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What Is Machine Learning?

What Is Machine Learning

Machine Learning (ML) belongs to such a versatile sphere of technology which makes it all the more powerful. We can name many companies on our fingertips like Amazon, Netflix, Facebook who uses ML in daily operational activities and the list seems to be endless. But, as with all other over-rated technologies, there are a lot of misconceptions about ML too in fintech domain. In this article, we will discuss the concepts of ML and its working model with its advantages and disadvantages.

What Is Machine Learning?

Arthur Samuel, a pioneer in the field of AI and computer gaming, coined the term “Machine Learning”. He defines machine learning as – a “Field of study that gives computers the capability to learn without being explicitly programmed”. In a layman’s language, Machine Learning(ML) can be conceptualised as automating and improving the learning process of computers based on their experiences without being actually programmed i.e. without any human assistance. The process starts with giving quality data and then training the machines(computers) by building tech based models using algorithms. The choice of algorithms depends on what data do we have and what kind of task we want to automate.

 

Infographic (2)Why Is Machine Learning Important?

Machine learning is significant on the grounds that it provides undertakings with a perspective on customer behavior and business operational patterns. Many companies as of today like Facebook, Google and Uber, make AI a central part of their tasks. Machine learning has turned into a huge competitive differentiator for many of the corporates. Below we can see the chart of ML statistics which can give us a fair idea about its importance and how accelerated market does it have.

Infographic (1)What Are The Different Types Of Machine Learning?

Classical machine learning is frequently sorted by how an algorithm figures out how to turn out to be more precise in its predictions. There are four fundamental approaches:supervised learning, unsupervised learning, semi-supervised learning and reinforcement learning. The type of algorithm data scientists choose to use depends on what type of datathey want to predict.

  • Supervised learning: In this kind of machine learning the data scientists supply algorithms with data that oftenly define the factors they believe that the algorithm to assess for correlations. Both the input and the output of the algorithm is indicated here.

  • Unsupervised learning: This type of machine learning involves algorithms that train on unlabelled information. The calculation look over informational indexes searching for any significant connection. The information and calculations are trained in such a way that the expectations are predetermined.

  • Semi-supervised learning: This way to deal with machine learning includes a mix of the two preceding types. Data scientists oftenly take into consideration the algorithms and label them as a trained data yet the model is allowed to investigate the data all alone and foster its comprehension which might interpret the data set.

  • Reinforcement learning: Data scientists typically use reinforcement learning to teach a machine to complete a multi-step process for which there are clearly defined rules. Data scientists program an algorithm to do a work and give it either positive or negative cues as it works out how to adhere it. But for the majority of its part, the algorithm makes on its own what steps to take along its way.

 How Machine Learning Works?

  1. A Decision Process: In general, machine learning algorithms are used to make a prediction for an output. Based on some information, which can be labelled data or an unlabelled data, the algorithm will then produce a prediction about a trend of the data.

  2. An Error Function: An error function tends to serves an evaluation towards the estimation of the model. If there are known examples, an error function could also make a comparison to ascertain the accuracy level of the model.

  3. An Model Optimization Process: If the model can fit better to the data points in the proposed training set, then weights are adjusted to minimise the discrepancy among the known example and the model predictions. The algorithmic data shall repeat the evaluations and thereby optimize the entire process, updating weights until a threshold of accuracy meets.

What Are The Advantages And Disadvantages Of Machine Learning?

Machine learning has seen use cases ranging from predicting customer behavior to forming the operating system for self-driving cars.

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When it comes to advantages, machine learning can help corporates to understand their clients at a deeper level. By collecting customer data and correlating it with behaviors over time, ML algorithmic data set can learn associations and help teams tailor product development and marketing initiatives to their clients demand.

Some organisations uses ML as a primary driver in their business model. We can quote the example of a famous company Uber which uses algorithms to match drivers with riders with help of ML. Google uses machine learning to surface the right advertisements in its searches. 

But as we know that nothing comes with only merits, same is with machine learning which comes with few disadvantages, like it can be an expensive affair. ML projects are typically driven by data scientists, who are compensated with high salaries. Such projects requires software infrastructure that are quite expensive.

There is also the problem of ML bias. Algorithms trained on information sets that exclude certain populations or contain errors can lead to inaccurate models of the world that, at best, fail and, at worst, are discriminatory. When an enterprise bases core business processes on biased models it can run into regulatory and reputational harm.

How To Choose The Right Machine Learning Model

The process of choosing the right machine learning model to solve a problem can be time consuming if not approached strategically. 

Step 1: Align the problem with potential data inputs that should be considered for the solution. This step requires help from data scientists and experts who have a deep understanding of the problem.

Step 2: Collect data, format it and label the data if necessary. This step is typically led by data scientists, with help from data wranglers.

Step 3: Chose which algorithm(s) to use and test to see how well they perform. This step is usually carried out by data scientists.

Step 4: Continue to fine tune outputs until they reach an acceptable level of accuracy. This step is usually carried out by data scientists with feedback from experts who have a deep understanding of the problem.

What Is The Future Of Machine Learning?

While ML algorithms and its data sets have been around for decades nearly, they’ve attained new popularity as AI has grown in prominence. Like Deep learning models also power today’s most advanced AI applications. Machine learning platforms are among corporate technology’s most competitive realms, with most major vendors example could include Amazon, Google, Microsoft, IBM and others, racing to sign customers up for platform services that cover the spectrum of ML activities, including data collection, data preparation, data classification, model building, training and data application deployment.

 As ML continues to gain importance to corporations operations and AI becomes more practical in enterprise settings, the machine learning platform wars will only intensify. Continued research into deep learning and AI is increasingly focused on developing more general applications. As of today AI models require extensive training in order to produce an algorithm that is highly optimized to perform a task. But some researchers are constantly exploring ways to make such models flexible and seek techniques that shall allow a machine to apply context learning from one task to another.

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[To share your insights with us, please write to sghosh@martechseries.com]

 

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