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Data science has created a plethora of job opportunities for aspiring data scientists and many more professions in recent years. Students and working professionals are highly interested to have a strong understanding of different aspects and elements of data science. They constantly look for online courses with 100% placement in reputed companies from different institutions offering courses on data science. Courses on data science are providing a sufficient and deep understanding of all key concepts and hands-on experience with real-life projects to candidates. Let’s explore some of the top universities providing data science courses.MIT, OpenCourseWare
MIT is one of the leading institutes for both teaching and research in the field of modern computing. In 2001, the university launched its OpenCourseWare platform. The aim of which is to make lecture notes, problem sets, exams, and video lectures, for the vast majority of its courses, available for free online.Columbia, Applied Machine Learning
Andreas C. Muller, one of the core developers for the popular Python machine learning library Scikit-learn, is also a Research Scientist and lecturer at Columbia University. Each year he publishes all material for his ‘Applied Machine Learning Course online. All the slides, lecture notes, and homework assignments for the course are available in this Github repo.Stanford, Seminars Free Online Courses, Harvard
Harvard University publishes a selection of completely free online courses on its website. The courses are mostly hosted by edX so you also have the option of pursuing certification for each course for a small payment.Purdue University: Krannert School of Management
Offered through the Krannert School of Management, Purdue University’s Master of Science in Business Analytics and Information Management is a full-time program that starts every year in June and runs for three semesters. The graduate program offers three specializations in supply chain analytics, investment analytics, and corporate finance analytics.DePaul University
DePaul University offers an MS in data science that promises to equip students with the right skills for a career in data science. The program includes a graduate capstone requirement, but you can choose between completing a real-world data analytics project, taking a predictive analytics capstone course, participating in an analytics internship, or completing a master’s thesis.University of Rochester
The University of Rochester offers an MS in Data Science through the Goergen Institute for Data Science. The program can be completed in two or three semesters of full-time study, but the two-semester path includes a rigorous course load, so it’s recommended for students who already have a strong background in computer science and mathematics. For those without a strong background in computer science, you can take an optional summer course that will help get you up to speed before the program starts.New York University
New York University offers an MS in Data Science (MSDS) and offers several concentrations to select from, including data science, big data, mathematics and data, natural language processing, and physics. You’ll need to earn 36 credits to graduate, which takes full-time students an average of two years to complete.Carnegie Mellon University
Carnegie Mellon University offers a Master’s in Computation Data Science (MCDS) through the Tepper School of Business. During your first semester, you will be required to take four core courses: cloud computing, machine learning, interactive data science, and a data science seminar. By the end of the first semester, you will need to select from three concentrations, including systems, analytics, or human-centered data science. Your concentration will help inform the courses you take during the rest of the program.North Carolina State University – Raleigh, North Carolina
North Carolina State University offers an MS in Analytics (MSA) program that’s designed as a 10-month cohort-based learning experience that focuses on teamwork and one-on-one coaching. The graduating MSA class of 2023 had a 95 percent employment rate by graduation, with an average base salary of US$98,200 per year, according to the university.
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The top 10 free online data science courses for beginners in 2023 are in high demand
One of the most in-demand talents in today’s technology industry is data science, and a variety of businesses are searching for qualified data scientists. You’ve come to the correct spot if you want to learn data science and analysis and are seeking some free online data science courses to get started learning this valuable skill.
To learn Data Science from start, enroll in one of these free online data science courses. If you currently work with data analysis, they can help you fill in any knowledge gaps, and the best part is that they are free. In this article, we have listed the top 10 free online data science courses to become a data scientist. So, let’s dive into the best data science courses for beginners in 2023 that have been created by experts and trusted by many developers around the world and they are made free by their instructor for educational purposes.1. An Introduction to Data Science [Udemy Free Course]
One of the top free Data Science courses on Udemy is this one. This course is the ideal choice for you if you learn best visually. You will learn how to manage the data effectively with this training. The fact that this course is brief, easy to follow, and full of value is its most significant quality. More than 2000 students have enrolled in this 44-minute video course so far.2. Essentials of Data Science [FREE Udemy Course]
Another free online course from Udemy to study and comprehend data science is available here. You will realize how significant they are if you delve into the data business. This course is meant to provide you with an overview of the three core areas of data science that are crucial for success and that every effective data scientist should be knowledgeable about.3. What is Data Science? [Coursera FREE Course]
You will be thrilled to enroll in this free course on Coursera, one of the top online learning platforms and likely the best site to learn Data Science and Machine learning, if you are seeking a free introductory course on data science.
4. Data Science Specialization by CodingInvadors (Not FREE)
You may enroll in this live data science training program in 2023 to pick up all the skills you need to succeed as a data analyst. The course covers the foundations of data science, and you will gain knowledge of essential tools including Python, PostgreSQL, Jupyter, Statsmodel, Pandas, Scikit-Learn, PowerBI, and Git.5. Intro to Data for Data Science [FREE Udemy Course]
You may enroll in this additional online course in data science from Udemy for nothing. You will interact with data in data analysis, of course, and you can’t succeed as a data analyst if you can’t grasp the data. You will learn more about science and data in this course.6. Introduction to Data Science using Python [Free Course Udemy]
One of the simplest data science online courses you’ll discover online is this one. Python programming, the most widely used programming language for data scientists worldwide, is covered in this 2.5-hour video course on data science.7. IBM Data Science Professional Certificate [Coursera]
The IBM platform was especially considered when creating this Coursera course. You will learn all the fundamentals of Data Science in the IBM cloud environment with this course. Although this course is comprehensive, it will serve as your one-stop shop for all your data analysis needs.8. Data Science for Everyone [Free Course by DataCamp]
You may enroll in an excellent free online course to study data science. DataCamp, one of the top interactive learning platforms for data-related skills including data analysis and data science, is the provider of this course. There is no coding required for this course’s introduction to data science.9. Learn Data Science with R Part 1 of 10 [Free Udemy Course]
While Python is undoubtedly the finest computer language, it is not the only one that can be used for data science. This course will teach you how to utilize R for data science. This free course on Udemy is undoubtedly a fantastic resource to attend if you want to master Data Science using the R programming language.10. NumPy for Data Science Beginners: 2023 [Udemy Free Course]
Data is huge and complex at the same time. The requirement for software that makes the best use of the data available always persists. This is exactly where data science software comes into play. As organizations rely heavily on data, choosing the right software for the same is critical. We have come up with a list of the top 10 data science software businesses should use in 2023. Have a look!Keras
Keras, a programming interface, enables data scientists to easily access and use a machine learning platform. An interesting feature to note is that it is an open-source deep-learning API and framework that is written in Python.Integrate.io
How about a platform that brings all data sources together? Well, this is exactly what chúng tôi has in store for you. It is data integration, ETL, and an ELT platform that can bring all your data sources together. This is just the right software you need to build data pipelines.Tensorflow
Tensorflow is that one data science software that lays emphasis on deep learning. This software is launched by Google and is written in C++ and Python. What’s so special about Tensorflow? Well, its capabilities include ML model building either on-premise, on the cloud, in-browser, or on-model.Alteryx
Ever since it was launched in 2023 by MIT data science researchers, Alteryx has evolved to become a proprietary software platform. What has made businesses rely on it is the fact that its most popular open-source tool, “featuretools,” allows the creation of automated feature engineering.Data Robot
If you are looking for a platform that aims at automated machine learning, then Data Robot is all that you need. In addition to providing an easy deployment process, it allows parallel processing and model optimization. It is because of this reason that this data science software is used by data scientists, executives, software engineers, and IT professionals.Trifacta Wrangler
This excellent data science software will help you in exploring, transforming, cleaning, and joining the desktop files together. How amazing is that?KNIME
This remarkable software enables data scientists to blend tools and data types. It is an open-source platform that allows users to use the tools of their choice. Not just that – they can expand them with additional capabilities. KNIME stands for the ability to work with many data sources and different types of platforms.Apache Spark
Apache Spark is an open-source data processing and analytics engine that is all you need when the objective involves handling large amounts of data. Additionally, the ability of this data science software to rapidly process data has led to significant growth in the use of the platform.Python
Almost all the businesses rely on Python as it comes with a large standard library. This high-level programming language has the features of object-oriented, functional, procedural, dynamic type, and automatic memory management. The fact that Python is extensible makes it way more accepted.RapidMiner
RapidMiner is yet another open-source data science tool that has gained wide recognition in time. Its self-explanatory drag-and-drop application is one among the many remarkable features that make RapidMiner a part of the top 10 data science software businesses should use in 2023.
Debunking the top 10 data science myths that you should ignore in the year 2023
In the world of Big Data, there are numerous job profiles available, such as Data Engineers, Data Analysts, Data Scientists, Business Analysts, and so on. Beginners need clarification on these profiles, as Data Scientist is the most popular and sought-after. They require assistance in determining whether Data Science is a good fit and identifying the best resources. There are several misconceptions about data science myths. As a data scientist, there are several data science myths to ignore for a successful career.
Transitioning into data science is difficult, not because you need to learn math, statistics, or programming. You must do so, but you must also combat the myths you hear from others and carve your path through them! In this article let us see the top 10 data science myths that you should ignore in 2023.
Myth 1 – Data Scientists Need to Be Pro-Coders
Your job as a Data Scientist would be to work extensively with data. Pro-coding entails working on the competitive programming end and having a strong understanding of data structures and algorithms. Excellent problem-solving abilities are required. Languages like Python and R in Data Science provide strong support for multiple libraries that can be used to solve complex data-related problems.
Myth 2 – Ph.D. or Master’s Degree is Necessary
This statement is only partly correct. It will be determined by the job role. A Master’s or Ph.D. is required if you want to work in research or as an applied scientist. However, if you want to solve complex data mysteries using Deep Learning/Machine Learning, you will need to use Data Science elements such as libraries and data analysis approaches. If you do not have a technical background, you can still enter the Data Science domain if you have the necessary skill sets.
Myth 3- All Data Roles are the Same
People believe that Data Analysts, Data Engineers, and Data Scientists all perform the same function. Their responsibilities, however, are completely different. The confusion arises because all of these roles fall under the Big Data umbrella. A Data Engineer’s role is to work on core parts of engineering and build scalable pipelines of data so that raw data from multiple sources can be pulled, transformed, and dumped into downstream systems.
Myth 4 – Data Science Is Only for Graduates of Technology
This is one of the most crucial myths. Many people in the Data Science domain come from non-tech backgrounds. Few people are transitioning from computer science to data science. Companies hire for data science and related positions, and many of those hired come from non-tech backgrounds with strong problem-solving abilities, aptitude, and understanding of business use cases.
Myth 5 – Data Science Requires a Background in Mathematics
As a Data Scientist, being good at math is essential, as data analysis requires mathematical concepts such as data aggregation, statistics, probability, and so on. However, these are not required to become a Data Scientist. We have some great programming languages in Data Science, such as Python and R, that provide support for libraries that we can use for mathematical computations. So, unless you need to innovate or create an algorithm, you don’t need to be a math expert.
Myth 6- Data Science Is All About Predictive Modelling
Data scientists spend 80% of their time cleaning and transforming data, and 20% of their time modeling data. There are numerous steps involved in developing a big data solution. The first step is data transformation. The raw data contains some error-prone values as well as garbage records. We need meaningful transformed data to build an accurate machine-learning model.
Myth 7- Learning Just a Tool Is Enough to Become a Data Scientist
The Data Science profile requires a diverse set of technical and non-technical skills. You must rely on something other than programming or any particular tool that you believe is used in Data Science. We need to interact with stakeholders and work directly with the business to get all of the requirements and understand the data domain as we work on complex data problems.
Myth 8- Companies Aren’t Hiring Freshers
This statement made sense a few years ago. However, today’s freshmen are self-aware and self-motivated. They are interested in learning more about data science and data engineering and are making efforts to do so. Freshers actively participate in competitions, hackathons, open-source contributions, and building projects, which aid in their acquisition of the necessary skill set for the Data Science profile, allowing companies to hire freshers.
Myth 9 – Data Science competitions will make you an expert
Data Science competitions are ideal for learning the necessary skills, gaining an understanding of the Data Science environment, and developing developer skills. However, competition will not help you become a Data Scientist. It will improve the value of your resume. However, to become an expert, you must work on real-world use cases or production-level applications. It is preferable to obtain internships.
Myth 10 – Transitioning cannot be possible in the Data Science domain
Machine learning has the ultimate goal of creating a model that is generalizable. It is important to select the most accurate model by comparing and choosing it correctly. You will need a different holdout than the one you used to train your hyperparameters. You will also need to use statistical tests that are appropriate to evaluate the results.
It is crucial to understand the goals of the users or participants in a data science project. However, this does not guarantee success. Data science teams must adhere to best practices when executing a project in order to deliver on a clearly defined brief. These ten points can be used to help you understand what it means.1. Understanding the Problem
Knowing the problem you are trying to solve is the most important part of solving it. You must understand the problem you are trying to predict, all constraints, and the end goal of this project.
Also read: iPhone 14 Pro Max Is Apple’s New iPhone To Be Launched In September (Know The Release Date, Specification, Rumour & More)2. Know Your Data
Knowing what your data means will help you understand which models are most effective and which features to use. The data problem will determine which model is most successful. Also, the computational time will impact the project’s cost.
You can improve or mimic human decision-making by using and creating meaningful features. It is crucial to understand the meaning of each field, especially when it comes to regulated industries where data may be anonymized and not clear. If you’re unsure what something means, consult a domain expert.3. Split your data
What will your model do with unseen data? If your model can’t adapt to new data, it doesn’t matter how good it does with the data it is given.
You can validate its performance on unknown data by not letting the model see any of it while training. This is essential in order to choose the right model architecture and tuning parameters for the best performance.
Splitting your data into multiple parts is necessary for supervised learning. The training data is the data the model uses to learn. It typically consists of 75-80% of the original data.
This data was chosen randomly. The remaining data is called the testing data. This data is used to evaluate your model. You may need another set of data, called the validation set.
This is used to compare different supervised learning models that were tuned using the test data, depending on what type of model you are creating.
You will need to separate the non-training data into the validation and testing data sets. It is possible to compare different iterations of the same model with the test data, and the final versions using the validation data.
Also read: 30+ Loan Apps Like MoneyLion and Dave: Boost Your Financial Emergency (#3 Is Popular 🔥 )4. Don’t Leak Test Data
It is important to not feed any test data into your model. This could be as simple as training on the entire data set, or as subtle as performing transformations (such as scaling) before splitting.
If you normalize your data before splitting, the model will gain information about the test set, since the global minimum and maximum might be in the held-out data.5. Use the Right Evaluation Metrics
Every problem is unique so the evaluation method must be based on that context. Accuracy is the most dangerous and naive classification method. Take the example of cancer detection.
We should always say “not cancer” if we want to build a reliable model. This will ensure that we are correct 99 percent of the time.
Also read: Top 10 Business Intelligence Tools of 20236. Keep it simple
It is important to select the best solution for your problem and not the most complex. Management, customers, and even you might want to use the “latest-and-greatest.” You need to use the simplest model that meets your needs, a principle called Occam’s Razor.
This will not only make it easier to see and reduce training time but can also improve performance. You shouldn’t try to kill Godzilla or shoot a fly with your bazooka.7. Do not overfit or underfit your model
Overfitting, also called variance, can lead to poor performance when the model doesn’t see certain data. The model simply remembers the training data.
Bias, also known as underfitting, is when the model has too few details to be able to accurately represent the problem. These two are often referred to as “bias-variance trading-off”, and each problem requires a different balance.
Let’s use a simple image classification tool as an example. It is responsible for identifying whether a dog is present in an image.8. Try Different Model Architectures
It is often beneficial to look at different models for a particular problem. One model architecture may not work well for another.
You can mix simple and complex algorithms. If you are creating a classification model, for example, try as simple as random forests and as complex as neural networks.
Interestingly, extreme gradient boosting is often superior to a neural network classifier. Simple problems are often easier to solve with simple models.9. Tune Your Hyperparameters
These are the values that are used in the model’s calculation. One example of a hyperparameter in a decision tree would be depth.
This is how many questions the tree will ask before it decides on an answer. The default parameters for a model’s hyperparameters are those that give the highest performance on average.
Also read: Top 9 WordPress Lead Generation Plugins in 202310. Comparing Models Correctly
Machine learning has the ultimate goal of creating a model that is generalizable. It is important to select the most accurate model by comparing and choosing it correctly.
You will need a different holdout than the one you used to train your hyperparameters. You will also need to use statistical tests that are appropriate to evaluate the results.
Embarking on a Data Science career opens a world of exciting possibilities to extract valuable insights from complex datasets.
Professionals with a strong technical and analytical skill set can find intriguing career prospects in the rapidly expanding field of data science. Finding the ideal data science career on the job market is a terrific idea as May draws to a close. The top 10 data science jobs that you should think about applying for before the month is out covered in this post.
1.Data Engineer– The infrastructure needed for data science initiatives is built and maintained by data engineers, who are essential to the process. They work with big data technologies like Hadoop and Spark, develop data pipelines, and guarantee data quality. For this position, it is crucial to have a solid grasp of database systems and programming language skills in Python and SQL. Because of their high demand, data engineers often earn US$120,000 annually.
2.Analyst for Business Intelligence– Data collection, analysis, and presentation in a form that business users can understand are the duties of business intelligence analysts. They assist organizations in making better decisions by utilizing their expertise in data mining, data visualization, and reporting. The average annual income for business intelligence analysts is US$95,000, and there is a considerable need for these professionals.
3.Data Scientist– The creation and implementation of data-driven solutions to business problems fall under the purview of data scientists. They build predictive models using their expertise in statistics, machine learning, and programming. The average annual income for data scientists, who are in high demand, is US$120,000.
4.Statistician– It is the job of statisticians to gather, examine, and interpret data. They apply their knowledge of probability, statistics, and data analysis to solve issues in a range of industries, including business, healthcare, and government. Because of their high demand, statisticians typically earn US$100,000 annually.
5.Data Analysts– Data collection, cleaning, and analysis are the duties of data analysts. They give suggestions that can help firms improve their operations by using their talents to see trends and patterns. The average annual compensation for data analysts is US$90,000, and this occupation is in high demand.
6.Quantitative Analyst– To make financial judgments, quantitative analysts oversee employing mathematical and statistical models. They create models that can forecast future changes in the market using their expertise in statistics, finance, and programming. The typical wage for a quantitative analyst is US$150,000 per year, and there is a considerable demand for their services.
7.Data Visualization Expert– The creation of visual representations of data is the responsibility of data visualization specialists. They provide charts, graphs, and other images that can aid in the understanding of data by utilizing their expertise in data analysis, data storytelling, and data visualization. Specialists in data visualization are in high demand, and their annual salaries are often US$100,000.
8.Data Security Specialist– Engineers in data security oversee preventing unauthorized access, use, disclosure, disturbance, alteration, and destruction of data. To create and implement security measures that can safeguard data assets, they make use of their expertise in information security, cryptography, and network security. The average annual compensation for data security engineers is US$130,000, and there is a great need for these professionals.
9.Data Architect– Data architects are responsible for designing and implementing data systems. They use their skills in database design, data modeling, and data warehousing to create systems that can store, manage, and analyze large amounts of data. Data architects are in high demand, and the average salary for this position is US$140,000 per year.
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