What Is Machine Learning in Data Science? – Hardware Times

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Introduction

The term “machine learning” is currently very popular among data science enthusiasts. It’s interesting to note that Machine Learning has been around for a while without your knowledge. Have you ever wondered how YouTube chooses the next video for you to watch? It examines the videos you are watching, the channel from which they come, their length, and the subjects they cover. Therefore, all these factors are considered before proposing the next video to you on YouTube. In other words, YouTube “learns” from your viewing patterns and recommends videos like those you are watching. You have been witnessing instances of how machine learning operates for years.

Machine Learning is one of a large range of domains covered by data science, as you are surely aware. To analyze data and derive relevant insights, data scientists use a variety of fields and techniques, including statistics and artificial intelligence. In this article, you will learn how machine learning is used in data science to analyze data and extract insightful information from it.

Opt for a Data Science Certification online to learn how to tackle complex Data Science problems with hands-on experience and get ready to launch a career in the domain.

What Is Machine Learning (ML)?

Machine learning is a type of artificial intelligence (AI) or a subset of AI that enables any software application or application to be more accurate and precise in detecting and predicting results, simply put. Machine learning algorithms predict future results or output values using historical data. Machine learning has several applications, including spam filtering, fraud detection, malware threat identification, recommendation tools, and healthcare.

What Makes Machine Learning So Crucial?

The same factors that have boosted the popularity of data mining and Bayesian analysis are also rekindling interest in machine learning. Things like increasing the amount and variety of data, more powerful and affordable computing, and low-cost data storage.

All of these factors contribute to models that can be quickly and automatically created to evaluate larger, more complex data and provide faster and more accurate answers even at large scales. Furthermore, by developing accurate models, a company increases its chances of discovering lucrative opportunities or avoiding unknown threats.

What Is Data Science?

Businesses and other institutions could store most of their data in Microsoft Excel Sheets way back. The most basic business intelligence tools can analyze and process this data. Data manipulation and management were easier due to the absence of large amounts of data. However, as time passed, the amount of data generated every day kept increasing.

The amount of data that can be evaluated in the future will be on this scale. Typical spreadsheets and traditional Business Intelligence tools will not be useful for processing data of this size. To process data of this volume, you need a sophisticated data infrastructure and cutting-edge tools and technologies. It is where data science comes into play.

Data science is about using data to benefit your business as much as possible. The impact can take many different forms, and this could be in the form of YouTube video suggestions or audience tracking statistics that Netflix uses to create original programming. You must now create complex models, write code, and use data visualization tools to accomplish these tasks.

Data science is “basically anything to do with data: Collection, Analysis, Modeling,” according to the Journal of Data Science. However, the most important component is its numerous uses. Yes, machine learning has many different uses, and data science uses machine learning, deep learning, and artificial intelligence to analyze data and extract valuable information from it.

Machine Learning’s Significance in Data Science

Data science is all about concluding unprocessed data, which can be achieved by studying the intricate patterns and trends in the data at a very detailed level. Machine learning is useful in this situation. But to utilize machine learning, you must first fully comprehend the business requirements.

When we need to generate precise predictions about a set of data, such as when determining whether a patient has cancer- based on the results of their bloodwork, we employ machine learning algorithms in data science. We can achieve this by providing the algorithm with examples, such as patients who had cancer or did not, together with each patient’s test findings. The algorithm will continue to learn from these experiences to identify whether a patient has cancer-based on their test results.

5 Steps in Which Machine Learning Is Used in Data Science

Step 1: Data acquisition

The initial stage of the machine learning process is data collection. Machine learning helps gather and analyze structured, unstructured, and semi-structured data from any database across systems according to business problems. It can be a handwritten form, CSV file, PDF, paper, or image.

Step 2: Data preparation and cleaning

Data preparation uses machine learning technologies to assess the data and create features related to the business problem. When properly defined, ML systems understand properties and the relationships between them.

Remember that this is the foundation of machine learning and every data science endeavor. Real-world data is polluted with inconsistencies, noise, partial information, and missing values, so we need to clean the data after the data preparation.

Machine learning allows us to quickly and automatically identify missing data, perform data imputation, code category columns, and eliminate outliers, duplicate rows, and nulls.

Step 3: train the models

The choice of machine learning algorithm and the quality of the training data are both important factors in model development. ML algorithms are selected based on end-user requirements. For greater model accuracy, you should consider model method complexity, performance, interpretability, computing resource requirements, and speed.

When a suitable machine learning method has been selected, the training dataset is divided into two parts for training and testing. It is done to calculate the bias and variance of the ML model. The result of the model training process will be a functional model that can be further verified, tested, and deployed.

After completing model training, your model can be evaluated using various metrics. The metric choice completely depends on the model type and implementation strategy, so keep that in mind. The model is not yet ready to respond to your company’s concerns despite training and evaluation. Any model can be refined for greater accuracy by further tweaking the parameters.

Step 4: Model prediction 

When discussing model prediction (bias and variance), it is important to understand prediction errors. Building accurate models and avoiding model overfitting and underfitting errors would be easier with a thorough understanding of these issues.

For a successful data science project, you can further reduce prediction errors by finding the right balance between bias and variance. Machine learning (ML) and artificial intelligence (AI) have recently eclipsed other aspects of data science.

Machine learning automatically evaluates and analyzes huge amounts of data. It automates data analysis and generates in-the-moment predictions without human intervention. The data model can be further improved and trained to make real-time forecasts. Machine learning methods are used in this data science life cycle phase.

What Are the Applications of Machine Learning in Data Science?

The following are a few of the most well-liked uses of machine learning in data science:

  • Real-time Navigation: One of the most popular real-time navigation tools is Google Maps. But have you ever asked yourself why you take the fastest route even when there is no traffic? The Historical Traffic Data database and information collected from users of the service at the time are to blame. Every person who uses this service helps improve the accuracy of this program. When you start the app, it transmits data to Google and provides details about the route taken and traffic flow at any time of the day. Because so many people use the app frequently, Google has amassed a large database of traffic information that it can use to track traffic in real-time and predict what will happen if you stick to the same route.
  • Image recognition: Image recognition is used to identify things like people, places, and objects. The most common applications for this software include Facebook’s automatic friend tagging suggestions and face recognition on smartphones.
  • Product Recommendation: Online retailers and entertainment providers like Amazon, Netflix, etc., heavily rely on product recommendations. They employ various Machine Learning algorithms on the information they have about you to suggest goods and services you might find interesting.
  • Speech Recognition: Speech recognition is a method for converting the spoken word into written text. Words, syllables, sub-word units, or characters can describe this material. Well-known ones include Siri, Google Assistant, YouTube, etc.

Conclusion

Today, businesses are harnessing the potential of data to improve their goods and services. The main goal of this article is to show how Data Science and Machine Learning work in harmony, with Machine Learning making the job of a Data Scientist easier.

Data science and machine learning work together to provide useful data insights in some real-world situations, such as online recommendation tools, speech recognition, and fraud detection in all online transactions. Therefore, the conclusion that machine learning can analyze data and extract insights will not be incorrect.

This makes machine learning one of the most in-demand technologies soon. Future applications will be the most fruitful and will continue to be one of the most sought-after technologies in data science. Check out one of the best Data Science Certification courses from Knowledgehut to acquire skills in various programming languages and technologies, including Python, R, MongoDB, TensorFlow, Keras, and more. Learn the latest data analysis and visualization skills from industry experts with real-world experience in Data Science, Analytics, and Engineering.

FAQs

1. In data science, what role does machine learning play?

Machine learning automatically evaluates and analyses enormous amounts of data. Without involving humans, it automates data analysis and generates predictions in the present. The data model can be further developed and trained to produce predictions in real time.

2. How does machine learning work?

Without being explicitly instructed, software programs can make predictions more accurately using machine learning (ML), a type of artificial intelligence (AI). Machine learning algorithms use historical data as input to predict new output values.

3. What kinds of machine learning are there?

Supervised learning, unsupervised learning, and reinforcement learning are the three categories of machine learning.

Source: https://www.hardwaretimes.com/what-is-machine-learning-in-data-science/

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