pandas allows us to use multiple different data types (like objects and numbers) in a single table. True False
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Answer all 3 question with explanation.
![Question 8
pandas allows us to use multiple different data types (like objects and numbers) in a single table.
True
O False
Question 9
for pandas to work, data must be formatted as lists before it is imported.
O True
O False
Question 10
] Y
When importing data from a local drive, the relative path was defined as the path FROM where your
code in your current working directory is, TO where your data is.
True
O False](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffe02c6c5-804f-4c5e-a88a-3361f115d5ee%2Fb50f83ab-55b4-49b5-b284-6759f6a9297d%2F1ygy64g_processed.jpeg&w=3840&q=75)
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- I need to correct the following two pseudo code assignments, and I have trouble finding more mistakes in the code. Can anyone help me find them? // Cooper College maintains a master file of students and credits// earned. Each semester the master is updated with a transaction// file that contains credits earned during the semester.// Each file is sorted in Student ID number order. start Declarations num masterID string masterName num masterCredits num transID num transCredits string bothDone = "N" num HIGH_VALUE = 999999 InputFile master InputFile trans OutputFile newMaster getReady() while bothDone = "N" detailLoop() endwhile allDone()stop getReady() open master "master.dat" //changed to "master.dat" open trans "trans.dat" //changed to "trans.dat" open newMaster "newMaster.dat" //changed to "newMaster.dat" readMaster() readTrans()…You are given a file called “std” and composed of “Number, Name, Address”fields/attributes. (You can define the type of fields by yourself) Write an algorithm thatmakes “insert, delete, update and retrieve”, processes on the records in the file. “Number”field is the key of each record.Here is the template of report:Steps Actions1 Name of the report and date2 Author of report3. Literature review4. Your contribution5 Explanation algorithm and sub algorithms6 Summary7. Future advice8. ReferencesYou are given a file called “std” and composed of “Number, Name, Address” fields. (You can define the type of fields by yourself) Write an algorithm that makes “insert, delete, update and retrieve”, processes on the records in the file. “Number” field is the key of each record. Here is the template of report: Steps Actions 1 Name of the report and date 2 Author of report Literature review Your contribution 5 Explanation algorithm and sub algorithms 6 Summary Future advice References ps: write a algorithm not a program
- Read question properly and give correct answer fastttt within 30 minutes.... will upvote Answer the questions below using the following information: Consider a disk with block size B = 512 bytes. A block pointer is P = 6 bytes long, and a record pointer is PR = 7 bytes long. A file has r = 30,000 EMPLOYEE records of fixed length. Each record hs the following fields: Name (30 bytes), SSN (9 bytes), Department_code (9 bytes), Address (40 bytes), Phone (9 bytes), Birth_date (8 bytes), Sex (1 byte), Job_code (4 bytes), Salary (4 bytes, real number). An additional byte is used as a deletion marker. Suppose that the file is not ordered by the key field SSN and we want to construct a B+-tree access structure (index) on SSN. Calculate: The orders p and pleaf of the B+-treeThe number of leaf-level blocks needed if blocks are approximately 69 percent full (rounded up for convenience)The number of levels needed if internal nodes are also 69 percent full (also rounded up)The total number of blocks…Answer the given question with a proper explanation and step-by-step solution. 1.In the following path name, what is the name of the highest level directory? C:\Windows\System\Calc.exe 2.Typically, dictionary data is lost when a program terminates unless you use a special shelve function. Question 14 options: True False 3.Example of a method used with Regex is: open find replace searchCan someone please look at my script and explain why the data is not being read and entered into my pretty table? Any help is appreciated. Script is below. I am getting an empty pretty table as my output. # Python Standard Library import os from prettytable import PrettyTable myTable = PrettyTable(["Path", "File Size", "Ext", "Format", "Width", "Height", "Type"]) dirPath = input("Provide Directory to Scan:") i f os.path.isdir(dirPath): fileList = os.listdir(dirPath) for eachFile in fileList: try: localPath = os.path.join(dirPath, eachFile) absPath = os.path.abspath(localPath) ext = os.path.splitext(absPath)[1] filesizeValue = os.path.getsize(absPath) fileSize = '{:,}'.format(filesizeValue) except: continue # 3rd Party Modules from PIL import Image imageFile = input("Image to Process: ") try: with Image.open(absPath) as im: # if success, get the details imStatus = 'YES' imFormat = im.format imType = im.mode imWidth = im.size[0] imHeight = im.size[1] #print("Image Format: ", im.format)…
- 1.Suppose a file has multiple hard links. What happens if one of the hard links is deleted? * a)The link is removed, but the file remains on the disk b)The file is actually removed from the hard disk, along with the other links c)The file is removed from the hard disk, but the other links are not removed d)You get an error message and nothing gets removed 2.The main reason to store attributes of a files with the inodes (instead of managing centrally with a common data structures) is: * a)To be able to keep attributes intact when the files are moved from one physical storage to another. b)The attributes are actually stored in different data structures within the filesystem c)None of the above d)To be able to maintain consistency across all files. The OS need not worry about the attributes.Which of the following storage allocation schemes results in the problem of fragmentation? (a) Contiguous storage; (b) Noncontiguous storage; (c) Segmented memory storage; (d) Indexed storage; (e) Direct storage.You are given a file called “std” and composed of “Number, Name, Address” fields/attributes. (You can define the type of fields by yourself) Write an algorithm that makes “insert, delete, update and retrieve”, processes on the records in the file. “Number” field is the key of each record.Here is the template of report:Steps Actions1 Name of the report and date2 Author of report3. Literature review4. Your contribution5 Explanation algorithm and sub algorithms6 Summary7. Future advice8. References
- 13:12 Exercise 13.7.1: A patient record consists of the following fixed-length fields: the patient's date of birth, social-security number, and patient ID, each 10 bytes long. It also has the following variable-length fields: name, address, and patient history. If pointers within a record require 4 bytes, and the record length is a 4-byte integer, how many bytes, exclusive of the space needed for the variablelength fields, are needed for the record? You may assume that no alignment of fields is required. 13:12 Exercise 13.7.3: Suppose that the patient records of Exercise 13.7.1 are augmented by an additional repeating field that represents cholesterol tests. Each cholesterol test requires 16 bytes for a date and an integer result of the test. Show the layout of patient records if. a) The repeating tests are kept with the record itself. b) The tests are stored on a separate block, with pointers to them in the recordEXPLAIN WHERE YOU FIND THE The database has 500000 million records A database must store an employee table consisting of 100000records each of which is 80byteslong. Answer the following questions by assuming these con gurations/parameters: B = 512bytes,interblock gap size G = 128bytes, numberof blockspertrack = 256, numberof trackspersurf ace =400. The disk has 8 platters each with two heads (only one head can read at a time of all 16 heads),rotates at 7200rpm, has a track − to − trackseektime(m) of 1ms, s = 12ms, r = 4.16ms, andbtt = 0.03255ms. 1. How many records can be stored per block (blocking factor) using spanned and unspannedcongurations?2. What is the utilization (%) for the unspanned conguration?3. If the le is physically ordered, what is the average time in milli second to read a record ineach conguration?SAME PARAMETERS: In the RENTALS table shown in fig 2, 40 customers have created 50 rental contracts over time. A RENTALS record is 122 bytes and the block size for your OS is set to 1024 bytes with each block having a 1 byte pointer to the next written block as well as a 1 byte pointer to the next physically consecutive block. Assuming spanned organization, how many blocks do you estimate the RENTALS file is using at its current size? multiple choice a.50 b.6 c.400 d.7
