Mastering Data Exploration
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Questions and Answers

Which programming language is used in this subject?

  • C++
  • Python
  • R (correct)
  • Java

    • What is the email address of the lecturer?

    Where can you find the lecture slides?

  • At the lecturer's website
  • In the LMS
  • On the subject homepage (correct)
  • In the recommended textbooks

    • Which textbook is recommended for this subject?

    <p>Data Analysis with R (B)</p> Signup and view all the answers

    When is the consultation time for the lecturer?

    <p>Wednesday 01:00 PM-02:00 PM (B)</p> Signup and view all the answers

    What are the prerequisites for this subject?

    <p>Both CSE4DBF and MAT4NLA (C)</p> Signup and view all the answers

    Which room is Lab-3 held in?

    <p>BG-104 (D)</p> Signup and view all the answers

    Which of the following is a key goal of the subject CSE5DEV?

    <p>To equip graduate students with practical knowledge of data exploration techniques (A)</p> Signup and view all the answers

    What are the process steps in data exploration and analysis also known as?

    <p>Problem Solving (D)</p> Signup and view all the answers

    What is the first step in problem solving?

    <p>Identifying a problem (A)</p> Signup and view all the answers

    What is the main objective of data exploration projects?

    <p>To uncover the structure of the data (A)</p> Signup and view all the answers

    What is the purpose of data cleaning and normalization?

    <p>To prepare data for analysis (B)</p> Signup and view all the answers

    Which stage of the data science project involves exploring the data?

    <p>Stage 3: Explore the data (D)</p> Signup and view all the answers

    What is the difference between manual tools and automation tools for data exploration?

    <p>Automation tools require programming knowledge (B)</p> Signup and view all the answers

    Which assignments are required in this subject?

    <p>Both Assignment 1 and Assignment 2 (D)</p> Signup and view all the answers

    What percentage of the final mark is Assignment 1 worth?

    <p>15% (A)</p> Signup and view all the answers

    What percentage of the final mark is Assignment 2 worth?

    <p>25% (A)</p> Signup and view all the answers

    What is the equation for the arithmetic and partial sum simplifications?

    <p>$P_n = \sum_{i=0}^{n} = 2n + 2$ (A)</p> Signup and view all the answers

    What is the requirement for passing this subject?

    <p>Accumulate at least 50% over all forms of assessments (A)</p> Signup and view all the answers

    Where can you watch the recorded lectures if you cannot attend them?

    <p>Subject Homepage: LMS (B)</p> Signup and view all the answers

    What is the focus of the labs?

    <p>Application (C)</p> Signup and view all the answers

    Which programming language is ranked #1 in the KDnuggets 2016 poll on Top Analytics and Data Science software?

    <p>R (B)</p> Signup and view all the answers

    What is the purpose of a flowchart in programming?

    <p>To graphically describe the steps in a program (D)</p> Signup and view all the answers

    What are the three steps performed by a computer program?

    <p>Take Input(s), Perform Process, Produce Output(s) (B)</p> Signup and view all the answers

    What is the average of two numbers, num1 and num2, in R programming?

    <p>$\text{Average} = \frac{\text{num1} + \text{num2}}{2}$ (D)</p> Signup and view all the answers

    What are the steps required to use R in CSE5DEV Labs?

    <p>Install R Programming language and RStudio (C)</p> Signup and view all the answers

    What is the purpose of RStudio in R programming?

    <p>An integrated development environment (IDE) for writing R codes (A)</p> Signup and view all the answers

    What is the purpose of the CRAN Task Views in R programming?

    <p>To provide collections of packages for different tasks (A)</p> Signup and view all the answers

    What is the purpose of the R Language Definition in R programming?

    <p>To provide documentation on the R language (A)</p> Signup and view all the answers

    What is the purpose of R in CSE5DEV Labs?

    <p>To perform statistical computing and graphics (D)</p> Signup and view all the answers

    Which section of the syllabus covers the basics of R programming?

    <p>Section 3 (B)</p> Signup and view all the answers

    What is the purpose of data exploration and analysis projects?

    <p>To explore the data (C)</p> Signup and view all the answers

    Which stage of the data science project involves communicating the results?

    <p>Stage - 4 Communicate the results (D)</p> Signup and view all the answers

    What is the first step in problem solving?

    <p>Identify the problem (C)</p> Signup and view all the answers

    What is the purpose of data cleaning and normalization?

    <p>To clean and normalize the data (D)</p> Signup and view all the answers

    Which programming language is commonly used in data science and analysis projects?

    <p>Python (B)</p> Signup and view all the answers

    What is the purpose of RStudio in R programming?

    <p>To write and run R code (B)</p> Signup and view all the answers

    What is the goal of a data science project?

    <p>To estimate or solve a problem (C)</p> Signup and view all the answers

    What is the equation for arithmetic and partial sum simplifications?

    <p>a = b + c (C)</p> Signup and view all the answers

    Which section of the syllabus covers data collection?

    <p>Section 2 (B)</p> Signup and view all the answers

    Which section of the CSE5DEV syllabus covers the basics of R programming?

    <p>Section 3 (B)</p> Signup and view all the answers

    What is the purpose of data collection?

    <p>To evaluate outcomes (D)</p> Signup and view all the answers

    What are the two main categories of data?

    <p>Experimental and observational (A)</p> Signup and view all the answers

    Which of the following is an example of qualitative data?

    <p>Grades (A, B, C) (D)</p> Signup and view all the answers

    What type of data is represented by the value 3.3?

    <p>Continuous numeric (C)</p> Signup and view all the answers

    Where can data be obtained from?

    <p>All of the above (D)</p> Signup and view all the answers

    In which format can data be stored?

    <p>All of the above (D)</p> Signup and view all the answers

    What is the purpose of data exploration and analysis techniques in R programming?

    <p>To analyze and explore data (B)</p> Signup and view all the answers

    Which type of data is collected from strictly controlled experiments?

    <p>Experimental data (B)</p> Signup and view all the answers

    What is the main difference between experimental and observational data?

    <p>Observational data is collected from real-world settings (A)</p> Signup and view all the answers

    Which of the following is NOT a data type in R programming?

    <p>Boolean (A)</p> Signup and view all the answers

    What is the first step in importing data into R environment?

    <p>Write R codes to import data into RStudio environment (D)</p> Signup and view all the answers

    Which file format is NOT supported for data importing in R programming?

    <p>PDF files (B)</p> Signup and view all the answers

    What is the purpose of RStudio in R programming?

    <p>To write and run R code (B)</p> Signup and view all the answers

    What is the syntax for the R reading function?

    <p>ReadData(object_name) (A)</p> Signup and view all the answers

    Which section of the syllabus covers the basics of R programming?

    <p>Section 3: Basics of R Programming (A)</p> Signup and view all the answers

    What is the purpose of data exploration in R programming?

    <p>To understand and analyze the data (D)</p> Signup and view all the answers

    Which step is NOT involved in data collection?

    <p>Analyzing the data (A)</p> Signup and view all the answers

    What is the purpose of R programming software?

    <p>To write and run R code (A)</p> Signup and view all the answers

    Which file format is NOT mentioned as a possible source for data importing in R programming?

    <p>PDF (A)</p> Signup and view all the answers

    Which file format is NOT mentioned as a possible source for data importing in R programming?

    <p>name.PDF (D)</p> Signup and view all the answers

    What is the purpose of RStudio in R programming?

    <p>To write and run R code (D)</p> Signup and view all the answers

    What are the steps required to import data into R environment?

    <p>Step 1: Write R codes to import data into Rstudio environment, Step 2: View the data (C)</p> Signup and view all the answers

    Which of the following is NOT a data type in R programming?

    <p>Boolean (C)</p> Signup and view all the answers

    What is the purpose of data cleaning and normalization?

    <p>To clean and prepare data for analysis (C)</p> Signup and view all the answers

    What is the purpose of data exploration and analysis projects?

    <p>To gain insights and make informed decisions (A)</p> Signup and view all the answers

    Which section of the syllabus covers the basics of R programming?

    <p>Section 3: Basics of R Programming (C)</p> Signup and view all the answers

    What is the purpose of the R Language Definition in R programming?

    <p>To define the syntax and semantics of the R language (B)</p> Signup and view all the answers

    What is the first step in importing data into R environment?

    <p>Step 4: Write R codes to import data into Rstudio environment (C)</p> Signup and view all the answers

    What is the purpose of a flowchart in programming?

    <p>To visualize the logical flow of a program (A)</p> Signup and view all the answers

    Which section of the syllabus covers data exploration and analysis techniques in R programming?

    <p>Section 4: Data Exploration and Analysis (D)</p> Signup and view all the answers

    What are the stages involved in a data science project?

    <p>Stage 1: Identify the problem, Stage 2: Collect &amp; Prepare the data, Stage 3: Explore the data, Stage 4: Communicate the results (A)</p> Signup and view all the answers

    What is the purpose of data cleaning and normalization in a data science project?

    <p>To convert data into a standard format (A)</p> Signup and view all the answers

    Which programming language is used in the CSE5DEV Labs?

    <p>R (C)</p> Signup and view all the answers

    What is the main goal of data exploration projects?

    <p>To identify patterns and relationships in the data (A)</p> Signup and view all the answers

    What are the three main steps involved in using R in the CSE5DEV Labs?

    <p>Install R and RStudio, Create Rmarkdown file, Write and run basic codes (A)</p> Signup and view all the answers

    Which stage of the data science project involves exploring the data?

    <p>Stage 3: Explore the data (D)</p> Signup and view all the answers

    What is the purpose of RStudio in R programming?

    <p>To write and run R code (B)</p> Signup and view all the answers

    What is the difference between manual tools and automation tools for data exploration?

    <p>Manual tools require human intervention, while automation tools automate the data exploration process (A)</p> Signup and view all the answers

    Which section of the syllabus covers the basics of R programming?

    <p>Section 3: Basics of R Programming (B)</p> Signup and view all the answers

    Which section of the syllabus covers the basics of R programming?

    <p>Section 3: Basics of R Programming (D)</p> Signup and view all the answers

    What is the purpose of data collection?

    <p>To learn more about customers, items, and products (D)</p> Signup and view all the answers

    What is the difference between qualitative and quantitative data?

    <p>Qualitative data describes something, while quantitative data is numerical (D)</p> Signup and view all the answers

    What are the different types of data values?

    <p>Numeric, Categorical, Date, Text, Time series (D)</p> Signup and view all the answers

    What is the main category of data obtained from strictly controlled experiments?

    <p>Experimental data (C)</p> Signup and view all the answers

    What is the main category of data collected from real-world settings without control over the captured phenomena?

    <p>Observational data (D)</p> Signup and view all the answers

    What is the purpose of data cleaning and normalization?

    <p>To improve the quality of the system (A)</p> Signup and view all the answers

    Which programming language is ranked #1 in the KDnuggets 2016 poll on Top Analytics and Data Science software?

    <p>R (B)</p> Signup and view all the answers

    What are the steps required to import data into R environment?

    <p>Import the data into R environment, explore and analyze the data, clean and normalize the data (A)</p> Signup and view all the answers

    What percentage of the final mark is Assignment 1 worth?

    <p>25% (B)</p> Signup and view all the answers

    Which section of the syllabus covers the basics of R programming?

    <p>Section 3: Basics of R Programming (C)</p> Signup and view all the answers

    What is the purpose of data exploration and analysis techniques in R programming?

    <p>To discover trends and patterns in the data (B)</p> Signup and view all the answers

    What is the difference between qualitative and quantitative data?

    <p>Qualitative data describes something, while quantitative data is numerical (B)</p> Signup and view all the answers

    What are the two main categories of data?

    <p>Experimental and observational (A)</p> Signup and view all the answers

    What is the purpose of RStudio in R programming?

    <p>To explore and analyze data (A)</p> Signup and view all the answers

    Which programming language is used in this subject?

    <p>R (A)</p> Signup and view all the answers

    What is the purpose of data cleaning and normalization?

    <p>To improve the quality of the data (B)</p> Signup and view all the answers

    What is the goal of a data science project?

    <p>To discover trends and patterns in the data (A)</p> Signup and view all the answers

    What is the purpose of the CRAN Task Views in R programming?

    <p>To provide a curated list of R packages for specific tasks (C)</p> Signup and view all the answers

    What is the purpose of the R Language Definition in R programming?

    <p>To provide a detailed specification of the R language (A)</p> Signup and view all the answers

    Which section of the CSE5DEV syllabus covers data exploration and analysis techniques in R programming?

    <p>Section 4: Data Exploration and Analysis (A)</p> Signup and view all the answers

    What is the first step in importing data into the R environment?

    <p>Collect &amp; Prepare the data (B)</p> Signup and view all the answers

    What is the purpose of data cleaning and normalization in a data science project?

    <p>To clean and transform the data (A)</p> Signup and view all the answers

    Which section of the syllabus covers the basics of R programming?

    <p>Section 3: Basics of R Programming (D)</p> Signup and view all the answers

    What is the purpose of data cleaning and normalization?

    <p>To answer relevant questions and evaluate outcomes (B)</p> Signup and view all the answers

    Which file format is NOT supported for data importing in R programming?

    <p>HTML (D)</p> Signup and view all the answers

    What is the main category of data collected from real-world settings without control over the captured phenomena?

    <p>Observational data (D)</p> Signup and view all the answers

    Which of the following is NOT a data type in R programming?

    <p>Images (B)</p> Signup and view all the answers

    What are the three main steps involved in importing data into R environment?

    <p>Import the data, view the data, access the data (B)</p> Signup and view all the answers

    Which file format is NOT mentioned as a possible source for data importing in R programming?

    <p>PDF (A)</p> Signup and view all the answers

    What is the purpose of RStudio in R programming?

    <p>To write R code (B)</p> Signup and view all the answers

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