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Many skills are required to become a data science expert.
But what is most important is mastering the technical concepts. This includes various factors such as programming, modelling, statistics, machine learning and databases.
programming
Programming is the most important concept you need to know before delving into data science and its various possibilities. To complete a project or perform some related activities, basic programming languages are required. The common programming languages are Python and R because they are easy to learn. It is required for the analysis of the data. The tools used for this are RapidMiner, R Studio, SAS, etc.
Model
The mathematical models help to carry out calculations quickly. This, in turn, helps you make faster predictions based on the raw data available in front of you. The point is to find out which algorithm would be more suitable for which problem. It also teaches how to train these models. It is a process to systematically transform the retrieved data into a specific model for ease of use. It also helps certain organizations or institutions to group the data in a systematic way so that they can derive meaningful insights from it. There are three main phases of data science modeling: conceptual, which is considered the primary step in modeling, and logical and physical, which relate to breaking down the data and arranging it into tables, charts, and clusters for easy access. That The entity relationship model is the most fundamental model in data modeling. Some of the other data modeling concepts include object role modeling, Bachman diagrams, and Zachman frameworks.
statistics
Statistics is one of the four fundamental subjects required for data science. At the heart of data science lies this branch of statistics. It helps the data scientists to get meaningful results.
machine learning
Machine learning is considered the backbone of data science. You must have a good grasp of machine learning to become a successful data scientist. The tools used for this are Azure ML Studio, Spark MLib, Mahout, etc. You should also be aware of the limitations of machine learning. Machine learning is an iterative process.
databases
A good data scientist should have the right knowledge to manage large databases. You also need to know how databases work and how the process of database extraction is performed. It is the stored data that is structured in a computer’s memory in such a way that it can later be accessed in different ways depending on the need. There are mainly two types of databases. The first is the relational database, in which the raw data is stored in a structured manner in tables and linked to one another as required. The second type is non-relational databases, also known as NoSQL databases. Unlike relational databases, these use the fundamental technique of linking data by categories rather than relationships. Key-value pairs are one of the most popular forms of non-relational or NoSQL databases.
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