tutorials-blog

How to Code in TypeScript

21/08/2023: TypeScript is a typed superset of JavaScript that provides optional static typing, classes, interfaces, and other features to help build robust applications at scale. This guide will walk through the key aspects of coding in TypeScript with examples. This material is taken from our Typescript training courses, JBI training can supply a complete solution for your training in typescript either as an individual or for an entire team. If you are interested in training or customising a course, simply get in touch and we'd be delighted to assist. Introduction to TypeScript TypeScript adds type...

How to Migrate from JavaScript to TypeScript

21/08/2023: TypeScript has rapidly grown in popularity as a way to create more robust JavaScript applications. This guide covers the key steps involved in migrating an existing JavaScript codebase to TypeScript. JBI Training offers a complete solution to all of your Typescript Training requirements. To train a team, customise a course or find out more simply get in touch and our dedicated advisors will be happy to help. Introduction TypeScript extends JavaScript syntax with type annotations and other features like classes and interfaces. The additional type information allows catching errors during...

How to Create Top N Parameter in Tableau

18/08/2023: Allowing users to filter views to show the top or bottom N values is a common requirement in Tableau. Using parameters makes this flexible for end users. In this article, you'll learn how to create Top N parameters in Tableau Desktop to dynamically rank and filter data. This article is part of our on-going blog series of useful 'how-to' guide in Tableau. The material from JBI Trainings is part of our tableau courses which can be accessed remotely or in person in London. Simply follow the link to participate in the training for you or your team. Tableau Training London Introduction to...

How to Query in Tableau

18/08/2023: Tableau offers powerful options for querying your data beyond just dragging fields to shelves. Learning how to write custom SQL queries gives you greater control and flexibility. JBI Training offers a number of options for you and your team to train in Tableau. Our blog material and guides are just the start of your Tableau training adventure. If you are considering training your team, get in contact to place them on our Tableau Course In this article, you'll learn: Basic SQL query syntax Building queries on database views Using parameters in queries Query performance tips Let's dive...

How to Show Top N in Tableau

17/08/2023: Displaying the top or bottom values in your data is a common task in Tableau. The Top N feature allows you to quickly filter your views to the most or least significant rows. In this article, you'll learn multiple methods for showing the top and bottom records in Tableau Desktop. The material from this article is part of our tableau course. JBI Training can supply training in Tableau to your entire team. Introduction to Top N in Tableau Analysing the top and bottom performers in your data is crucial for many business objectives. For example: Identifying top-selling products to promote...

How to Concatenate in Tableau

16/08/2023: Combining multiple fields together into a single field is known as concatenation in Tableau. This allows you to merge text from different columns, blend data sources, and create new calculated fields. Concatenation is a handy technique for data preparation and shaping that enables more customised analysis. This topic is taught on Tableau training courses including courses run by JBI Training. In this guide, you'll learn what concatenation is, why it's useful, and how to concatenate fields in Tableau using both calculated fields and table calculations. What is Field Concatenation in Tableau?...

How to Add Filter in Tableau Dashboard

16/08/2023: Introduction Tableau is one of the most popular business intelligence and data visualisation platforms used today. It allows you to connect to data, build interactive dashboards, and gain insights through analytics. A key feature in Tableau is the ability to filter your data. Adding filters to a Tableau dashboard allows you to focus on particular data points, highlight key trends and patterns, and simplify complex views for clearer analysis. In this step-by-step guide, you'll learn how to add and configure filters in Tableau dashboards. We'll cover the basics of filter shelves, settings,...

Which companies prefer Python?

15/08/2023: Python has become one of the most in-demand programming languages across industries. Its versatility and large ecosystem make it a preferred choice for companies ranging from tech giants to early-stage startups. Python is especially popular at organisations leveraging data science, machine learning, and automation, with teams of staff tat top companies regularly placed on python data analyst courses from tech training companies such as JBI Training. An Introduction to Python Adoption Released in 1991, Python has gradually gained mainstream popularity thanks to its user-friendly syntax,...

Is Python Good for Finance?

15/08/2023: With finance going increasingly digital, the importance of leveraging quality data and automation continues to grow. This makes Python, with its large ecosystem of specialised libraries, an intriguing option for financial analysts and developers. But is Python truly a good match for the diverse needs of finance? An Introduction to Using Python in Finance Modern finance rests on processing data to uncover insights, build models, and improve decision-making. Python makes these tasks more effective through its strengths in data manipulation, visualisation, and rapid development capabilities....

How Many Days Required to Learn Python for Data Analysis?

14/08/2023: Learning Python is an investment that pays off in the form of new career opportunities, easier data analysis, and levelling up your programming skills. But how long does it take to learn Python for data analysis? The learning curve depends on your previous coding experience. Below we'll explore the various skills and knowledge that you will need. The easiest and quickest way to start you journey is too take a course in Python data analyst training. An Introduction to Using Python for Data Analysis Python has become one of the most popular languages for data analysis thanks to its versatility...

Is Python useful for corporate finance?

14/08/2023: Finance teams handle essential functions like valuations, forecasting, risk management, and reporting. Is the Python programming language up to these corporate finance tasks? Python brings analytics power, automation capabilities, and versatility. It offers a compelling toolset for financial modelling, analysis, and operational improvements. An Introduction to Using Python in Corporate Finance Corporate finance teams aim to maximize shareholder value through capital budgeting, valuation, forecasting, and strategic planning. Python provides modern tools to enhance these efforts. Leading...

How do I learn data analysis with Python?

11/08/2023: Python has become one of the most popular programming languages for data analysis and data science. Its versatility, large collection of powerful libraries, and ease of use make it a great choice for analysing data and building machine learning models. This comprehensive guide will teach you how to set up your Python environment, learn core programming concepts, analyse and visualise data with popular libraries like Pandas and Matplotlib, and take your data analysis skills to the next level. Python has become one of the most popular programming languages for data analysis and machine...

How to Become a Power BI Developer

10/08/2023: Power BI developers are sought-after analytics professionals that organizations depend on to build impactful data solutions. By leveraging Microsoft’s leading business intelligence platform, these developers transform raw data into actionable insights through intuitive reports, dashboards, and models. If you are interested in Power BI Training, please do take a look at our courses. This article will explore the key skills you need to launch yourself into this rewarding career pathway. Getting Started: An Introduction to the Power BI Developer Role Power BI developers occupy a specialized...

Why Power BI Is The Future Of Interactive Data Visualisation Software

10/08/2023: Introduction Overview of Power BI and its capabilities as a leading data visualization platform Ideations: Introducing, outlining, overviewing Entities: Power BI, data visualization, analytics LSI: Software capabilities, platform features, technology trends Keyword variants: Data viz tools, BI software N-grams: Power BI for interactive dashboards and reports, Why Power BI leads for data visualisations If you are interested in Power BI Training, please do take a look at our courses. Interactive Dashboards Enabling dynamic dashboards with cross-filtering visuals Ideations: Creating, developing,...

7 Vital Roles and Responsibilities of Power BI Developers in Business Analytics

09/08/2023: Power BI developers play a crucial role in enabling organizations to extract impactful insights from their data. By applying specialised skills, these developers create business analytics solutions that transform raw data into tangible value. This article explores the key responsibilities Power BI developers undertake to deliver optimised analytics capabilities. If you are interested in learning Power BI, please do take a look at our courses. Introduction: The Critical Role of Power BI Devs in Analytics With data growing exponentially, companies need specialists who can harness this data...

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