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Data Analytics News
Medium
2d
369
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From Data to Decisions: Transforming Cardiovascular Care through Predictive Analytics
- The article discusses how predictive analytics can transform cardiovascular care by identifying patterns that can be used for early detection and prevention strategies.
- The article uses the Agile methodology to iteratively develop and refine predictive models based on the data-driven insights obtained during each sprint phase.
- Four models were considered among the best for predicting cardiovascular disease: Random Forest Classifier, Gradient Boosting Classifier, Logistic Regression, and Fine-tuned GBC.
- Random Forest Classifier works well for classification tasks, Gradient Boosting Classifier can deal with imbalanced data sets, Logistic Regression is valuable for understanding the relationship between target and features, and the Fine-tuned GBC model was well-suited for predicting cardiovascular disease and adept at navigating the complex interactions typical of medical data.
- The data for the study was classified into objective, examination, and subjective features, and the best model was found to be GBC.
- The evaluation of these models using AUC and F1 Score metrics offers a thorough analysis of their classification accuracy concerning cardiovascular disease risk.
- The model's ability to enhance early detection of cardiovascular diseases can significantly reduce late-stage diagnosis rates of CVD among the screened population, reducing the burden associated with treatments.
- By preventing advanced stages of cardiovascular diseases through early intervention, the model would lead to a noticeable decrease in the financial burden associated with CVD treatments, such as hospital admissions, surgeries, and long-term care.
- The model would have a practical impact by increasing the rate of early-stage CVD detection, improving patient management and treatment outcomes.
- The results from the Fine-tuned GBC model demonstrated its effectiveness for predicting cardiovascular diseases and its superior prediction accuracy, particularly when integrating various data types.
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TechBullion
2d
15
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An Insights Into The Software Development Market: Interview Vention CEO and co-founder, Sergei Kovalenko.
- Sergei Kovalenko, CEO and co-founder of Vention Solutions, offers insights into the state of software development heading into 2024, VC funding landscape’s sparking concerns among startups and the impact of Artificial Intelligence on software developers.
- Kovalenko emphasizes the importance of integrating Artificial Intelligence (AI) capabilities into business models, highlighting Vention's expertise in AI/ML, application development, cloud, data analytics, DevOps, IoT, mobile, and web.
- Vention’s 2024 technology business trends survey says AI is critical to success, with 96% of surveyed companies recognizing AI expertise as essential within their teams.
- Kovalenko points out that seed-stage companies lean towards predictive analytics and chatbots, while scaling companies prioritize predictive analytics, cybersecurity, and task streamlining.
- Kovalenko believes AI integrations such as ChatGPT in the finance industry can help with identifying and managing problematic communications avoiding potential compliance issues.
- Finding and retaining software talent can be challenging, and partnering with a company such as Vention can demonstrate potential for long-term success to secure VC funding.
- Despite slowing VC funding due to unprecedented global events, Kovalenko is optimistic about the future of software development and expects continued growth in the industry due to the increased demand for companies to keep pace with emerging technologies.
- Vention is launching the inaugural International Invention Day and the first-ever In:Vention Incubator, an incubator program offering free custom software development services for three months, recognizing human creativity and ingenuity and showcasing groundbreaking innovations that shape our world.
- Vention is continuing to expand its global footprint and enhance client services to all regions, operating in nearly 15 countries, with the newest software development hub in Mexico City.
- At Vention, passion-driven innovation encompassing our ethos, a people-first approach, and embracing change are what make Vention unique.
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TechBullion
2d
260
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Pioneering Invention Through Software Development with Vention CEO and co-founder, Sergei Kovalenko
- Vention Solutions are powering startups and companies with high-value software development solutions to achieve their vision, powered by talented Ventioneers engineers who have expertise in AI/ML, application development, cloud, data analytics, DevOps, IoT, mobile, and web technology.
- As AI continues to grow rapidly, custom software development is rapidly evolving due to increasing demand by unlocking newer capabilities, such as generative AI and chatbots, making organizations focus on problem-solving, streamlining functions, and enhancing user experiences
- Vention seeks to continue promoting education in software development in their endeavors by encouraging sharing of knowledge through learning sessions, reports, and blog posts to consistently upgrade development capabilities
- AI is gradually becoming synonymous with enhancing customer self-service capabilities like chatbots to maintain strong relationships in fintech and other industries while keeping track of regulatory compliance rules
- The VC landscape is in flux, with the Covid crisis slowing down funding. Startups need to show a clear path to profitability, optimize the stability and cash flow and focus on AI technology, especially AI-driven software solutions, to remain appealing to investors.
- Vention provides the CTO as a Service initiative that enables startups to tap into the right talent for strategic leadership and technical oversight, both valuable for startups' success.
- Vention is expanding its services globally and empowering its staff in line with its people-first approach policy to make their clients' high-risk software projects easier.
- Vention is launching the International Invention Day to celebrate innovation and creativity of any ideas that contribute positively to humanity.
- Vention has launched the In-Vention Incubator program, inviting start-ups worldwide. This program offers free software engineering services for three months, reflecting a $150K in-house market value.
- Vention regards their vision every step of the way; they continue to put people at the forefront of their practice, emphasizing skill development, relocation, and fostering a global team. They aim to provide technology leaders with top talent and the flexibility to accelerate their roadmap, innovate faster and scale operations exponentially.
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Medium
2d
7
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Unveiling Hidden Connections: The Power of Network Graph Visualization
- Network graphs comprise nodes (representing entities) and edges (depicting connections between entities).
- Network graphs provide insights into complex biological systems, identifying key proteins involved in various pathways.
- Implementation of network graph scenarios in Python can be done using NetworkX.
- Network graph visualization helps uncover hidden patterns and make data-driven decisions.
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Medium
2d
42
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How To Handle Incoming Data Request Like A Pro — A Data Analyst’s Guide
- Understand the request and evaluate feasibility & readiness
- Acknowledge the request and express interest
- Choose the appropriate communication channel and uncover the underlying purpose and motivation
- Understand the desired outcome and tangible deliverables for the project
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Medium
2d
308
Exploring Product Utility Measures — Post #12
- The concept of product utility and its growth in the digital industry is being explored.
- The measure of Consumer and End-User Product Value (CEPV) is important in assessing product utility.
- Product managers and development teams should focus on enhancing user flow and achieving value exchange.
- Future blog posts will delve deeper into this topic.
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Medium
2d
105
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Conquer Career Gaps: 5 Reasons to Pursue Data Science as a Fresh Start
- Data science can be an excellent fit for a fresh start and career gaps should not be seen as a barrier.
- Career gaps can provide valuable transferable skills that are highly valuable in data science.
- Continuous learning and adaptability are important in the field of data science.
- Data science offers diverse opportunities and learning resources without the need for a specific degree.
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Medium
2d
136
Data Analysis with Python: Basic Concepts
- Lists are one of the basic data structures used for data manipulation in Python.
- Functions allow for creating reusable blocks of code in Python.
- Conditions in Python are created using if, elif, and else statements for evaluating situations and performing different actions accordingly.
- Loops in Python, such as for and while loops, allow for repeating operations based on specific conditions or a certain number of times.
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TechBullion
2d
144
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What Factors Have Led To The Rapid Growth Of The Data Warehousing Market?
- Data warehousing plays a vital role in businesses to draw data from distinct sources, trace trends, visualize patterns, and aid in informed decision-making processes.
- Data warehouses are created to support analytical purposes of data-driven decision-making mainly.
- Data Warehousing Consulting offers expertise in designing, optimizing, and managing data ecosystems that align with organizational objectives.
- Data warehousing in a cloud-based context has scalability, agility, and cost-saving opportunities handy.
- Real-time stream processing platforms and IoT technology like Apache Kafka, Apache Flink, etc., enables quick responses to data discoveries.
- Augmented analytics, embedded analytics, advanced visualization, and advanced edge computing are some modern techniques for data warehousing.
- Privacy-preserving analytics techniques, like homomorphic encryption and differential privacy, help in analyzing sensitive data while protecting individual privacy.
- Zero Trust Security Model guarantees that access to the data warehouse is closely regulated and monitored, lowering the risk of unauthorized access and data breaches.
- The CIO (Chief Information Officer) must strive to increase public awareness of the usage of ODFS data warehouses.
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Towards Data Science
2d
157
Image Credit: Towards Data Science
A Whimsical Journey Through Wait Times
- When we start our wait for the next edit on the Wikipedia page, we don't know what kind of page we're on.
- Likewise, when we call customer service and are put on hold, at the start we don't know what kind of customer service we're waiting on.
- The lottery doesn't care how long we've waited for a win, whether we just won or haven't won for a year, our anticipated additional wait until the next win is almost always between 126 days and 133 days.
- Exponential distributions only model 'Lottery-Win'-like data where expected wait remains the same regardless of a person's wait so far.
- Weibull distribution is used for waits that have memory where people expect different waits based on how long they've already waited.
- Carl Herold recommends using a Weibull distribution for analyzing wait times with Python.
- Weibull distribution fits popcorn waits well where the longer people wait, the less they expect to wait.
- Empirical data distribution analysis should be used when data doesn't fit the Weibull distribution.
- Carl Herold is a scientific programming writer on Medium writing on Rust and Python, machine learning, and statistics in about one article per month.
- The article talks about three types of waiting: Wikipedia wait, customer service wait, and weekly lottery ticket.
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Medium
2d
189
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Is the Microsoft and LinkedIn Data Analysis Course Worth It? Here’s My Take
- The Microsoft and LinkedIn Data Analysis Course provides valuable insights for those interested in a career in Data Science.
- The course focuses on important concepts such as data governance and data quality.
- Advanced topics like ETL processes and working with large datasets are also covered.
- The course offers practical skills for data analysis and presentation.
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11 Likes
Medium
2d
218
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Data Cleaning and Preparation in Excel
- Cleaning data is super important before you start analysing it.
- Excel has become my preferred tool for data cleaning because of its effectiveness.
- I used Flash Fill to remove strange characters from names, Find and Replace to substitute hyphens with spaces, and the PROPER formula to capitalize the first letter.
- Inconsistent data in the Height and Weight columns were fixed by converting all measurements to the same unit of measurement.
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Medium
3d
170
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Visualize Objectron Dataset with Rerun
- This example visualizes the Objectron database, a rich collection of object-centric video clips accompanied by AR session metadata.
- The dataset provides high-resolution images, object pose, camera pose, point-cloud, and surface plane information for each sample.
- Manually annotated 3D bounding boxes enable precise object localization and orientation.
- The visualization is done using Rerun code to reproject the objects in the 2D camera view.
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10 Likes
Medium
3d
115
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Building an Interactive Arc Diagram in React and D3.js
- Arc diagrams are useful for displaying directed relationships simplifying complex networks by emphasising the connections over node placement.
- The author uses React and D3.js to build an Arc Diagram that shows the relationship between user journey between apps.
- React is used to update the DOM while D3.js provides the math and position of the chart elements.
- In building the Nodes, a D3 Linear Scale is used to place the nodes in a line in the center of the SVG, while a colour scale is used to color each of them.
- A linear scale is also used to adjust the minimum and maximum node radius size, by the array of counts for the nodes.
- A path with an arc is used to create the links between the nodes, representing the relationships between nodes effectively through the arc drawn.
- A scale for thickness is created to ensure the thickness of the link is adjustable.
- A gradient of both the node colours is added to the links with linearGradients in the definitions section of the SVG, applied to the SVG elements using a url.
- The completed Arc Diagram can then be used to display complex network data in a simplified, visually attractive manner.
- A better understanding of the layout of complex networks can be obtained by using React and D3.js together to create visually stunning diagrams.
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6 Likes
Medium
3d
346
Image Credit: Medium
Revamping Pew’s Fiscal 50 with Dynamic Visualizations
- The fiscal 50 website has been relaunched and revamped, turning the platform into a more modern, mobile-first site with a greater emphasis on state-by-state offerings.
- The project was a collaboration between Pew, which began the fiscal 50 in 2010 and is reputable for its research activities; and Graphicacy, which designs analytics solutions for clients.
- The partnership created state-focused pages, which include eight key indicators and interactive dot plots that can be expanded to show specific information.
- The site has also been equipped with data-driven information, which provides insights specific to each state. This will be updated regularly, and through the use of tokens and values, helps to reduce labor time for the Pew staff.
- Each page includes a series of charting systems including a map, line chart, area chart, several different versions of tile maps, and bar charts.
- Graphicacy built the toolkit for the site, which includes the aforementioned charting systems and a data-driven text engine that can automatically update meaningful data insights.
- The Pew team was very pleased with the final results, specifically how the new graphics and pages were created with a focus on modern browsers and mobile devices.
- The Pew team is excited for the ongoing relationship with Graphicacy and looks forward to continually refining the site and enhancing the toolkit as many new content updates will need to be added.
- The partnership between Pew and Graphicacy created a comprehensive charting system, which allows for Pew to contribute more towards their platform and to continue to provide high-quality analytical support for years to come.
- The revamped Fiscal 50 provides readers with a more modern website that retains in-depth analysis, provides readers with more insight specific to each state, enables readers to more easily access information on mobile devices, and improves the experience of those wishing to view key fiscal indicators.
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