42856 Learning courses in Cardiff delivered Online

Description GraphQL is a query and manipulation language of API that accomplishes queries with existing data. It is alternative to REST that is maintained by people, community, companies, and individuals across the world. To know more details about it, look at the GraphQL with NodeJs: Beginner to Advanced course. It will guide you further in your quest to regard this topic. The contents of this course will assist you to learn its basic to advance functions knowing how to start with GraphQL and NodeJs, do CURD Operations with NodeJs, MongoDB, and GraphQL, and fragment, union, and interfaces with GraphQL. The GraphQL with NodeJs: Beginner to Advanced course will assist you to learn how to set page number, make caching and batching, filtering, sorting and to know about the subscription and data loaders in GraphQL. It also enables you to test the data authentication and authorization with Jest in MngoDB, NodeJs, and GraphQL. The purpose of the course is to make you efficient in this field providing with all required information must. Learn vibrantly with the help of this course. Certification: After completing the course successfully, you will be able to obtain an Accredited Certificate of Achievement. Certificates can be obtained either in hard copy at a cost of £39 or in PDF format at a cost of £24. Who is this Course for? GraphQL with NodeJs: Beginner to Advanced is certified by CPD Qualifications Standards and CiQ. This makes it perfect for anyone trying to learn potential professional skills. As there is no experience and qualification required for this course, it is available for all students from any academic background. Requirements Our GraphQL with NodeJs: Beginner to Advanced is fully compatible with any kind of device. Whether you are using Windows computer, Mac, smartphones or tablets, you will get the same experience while learning. Besides that, you will be able to access the course with any kind of internet connection from anywhere at any time without any kind of limitation. Career Path After completing this course you will be able to build up accurate knowledge and skills with proper confidence to enrich yourself and brighten up your career in the relevant job market. Getting Started Create Express Server in NodeJs FREE 00:04:00 Create GraphQL Server using express 00:08:00 Understand GraphQL Resolver Arguments 00:03:00 Connect GraphQL App with MongoDB using Mongoose 00:04:00 CURD(Create, Read,Update,Delete) Operations with Nodejs, GraphQL, and MongoDB Create Record in MongoDB Using GraphQL Mutation 00:06:00 Get Records From MongoDB Using GraphQL Query 00:02:00 Update Records From MongoDB Using GraphQL Mutation 00:02:00 Delete Record From MongoDB Using GraphQL Mutation 00:02:00 Authentication and Authorization in GraphQL, Nodejs and MongoDB Create GraphQL Server with GraphQL Yoga 00:03:00 Split up your schema definition, resolvers, and Query type into multiple files 00:07:00 Create a Mongoose User model for Authentication in GraphQL 00:03:00 Register and Encrypt User Data and Return JWT Payload with Graph 00:07:00 Operations and Variables in GraphQL 00:02:00 Validate Input in GraphQL with Joi 00:04:00 Authenticate a User using a JSON Web Token in GraphQL 00:03:00 Merge GraphQL Resolvers into a Single Object using lodash.merge 00:02:00 Create a Middleware for Authentication in GraphQL 00:07:00 Apply Authentication Middleware on GraphQL Resolvers 00:03:00 Create Nested Resolvers to remove duplicate code from individual 00:07:00 Pagination, Filtering, And Sorting in GraphQL Paginate List of Data in GraphQL 00:04:00 Filter Nodes with Matching Rule GraphQL Queries 00:03:00 Sort GraphQL Query Results by Field 00:02:00 Cursor Based Pagination 00:09:00 Fragments, Interfaces, and Unions in GraphQL Send Multiple Queries in a Single Request using Aliases in GraphQL 00:02:00 Enhancing Fields Reusability with Fragments in GraphQL 00:02:00 Create Enum to represents a collection of related values 00:03:00 Create an Interface to represent the reusable fields in GraphQL 00:06:00 Interface Demo with - ResolveType 00:05:00 Create Union to return more than object type from GraphQL field 00:11:00 Subscriptions and DataLoaders in GraphQL Introduction to Subscriptions 00:01:00 Adding real-time functionality with GraphQL Subscriptions 00:06:00 Why Data Loaders in GraphQL 00:02:00 Create DataLoader in GraphQL 00:05:00 Batching in GraphQL 00:05:00 Caching in GraphQL 00:03:00 Testing with Jest in GraphQL and NodeJs Integrate Jest Testing Framework with GraphQL, and NodeJs 00:05:00 Write Unit test for Resolvers in GraphQL 00:04:00 Write Integration Test for Queries And Mutations in GraphQL 00:04:00 Order your Certificate Order Your Certificate 00:00:00

[vc_row][vc_column][vc_column_text] Description: Want to combat your fear of numbers and master complex maths equations? Are you looking for expert tips and tricks to help you pass your exams? Develop essential problem-solving skills and improve your career prospects with this Mathematics Certificate Level 2 Course. This maths certificate course covers such topics as getting started with the building blocks of maths, dealing with decimals, percentages, tackling fractions without fear and algebra. This course will help you to develop your mathematical knowledge as a key life skill. You will also improve your mental arithmetic and calculations through Verdic maths exercises. Throughout this course, you will build your confidence by helping you develop a feel for numbers, patterns and relationships, and places a strong emphasis on solving problems and presenting and interpreting results. You will also gain an understanding of how to communicate and reason using mathematical theories and concepts.  This course has no entry requirements. On successful completion, you will have the confidence and ability to apply your new skills in your studies and in real-life scenarios. Certification: After completing the course successfully, you will be able to obtain an Accredited Certificate of Achievement. Certificates can be obtained either in hard copy at a cost of £39 or in PDF format at a cost of £24. Who is this Course for? Mathematics Certificate Level 2 is certified by CPD Qualifications Standards and CiQ. This makes it perfect for anyone trying to learn potential professional skills. As there is no experience and qualification required for this course, it is available for all students from any academic background. Requirements Our Mathematics Certificate Level 2 is fully compatible with any kind of device. Whether you are using Windows computer, Mac, smartphones or tablets, you will get the same experience while learning. Besides that, you will be able to access the course with any kind of internet connection from anywhere at any time without any kind of limitation. Career Path After completing this course you will be able to build up accurate knowledge and skills with proper confidence to enrich yourself and brighten up your career in the relevant job market.[/vc_column_text][/vc_column][/vc_row] Introduction Lecture 1 Intro video 00:02:00 Section 2 Lecture 2 Multiplying any digit number by 11, 22, and 33 00:09:00 Section 3 Lecture 3 Finding remainder when a number of any digits is divided by 9 00:04:00 Section 4 Lecture 4 Multiplying any digit number by series of 9; 99; 999; 99999 Part 1 00:08:00 Lecture 5 Multiplying any digit number by series of 9; 99 ; 999 ; 99999 Part 2 00:07:00 Section 5 Lecture 6 Product of two numbers below the base number 100; 1000 etc 00:08:00 Lecture 7 Multiplication of Numbers above the base 1000; 10000; 100000 etc 00:08:00 Lecture 8 Multiplication of numbers one above the base and second less than the base 00:06:00 Section 6 Lecture 9 multiplying any two digit numbers using Vertically and Crosswise 00:04:00 Lecture 10 Multiplying three digit numbers using Vertically and Crosswise 00:05:00 Section 7 Lecture 11 Multiplying any digit number by 5, 25, and 125 faster than calculator 00:07:00 Section 8 Lecture 12 Squaring numbers that end in 5 using Vedic Math 00:04:00 Lecture 13 Squaring two digit numbers mentally Using Vedic Math technique 00:06:00 Lecture 14 Squaring three digit numbers mentally Using Vedic Math technique 00:05:00 Section 9 Lecture 15 Finding cube of any two digit number faster than calculator 00:10:00 Section 10 Lecture 16 Approximate value of square root of numbers which are not perfect squares 00:09:00 Lecture 17 Approximate value of cube root of numbers which are not perfect cubes 00:05:00 Section 11 Lecture 18 Short tricks to count Number of Squares in given figure 00:05:00 Lecture 19 Short tricks to count Number of Rectangles in given figure 00:03:00 Lecture 20 Short tricks to count Number of triangles in given figure 00:04:00 Section 12 Lecture 21 Finding Day of the week when any date is given in 2 Seconds mentally 00:12:00 Simplify calculations super fast Lecture 22 Digital sum of a number 00:04:00 Lecture 23 Digital sum- Addition and Subtraction 00:10:00 Lecture 24 Digital sums- Multiplication 00:07:00 Lecture 25 Digital sum- divisions 00:08:00 Simplification short cuts for complicated fractions and square root problems Lecture 26 Simplification short tricks for complicated fractions 00:10:00 Lecture 27 Simplification short tricks for fractions series part 1 00:07:00 Lecture 28 Simplification short tricks for fractions series part 2 00:05:00 Lecture 29 Simplification short tricks for complicated square root problems 00:09:00 Certificate and Transcript Order Your Certificates and Transcripts 00:00:00

Unlock the secrets to effective dog training with our Dog Behaviour Diploma. Learn advanced techniques in dog communication, manage aggression, and address common behavioral issues to become a confident dog trainer.

Master the art of private investigation with the Private Investigator Level 3 Diploma. This comprehensive course equips you with crucial skills such as interviewing, criminal psychology, surveillance, and business management, ensuring you have the expertise for a successful career in the field.

Like adults, children are not immune to mental health disorders. However, often children experience these disorders differently to adults, and there are also some problems which are unique to children. The Diploma in Children Mental Health will teach you about mental health problems in children other than developmental and behavioural disorders. Understand childhood depression, anxiety and eating problems amongst others and forge a career in the caring professions.  Please note: This course only gives you the theoretical knowledge that you need to excel in this field. This Diploma in Children Mental Health doesn’t entitle you to practise as a professional in this specific field. Why choose this course Earn an e-certificate upon successful completion. Accessible, informative modules taught by expert instructors Study in your own time, at your own pace, through your computer tablet or mobile device Benefit from instant feedback through mock exams and multiple-choice assessments Get 24/7 help or advice from our email and live chat teams Full Tutor Support on Weekdays Course Design The course is delivered through our online learning platform, accessible through any internet-connected device. There are no formal deadlines or teaching schedules, meaning you are free to study the course at your own pace. You are taught through a combination of Video lessons Online study materials Mock exams Multiple-choice assessment Certification After the successful completion of the final assessment, you will receive a CPD-accredited certificate of achievement. The PDF certificate is for £9.99, and it will be sent to you immediately after through e-mail. You can get the hard copy for £15.99, which will reach your doorsteps by post. Who is this course for? Diploma in Children Mental Health is suitable for anyone who want to gain extensive knowledge, potential experience and professional skills in the related field. This is a great opportunity for all student from any academic backgrounds to learn more on this subject. Course Contents Introduction to Mental Health Community Mental Health Teams (CMHTs) Child Psychology Introduction to Child Development Childhood and Adolescent Attachment and Relationship Building in Childhood Eating & Sleeping Disorders Factors that Influence Development Cognitive Development Social and Emotional Development Problems of Infancy Problems of Childhood

Overview of Office Administration With over 4 million people working in administrative roles, office administration is a growing field full of opportunities in the UK. This office administration course equips you with the essential skills like time management, business writing, communication, and organisation needed to thrive as an administrative professional. You'll gain practical insights into managing office tasks, interacting with staff and clients, and problem-solving issues that arise. With dedicated modules on skills like writing, communication, and stress management, this comprehensive course readies you for diverse administrative and secretarial jobs across sectors.  Invest in your potential. Become the backbone of success. Enrol today and unlock the thriving world of Office Administration in the UK! Get a Quick Look at The Course Content: This Office Administration Course will help you to learn: Employ advanced communication skills to thrive in any business environment. Implement organisational strategies to ensure efficiency and productivity. Master negotiation techniques to secure advantageous outcomes. Manage stress effectively to maintain a healthy work-life balance. Develop leadership qualities to excel in your chosen career path. This course covers the topic you must know to stand against the tough competition. The future is truly yours to seize with this Office Administration. Enrol today and complete the course to achieve a certificate that can change your career forever. Details Perks of Learning with IOMH One-To-One Support from a Dedicated Tutor Throughout Your Course. Study Online - Whenever and Wherever You Want. Instant Digital/ PDF Certificate. 100% Money Back Guarantee. 12 Months Access. Process of Evaluation After studying the course, an MCQ exam or assignment will test your skills and knowledge. You have to get a score of 60% to pass the test and get your certificate. Certificate of Achievement Certificate of Completion - Digital / PDF Certificate After completing the Office Administration course, you can order your CPD Accredited Digital / PDF Certificate for £5.99.  Certificate of Completion - Hard copy Certificate You can get the CPD Accredited Hard Copy Certificate for £12.99. Shipping Charges: Inside the UK: £3.99 International: £10.99 Who Is This Course for? Individuals seeking a rewarding career in Office Administration. Existing professionals looking to refine their skills and climb the ladder. Business owners are eager to empower their teams with essential administrative expertise. Anyone seeking to enhance their organisational and communication skills for personal growth. Requirements You don't need any educational qualification or experience to enrol in the Office Administration course. Do note: you must be at least 16 years old to enrol. Any internet-connected device, such as a computer, tablet, or smartphone, can access this online course.   Career Path This UK-focused Office Administration course paves the way for a diverse range of rewarding careers, including: Executive Assistant - £32,000 to £48,000/year. Office Manager - £18,000 to £38,000/year. Sales Administrator - £17,000 to £28,000/year. Receptionist - £16,000 to £24,000/year. Customer Service Advisor - £18,000 to £26,000/year. Course Curriculum Office Administration Module 1: Introduction to Office Administration 00:17:00 Module 2: Skills of an Effective Administrator 00:18:00 Module 3: Business Writing Skills 00:39:00 Module 4: Communication Skills 00:27:00 Module 5: Managing Meetings and Giving Feedback 01:29:00 Module 6: Organisational Skills 01:18:00 Module 7: Telephone Etiquette 01:09:00 Module 8: Negotiation Techniques 00:18:00 Module 9: Conflict Management 00:16:00 Module 10: Stress Management 00:18:00 Module 11: Time Management 00:39:00 Assignment Assignment - Office Administration 00:00:00

Overview of Carpentry Course Join our Carpentry Course and discover your hidden skills, setting you on a path to success in this area. Get ready to improve your skills and achieve your biggest goals. The Carpentry Course has everything you need to get a great start in this sector. Improving and moving forward is key to getting ahead personally. The Carpentry Course is designed to teach you the important stuff quickly and well, helping you to get off to a great start in the field. So, what are you looking for? Enrol now! This Carpentry Course will help you to learn: Learn strategies to boost your workplace efficiency. Hone your skills to help you advance your career. Acquire a comprehensive understanding of various topics and tips. Learn in-demand skills that are in high demand among UK employers This course covers the topic you must know to stand against the tough competition. The future is truly yours to seize with this Carpentry Course. Enrol today and complete the course to achieve a certificate that can change your career forever. Details Perks of Learning with IOMH One-To-One Support from a Dedicated Tutor Throughout Your Course. Study Online - Whenever and Wherever You Want. Instant Digital/ PDF Certificate. 100% Money Back Guarantee. 12 Months Access. Process of Evaluation After studying the course, an MCQ exam or assignment will test your skills and knowledge. You have to get a score of 60% to pass the test and get your certificate. Certificate of Achievement Certificate of Completion - Digital / PDF Certificate After completing the Carpentry Course, you can order your CPD Accredited Digital / PDF Certificate for £5.99.  Certificate of Completion - Hard copy Certificate You can get the CPD Accredited Hard Copy Certificate for £12.99. Shipping Charges: Inside the UK: £3.99 International: £10.99 Who Is This Course for? This Carpentry Course is suitable for anyone aspiring to start a career in relevant field; even if you are new to this and have no prior knowledge, this course is going to be very easy for you to understand.  On the other hand, if you are already working in this sector, this course will be a great source of knowledge for you to improve your existing skills and take them to the next level.  This course has been developed with maximum flexibility and accessibility, making it ideal for people who don't have the time to devote to traditional education. Requirements You don't need any educational qualification or experience to enrol in the Carpentry Course course. Do note: you must be at least 16 years old to enrol. Any internet-connected device, such as a computer, tablet, or smartphone, can access this online course. Career Path The certification and skills you get from this Carpentry Course can help you advance your career and gain expertise in several fields, allowing you to apply for high-paying jobs in related sectors. Course Curriculum Module 1: Introduction to Carpentry Introduction to Carpentry 00:16:00 Module 2: Tool Checklist and Use Tool Checklist and Use 00:24:00 Module 3: Building Materials Building Materials 00:17:00 Module 4: Adhesives and Fasteners Adhesives and Fasteners 00:22:00 Module 5: Floor Systems Floor Systems 00:18:00 Module 6: Wall Framing Wall Framing 00:16:00 Module 7: Roof Framing and Siding Roof Framing and Siding 00:22:00 Module 8: Windows and Exterior Doors Windows and Exterior Doors 00:20:00 Module 9: Stair Construction Stair Construction 00:14:00 Module 10: Concrete Construction Concrete Construction 00:19:00 Assignment Assignment - Carpentry 00:00:00

Scientific information demonstrates that workplace safety and efficiency are paramount. Enrol in our PUWER course and delve into comprehensive modules covering essential aspects of work equipment regulations, selection, functionality, inspection, and maintenance. Equip yourself with the knowledge to ensure the highest standards of safety and compliance.

It is estimated that 81% of security breaches take place because of weak or stolen passwords. This type of breach is therefore preventable, but only if employees understand how easy it can take place and what their role is in preventing them. This microlearning video covers the various ways that cyber criminals easily penetrate accounts via personal passwords and how to prevent them from doing so. Learning Objectives Assess your current password habits and identify actionable steps you can implement immediately to strengthen your online security and protect your organization against cybercrime.;Evaluate various methods employed by cybercriminals to obtain passwords in order to understand the vulnerabilities and risks associated with each approach.;Apply effective password security practices to enhance personal and organizational cybersecurity resilience.

Delve into the world of data analysis with 'R Programming for Data Science,' a course designed to guide learners through the intricacies of R, a premier programming language in the data science domain. The course opens with a broad perspective on data science, illuminating the pivotal role of R in this field. Learners are then introduced to R and RStudio, equipping them with the foundational tools and interfaces essential for R programming. The curriculum progresses with an introduction to the basics of R, ensuring learners grasp the core principles that underpin more complex operations. A highlight of this course is its in-depth exploration of R's versatile data structures, including vectors, matrices, factors, and data frames. Each unit is crafted to provide learners with a comprehensive understanding of these structures, pivotal for effective data handling and manipulation. The course also emphasizes the importance of relational and logical operators in R, key elements for executing data operations. As the course advances, learners will engage with the nuances of conditional statements and loops, essential for writing efficient and dynamic R scripts. Moving into more advanced territories, the course delves into the creation and usage of functions, an integral part of R programming, and the exploration of various R packages that extend the language's capabilities. Learners will also gain expertise in the 'apply' family of functions, crucial for streamlined data processing. Further units cover regular expressions and effective strategies for managing dates and times in data sets. The course concludes with practical applications in data acquisition, cleaning, visualization, and manipulation, ensuring learners are well-prepared to tackle real-world data science challenges using R. Learning Outcomes Develop a foundational understanding of R's role in data science and proficiency in RStudio. Gain fluency in R programming basics, enabling the handling of complex data tasks. Acquire skills in managing various R data structures for efficient data analysis. Master relational and logical operations for advanced data manipulation in R. Learn to create functions and utilize R packages for expanded analytical capabilities. Why choose this R Programming for Data Science course? Unlimited access to the course for a lifetime. Opportunity to earn a certificate accredited by the CPD Quality Standards and CIQ after completing this course. Structured lesson planning in line with industry standards. Immerse yourself in innovative and captivating course materials and activities. Assessments designed to evaluate advanced cognitive abilities and skill proficiency. Flexibility to complete the Course at your own pace, on your own schedule. Receive full tutor support throughout the week, from Monday to Friday, to enhance your learning experience. Unlock career resources for CV improvement, interview readiness, and job success. Who is this R Programming for Data Science course for? Beginners in data science eager to learn R programming. Data analysts and scientists looking to enhance their skills in R. Researchers in various fields requiring advanced data analysis tools. Statisticians seeking to adopt R for more sophisticated data manipulations. Professionals in finance, healthcare, and other sectors needing data-driven insights. Career path Data Scientist (R Expertise): £30,000 - £70,000 Data Analyst (R Programming Skills): £27,000 - £55,000 Bioinformatics Scientist (R Proficiency): £35,000 - £60,000 Quantitative Analyst (R Knowledge): £40,000 - £80,000 Research Analyst (R Usage): £25,000 - £50,000 Business Intelligence Developer (R Familiarity): £32,000 - £65,000 Prerequisites This R Programming for Data Science does not require you to have any prior qualifications or experience. You can just enrol and start learning.This R Programming for Data Science was made by professionals and it is compatible with all PC's, Mac's, tablets and smartphones. You will be able to access the course from anywhere at any time as long as you have a good enough internet connection. Certification After studying the course materials, there will be a written assignment test which you can take at the end of the course. After successfully passing the test you will be able to claim the pdf certificate for £4.99 Original Hard Copy certificates need to be ordered at an additional cost of £8. Course Curriculum Unit 01: Data Science Overview Introduction to Data Science 00:01:00 Data Science: Career of the Future 00:04:00 What is Data Science? 00:02:00 Data Science as a Process 00:02:00 Data Science Toolbox 00:03:00 Data Science Process Explained 00:05:00 What's next? 00:02:00 Unit 02: R and RStudio Engine and coding environment 00:03:00 Installing R and RStudio 00:04:00 RStudio: A quick tour 00:04:00 Unit 03: Introduction to Basics Arithmetic with R 00:03:00 Variable assignment 00:04:00 Basic data types in R 00:03:00 Unit 04: Vectors Creating a vector 00:05:00 Naming a vector 00:04:00 Arithmetic calculations on vectors 00:07:00 Vector selection 00:06:00 Selection by comparison 00:04:00 Unit 05: Matrices What's a Matrix? 00:02:00 Analyzing Matrices 00:03:00 Naming a Matrix 00:05:00 Adding columns and rows to a matrix 00:06:00 Selection of matrix elements 00:03:00 Arithmetic with matrices 00:07:00 Additional Materials 00:00:00 Unit 06: Factors What's a Factor? 00:02:00 Categorical Variables and Factor Levels 00:04:00 Summarizing a Factor 00:01:00 Ordered Factors 00:05:00 Unit 07: Data Frames What's a Data Frame? 00:03:00 Creating Data Frames 00:20:00 Selection of Data Frame elements 00:03:00 Conditional selection 00:03:00 Sorting a Data Frame 00:03:00 Additional Materials 00:00:00 Unit 08: Lists Why would you need lists? 00:01:00 Creating a List 00:06:00 Selecting elements from a list 00:03:00 Adding more data to the list 00:02:00 Additional Materials 00:00:00 Unit 09: Relational Operators Equality 00:03:00 Greater and Less Than 00:03:00 Compare Vectors 00:03:00 Compare Matrices 00:02:00 Additional Materials 00:00:00 Unit 10: Logical Operators AND, OR, NOT Operators 00:04:00 Logical operators with vectors and matrices 00:04:00 Reverse the result: (!) 00:01:00 Relational and Logical Operators together 00:06:00 Additional Materials 00:00:00 Unit 11: Conditional Statements The IF statement 00:04:00 IFELSE 00:03:00 The ELSEIF statement 00:05:00 Full Exercise 00:03:00 Additional Materials 00:00:00 Unit 12: Loops Write a While loop 00:04:00 Looping with more conditions 00:04:00 Break: stop the While Loop 00:04:00 What's a For loop? 00:02:00 Loop over a vector 00:02:00 Loop over a list 00:03:00 Loop over a matrix 00:04:00 For loop with conditionals 00:01:00 Using Next and Break with For loop 00:03:00 Additional Materials 00:00:00 Unit 13: Functions What is a Function? 00:02:00 Arguments matching 00:03:00 Required and Optional Arguments 00:03:00 Nested functions 00:02:00 Writing own functions 00:03:00 Functions with no arguments 00:02:00 Defining default arguments in functions 00:04:00 Function scoping 00:02:00 Control flow in functions 00:03:00 Additional Materials 00:00:00 Unit 14: R Packages Installing R Packages 00:01:00 Loading R Packages 00:04:00 Different ways to load a package 00:02:00 Additional Materials 00:00:00 Unit 15: The Apply Family - lapply What is lapply and when is used? 00:04:00 Use lapply with user-defined functions 00:03:00 lapply and anonymous functions 00:01:00 Use lapply with additional arguments 00:04:00 Additional Materials 00:00:00 Unit 16: The apply Family - sapply & vapply What is sapply? 00:02:00 How to use sapply 00:02:00 sapply with your own function 00:02:00 sapply with a function returning a vector 00:02:00 When can't sapply simplify? 00:02:00 What is vapply and why is it used? 00:04:00 Additional Materials 00:00:00 Unit 17: Useful Functions Mathematical functions 00:05:00 Data Utilities 00:08:00 Additional Materials 00:00:00 Unit 18: Regular Expressions grepl & grep 00:04:00 Metacharacters 00:05:00 sub & gsub 00:02:00 More metacharacters 00:04:00 Additional Materials 00:00:00 Unit 19: Dates and Times Today and Now 00:02:00 Create and format dates 00:06:00 Create and format times 00:03:00 Calculations with Dates 00:03:00 Calculations with Times 00:07:00 Additional Materials 00:00:00 Unit 20: Getting and Cleaning Data Get and set current directory 00:04:00 Get data from the web 00:04:00 Loading flat files 00:03:00 Loading Excel files 00:05:00 Additional Materials 00:00:00 Unit 21: Plotting Data in R Base plotting system 00:03:00 Base plots: Histograms 00:03:00 Base plots: Scatterplots 00:05:00 Base plots: Regression Line 00:03:00 Base plots: Boxplot 00:03:00 Unit 22: Data Manipulation with dplyr Introduction to dplyr package 00:04:00 Using the pipe operator (%>%) 00:02:00 Columns component: select() 00:05:00 Columns component: rename() and rename_with() 00:02:00 Columns component: mutate() 00:02:00 Columns component: relocate() 00:02:00 Rows component: filter() 00:01:00 Rows component: slice() 00:04:00 Rows component: arrange() 00:01:00 Rows component: rowwise() 00:02:00 Grouping of rows: summarise() 00:03:00 Grouping of rows: across() 00:02:00 COVID-19 Analysis Task 00:08:00 Additional Materials 00:00:00 Assignment Assignment - R Programming for Data Science 00:00:00