wide and left-aligned. GOALS COLUMN: 6 characters wide and centered. ASSISTS COLUMN: 8 characters wide and centered. TOTAL COLUMN: 6 characters wide and centered. Example output:Code a hbs file named fruits.hbs that utilizes Handlebars placeholders and Handlebars helpers to populate a dropdown list containing a list of fruits. Code an Express server program route that accepts and processes request messages based on the following criteria using the POST methodvia the path called "menu"preparing array elements containing strings "apple", "banana", "cantaloupe", "honeydew", "mango" and "watermelon"render the fruits.hbs Handlebars template and pass the array to the templateCreate a .txt file with 3 rows of various movies data of your choice in the following table format: Movie ID number of viewers rating release year Movie name 0000012211 174 8.4 2017 "Star Wars: The Last Jedi" 0000122110 369 7.9 2017 "Thor: Ragnarok" Create a class Movie which instantiates variables corresponds to the table columns. Implement getters, setters, constructors and toString. ----Important 1. Implement two search methods to search Movies by their rating from unsorted array and by year (first) and a rating (second) from unsorted List. Test your methods and explain their time complexity.