How Does Machine Learning Work-Beginners Guide

Working of machine learning, and machine learning process steps explained. We will also be looking at how does machine learning to work in today’s world.
how does machine learning work

Machine learning (ML) is a subfield of the Artificial Intelligence (AI), which give machines the ability to learn and adopt from their experienced and enhance their ability to complete any specific tasks assigned to them. The most prevailing example of machine learning is the “people who bought XXX also saw XXXX”, which you must have seen across all ecommerce stores.

What is Machine Learning?

The term machine learning was coined by Arthur Samuel, in the year 1959. Arthur Samuel is also considered as the pioneer of Artificial Intelligence. According to him, machine learning is a field of study that enables computers to adapt and learn for themselves without any explicit need for programming. Obviously, this was the beginning of what we are seeing today, but machine learning as we know it today is pretty much what Arthur defined way back in the 1950s.

In this blog, we will be covering all aspects of machine learning including the working of machine learning, and machine learning process steps. We will also be looking at how does machine learning to work in today’s world, as well as, define some of the popular machine learning techniques used widely in different industries. last but not the least, we will also be looking at the best programming languages for machine learning, while finally rounding up our blog by summarizing the working of machine learning.

As said earlier, machine learning is a subfield of artificial intelligence. In the most basic terms, the machine learning algorithms are meant to create intelligent programs that are able to get trained for specific tasks by themselves and learn better ways to complete the tasks faster and with precision. It’s kind of similar like creating algorithms that replicate the human mind, with the ability to learn, adapt, and make intelligent decisions. Such algorithms are developed to minimize the need for human intervention. For the most part, the learning process of the machine is completed through supervised or unsupervised training with a large volume of the training dataset. The quality and volume of the data used to train machines are directly related to the preciseness of the machine learning models. Machine learning models can be developed for explicit tasks, where automation is desired.

How does Machine Learning work in today`s world?

Model, parameters, and the learners are three fundamental blocks of any machine learning model.

The model represents the system that is responsible to make forecasts/predictions. 

Parameters are the characteristics which are considered by the model to make forecasts/predictions.

The learner component of a machine learning model enables models to make learn and make necessary adjustments required to make accurate forecasts/predictions.

Now, to help you better understand how does machine learning work, we can consider an example. In this scenario, let’s consider that you have two different drinks; beer and wine. Now, you want machine learning algorithms to differentiate between the two drinks based on some fixed parameters which in this case would be the color and percentage of the alcohol found in each drink.

Here are the machine learning process steps that will complete the given task for you:

Learning from the training set

The first and foremost step for any machine learning model is to feed the model with a structured and large volume of data for training. In this case, you would require several (possible hundreds) samples of beer and wine with defined color and alcohol percentage. Now, you will feed the training data into the model and classify each of the samples as per their defined parameters. For instance, you would define the percentage of alcohol in samples of wine against the percentage of alcohol in samples of beers. Similarly, you will classify the other defined parameter that is ‘color’ for samples of wine and beet.

For easy representation, you may define the ‘color’ as parameter ‘X’ and alcohol percentage as parameter ‘Y’. Now in this case the (X, Y) will be the defined parameters of the training dataset for the model and will help the algorithm to adapt and learn differentiation between each of the drinks.

Measuring Error

The next logical step in our “how does machine learning work” is to measure the errors and discrepancies in the results of the model. For this step, you will input a fresh dataset (different from the training data) and the outcome of this step could be either one of these four:

– True Positive: this is the most ideal scenario where the machine learning model is able to predict each type of drink correctly

True Negative: in this scenario, the model misses out on classification of drinks when it is present.

False Positive: in this scenario, the model wrongly classify drinks when it isn’t present.

False Negative: in this scenario, the machine learning model isn’t able to classify drinks when it is present.

To estimate the total error from the model, you will use the sum of FP and FN

Manage Noise

Now, while to help you understand “how does the machine learning work” better, we have kept the set of defined parameters limited to only two. However, in real-world scenarios, there may be hundreds and thousands of parameters that have to be defined in the training data to enable machine learning models to classify the items precisely.

In such scenarios, there will be a large number of errors estimated in the second step. These errors will be sourced from the noise present in the training data. Noise in this case represents the unwanted anomalies that deviate the standards of the defined parameters; thus weakening the learning process of the model. The noise in training data may be present for various reasons including:

Large volume of the training data.

Unstructured training data.

Data labeling errors.

Overlooked attributes that influence the classification.

Testing and Generalization

In many cases, the machine learning algorithm fits perfectly with training data, however, it fails to produce results when a fresh dataset is an input to the model (other than the training data). This is why it is important to evaluate the fitness of the algorithm to the new/fresh dataset. This is achieved by giving new/fresh data as input and analyzing the results produced by the algorithm. The generalization in this case refers to the fitness of the model to make predictions for a fresh dataset.

How Supervised Machine Learning Works?

Supervised machine learning is one of the popular machine learning techniques. In this case, the model takes training data with known responses to the output to learn and build its capacity to make predictions for a new/fresh dataset. Supervised machine learning techniques should be used where users have a high-volume of structured data for training the model. In this case, the higher the volume and quality of the data, the better and more precise results can be expected from machine learning models. The supervised learning model makes prediction models based on regression and classification techniques.

Classification techniques 

The classification technique used by supervised machine learning models delivers discrete responses. For example, the model will simply inform if an email is a spam or genuine (you experience it in your email inbox). In classification techniques, the input data is classified into the defined categories. This technique is widely used in medical imaging, image processes, and speech recognition.

You can use classification technique if you have a structured, tagged, or categorized data which is divided into discrete classes or groups. For instance, the technique is used in handwriting recognition, where it is capable of classifying the handwriting based on the recognition of letters and numbers style. Unsupervised pattern recognition is widely used in image processes and computer vision to identify objects and image segmentation.

Some of the widely used supervised learning algorithms in the industry include Neural networks, support vector machine (SVM), K-nearest neighbor, logistical regression, and more.

Regression techniques 

The regression techniques forecast continuous responses. An example of these includes predicting the temperature changes or fluctuations in power demand. The regression techniques are used in algorithmic trading, energy load forecasting among others.

The regression techniques for classification can be used when the input data is in the form of a continuous range, or real numbers. Some of the regression algorithms include stepwise regression, linear regression models, non-linear regression models, adaptive neuro-fuzzy learning, and others.

How Unsupervised Machine Learning Works?

Unsupervised machine learning is used to identify hidden patterns and structures in data to draw inferences.


Clustering is one of the most widely used unsupervised learning techniques, which is used for exploratory data analysis to identify hidden patterns and structures in data. The technique is used in different applications including gene sequence analytics, object recognition, image processing, and others.

An example case study for the clustering technique is identifying the optimum location of building a cell phone tower for a telecommunication company. In this case, the unsupervised machine learning algorithm can be used to identify clusters of users in different areas who rely on cell phone towers. Since a cell phone may only be connected to a single tower at a time, the clustering algorithm can process the dataset and come up with the most suitable cell tower placement design to optimized signal reception for users.

Some of the common algorithms used to perform clustering include; fuzzy c-means clustering, K-means, Gaussian mixture model, and others.

Which Programming Language is best for Machine Learning?

Now that we are over the machine learning process steps and working of machine learning, let’s see which the best programming language for machine learning is.

This is rather a simple question, as Python is undoubted the most suited programming language that is also most widely used to develop machine learning applications. We will come to the advantages and strengths of Python as the best programming language for machine learning algorithms a little later. Some of the other popular languages that are used to develop machine learning applications include R, C++, Shell, Java, and others.

What makes Python the ideal choice for machine learning applications development is the simplicity and readability of the language, as compared to the other languages. This is important because developing machine learning algorithms is already inherently difficult with various complexities concepts like calculus and others involved in the process, which required a lot of time and effort to develop. The simplistic Python language is able to share some burden of the developers and ML engineers. There are various Python tutorials freely available online that can be checked to understand the basics of the language. Another great advantage of Python programming language for use in machine learning algorithms is its various pre-built libraries for machine learning. The language comes with various packages that can be used directly for various applications. Some of the Python packages widely used in machine learning applications development include:

Numpy, Scikit (used widely for image processing)

Numpy, Scikit, and NLTK (great when working with text)

Librosa (Audio applications)

Matplotlib, Scikit, and Seaborn (used for data representation)

TensorFlow, Pytorch (used for deep learning applications)

Pandas (used for high-level structured data analysis)

The language gives ML engineers and developers an option to choose between scripting or object-oriented programming. Moreover, the changes can be easily implemented without having to recompile the code.

Folio3 is Your Best Machine Learning Tech Partner

Folio3 is one of the leading machine learning application development companies in the world. With decades of experience in the development of high-tech and complex machine learning applications, Folio3 has partnered with some of the biggest companies from different industries and help them to initiate their digitalization process with robust customized solutions with advanced machine learning capabilities.

How Does Folio3 Machine Learning Solution Work?

Breast Cancer HER2 Subtype Identification

Folio3 partnered with one of the oldest public sector medical universities and hospital in Pakistan, Dow University of Health Sciences to develop a robust computer-aided assistance system with cell segmentation and spot counting capabilities to enable medical practitioners and doctors to perform faster and more precise breast cancer tests. The powerful computer-aided system was able to digitize and store the images for further analysis and processing.

Converse Smartly®- Speech to Text Software

Converse Smartly (CS) is a hugely successful in-house project of the company that was developed to establish the capabilities and expertise of Folio3 ML engineers in the fields of machine learning and Natural Language Processing.

Converse Smartly (CS) is an advance and robust speech to text application that uses state-of-the-art technologies including IBM Watson API, Amazon AWS, Microsoft Azure, Python’s Natural Language Toolkit, and Google Speech-to-Text API to deliver precise and outstanding results.

ATM Cash Forecasting

For this project, Folio3 partnered with one of the largest commercial banks in Pakistan, which is also a multination bank to develop an ATM cash forecasting system. The prediction model was able to forecast t4eh cash-flow management for over 2000 ATMs of the bank in Pakistan and globally. Based on the unique requirements of the bank, we developed a sophisticated and innovative predictive solution that increased the ATM management profits of the bank by up to 6%.

how does google assistant machine learning work?

Google Assistant is a personal assistant that leverage on the image recognition, NLP, and Google knowledge graph to converse with the users. It’s much like a personalized chatbot that using natural language processing to interact with the users and come up with the answers to users’ questions.

How does AI work with machine learning?

Machine learning is a subfield of a much broader Artificial Intelligence (AI) technology, which is meant to enable machines to execute tasks smartly. Machine Learning on its own is about developing intelligent algorithms for devices that can learn, adapt and execute tasks through their learned experiences.

Start Gowing with Folio3 AI Today.

We are the Pioneers in the Computational Language Theory Arena  – Do you want to become a pioneer yourself ?

Get In Touch

Please feel free to reach out to us, if you have any questions. In case you need any help with development, installation, integration, up-gradation and customization of your Business Solutions. We have expertise in Machine learning solutions, Cognitive Services, Predictive learning, CNN, HOG and NLP.

Connect with us for more information at [email protected]

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