A column in your data is missing a value in one row. Which command fills this missing data point with the value before it? Select an answer: df.fillna(method='bfill') df.fillna(0) df.fillna(method='linear') df.fillna(method='ffill')
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A column in your data is missing a value in one row. Which command fills this missing data point with the value before it?
Select an answer:
-
df.fillna(method='bfill')
-
df.fillna(0)
-
df.fillna(method='linear')
-
df.fillna(method='ffill')
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- KOI is offering a new laptop rental service. You need to create an application to allow an IT person to create reservations for students. You will need to use classes and Lists. Create a program that will ask the student ID, Name, Rental Start Date and End Date. It will use Reservation class object to save these 4 parameters (using a constructor). Reservation object will then be added to a List. The class will also have a method to calculate the rental($1 per day). - The program will keep asking if more reservations need to be entered(Y/N). - For each reservation it will create the object and save it in a list. - Once all reservations have been entered it should display the reservation details including the rental cost for each reservation in a tabular format,must be done injava netbeansKOI is offering a new laptop rental service. You need to create an application to allow an IT person to create reservations for students. You will need to use classes and Lists. Create a program that will ask the student ID, Name, Rental Start Date and End Date. It will use Reservation class object to save these 4 parameters (using a constructor). Reservation object will then be added to a List. The class will also have a method to calculate the rental ($1 per day). The program will keep asking if more reservations need to be entered(Y/N). For each reservation it will create the object and save it in a list. Once all reservations have been entered it should display the reservation details including the rental cost for each reservation in a tabular format.KOI is offering a new laptop rental service. You need to create an application to allow an IT person to create reservations for students. You will need to use classes and Lists. Create a program that will ask the student ID, Name, Rental Start Date and End Date. It will use Reservation class object to save these 4 parameters (using a constructor). Reservation object will then be added to a List. The class will also have a method to calculate the rental($1 per day). The program will keep asking if more reservations need to be entered(Y/N). For each reservation it will create the object and save it in a Once all reservations have been entered it should display the reservation details including the rental cost for each reservation in a tabular
- Please do not give solution in image format thanku Method: addOneMinute() Description: This method adds one minute to the current time. Method Signature: void addOneMinute() Parameters: This method does not take any parameters. Return Value: This method does not return anything. Instructions: Check the value of getMinute(). If it is between 0 and 58 inclusive, add 1 to it and call setMinute() with the new value. If getMinute() is 59, set minutes to 0 by calling setMinute(0), and then call addOneHour() to add one hour to the time. Note: You may change things around in your program, but for now please make this method work with the existing method signatures. ________________________________________________________________________________________________--- /*** Adds one minute*/void addOneMinute() {/**assume you have working getMinute(), setMinute(m), and addOneHour()* Feel free to change these in your program, but for now please get things to work with* these function signatures.* if…Create a CompanyDriver application. You will have at least 2 methods in this application, Create a menu. main() – setCompanyData() - this reads the data from the file (call the file CompanyData.txt) displayCompanyData() - this displays the data to the screen, calling the toString() method of all objects //sortData() - This will sort the data by choice either name of stock or current price / This will be part of lab 7. //Create an arraylist of the 10 Company objects and display them. You may want to make this a method. This will be part of lab 7 Create an array of the 10 Company objects and display them. You may want to make this a method. Read the data from a file (see below) Call each method as described above CompanyData.txt (the data is set up like this: (Company name, lastprice, current price - copy and paste this into a .txt file) GoPro, Inc.10.7113.69Starbucks59.5358.46JC Penney7.7310.78Amazon531.07576.32Adams Resources and…Create a Golf Game. Allow for two players. Prompt for the player names. Each player plays 18 holes. Use an array or List for each player to hold their number of swings for each hole. Logical methods should be implemented for different tasks (broken out below). It is up to you to determine the parameters and return types of each method as appropriate. Method 1 - For each hole, the player has a number of swings. Determine the player's swings by generating a random number between 1 and 4. Store each players number of swings in the array/list. Method 2 - After completing the 18 holes, add up the number of swings for each hole for each player. The player with the fewest number of swings is the winner. Method 3 - Save the game data into a CSV file in the main project (root) directory. Name the file "Golf_Game_Player1_Player2.csv" using the player's names. The information in the file should look like this: playername, scoreforhole1, scoreforhole2, scoreforhole3, etc... Method 4 - In the…
- Write a GUI that generates a multiplication or division table. A multiplication or division table is a useful tool for learning simple multiplication and division sums. The GUI is given below. Times table Enter the multiplier divisor: Times table Enter the multipleridivisor: 1x3-3 2x3=6 3x3=9 4x3=12 5x3-15 6x3=10 7x3=21 8x3-24 Enter number of sums: Fill table Tips Clear table Randomise Figure 1. GUI The user can choose between doing multiplication or division using the Radio Buttons on the right The user should enter the multiplier or the divisor (depending on whether they have choose multiplication or division). The user should also enter how many sums should be produced. For example, Figure 2 shows 8 sums where the multiplier is 3 and Figure 3 shows 11 sums where the divisor is 7. Ⓒ Multiply Divide Figure 2. GUI with 8 sums and a multiplier of 3. Enter number of sums: Fill table Clear table Times table Enter the multipleridivisor: 717-1 14/7=2 21/7=3 28/7=4 35/7-5 42/7=6 49/7=7…Implement the "Remove song" function. Prompt the user for the unique ID of the song to be removed.Ex: REMOVE SONG Enter song's unique ID: JJ234 "All For You" removedAndroid question (In Java): Develop a piece of code that is responsible for executing a method called 'getFullPages()' asynchronously. The method 'getFullPages()' returns a string value that should be displayed in a text view with id="FullPageID".
- subject:internet fundamentals and scripting Make a Polling game. A poll has a question, an array of options from which people can choose, and an array with the number of replies for each option. This data is stored in the starter'poll' object below.Your tasks:1. Create a method called 'registerNewAnswer' on the 'poll' object. The method does 2 things:1.1. Display a prompt window for the user to input the number of the selected option. The prompt should look like this:What is your favourite programming language?0: JavaScript1: Python2: Rust3: C++(Write option number)13FINAL EXAM1.2. Based on the input number, update the 'answers' array property. For example, if the option is 3, increase the value at position 3 of the array by 1. Make sure to check if the input is a number and if the number makes sense (e.g., answer 52 wouldn't make sense, right?)2. Call this method whenever the user clicks the "Answer poll" button.3. Create a method 'displayResults' which displays the poll results. The…Implement the "Add player" menu option. Prompt the user for a new player's jersey number and rating. Append the values to the two vectors. Ex: Enter a new player's jersey number: 49 Enter the player's rating: 8Initval: endval: increments the index variable from initval to endval by .20 .10 .30