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Data Science for working professionals

To secure a job in any domain one has to give it a lot of preparation, should be trained for the role and should have absolute knowledge about the field, usually people will dedicate years in preparing for their desired roles. Shifting from a prepared role of domain to a different domain will not usually be easy, strong gust of skepticism would surely haunt. The process of shifting from one domain to another is hard, it gets harder to learn data science for working professionals because they will have to prepare for the new job role while maintaining their current one.

If and only if you plan the whole process of domain shifting in an organised and rational way, you can have a win-win situation.

Have a vision and plan your strategy

You must win in both the games of learning and working, for that you will have to strategize in such a way that your time in learning data science should not in any way collide with your work life and vice-versa. Because both of the activities are equally important as they require immense attention and individual preference.

let us start from the scratch, here are some possible concerns of a working professional:

  1. Time management
  2. Balancing the energy between two activities
  3. Scheduling
  4. Risk of affording a wrong move
  5. Risk of inefficient or improper execution

As a working professional you will have to manage your responsibilities in a way that you will have control over every single thing that happens to exist. With proper planning and the right way of approach, the above mentioned concerns could be easily tamed.

Firmly state your purpose of learning data science
Why do you want to change your domain into Data Science while you already have a job? firmly define the purpose. You should know that by shifting to data science everything will change, you will have to develop new skill sets for the role that you are targeting, processing of workflow will be different, your future job role will have different goals, purpose and aim. Act consciously when you are risking to give up on the comfort and expertise you have in your current job, be very sure about the purpose of doing so. Doing this will eliminate the skepticism about the risk of getting out of your comfort zone. The efforts that you put over learning Data Science will never go in vain because you will learn about the currently trending technologies and tools, that will help you survive not only in data science but anywhere in the IT firm.

Have a soft target
People think only the role of ‘data scientist’ matters the most but the fact is that there are several other roles in data science which significantly matter in the field, choose one role that which you want to become and start preparing for it. Doing this should be good for the starters, because you do not have to be a scholar in every tool that has ever been used in the field, smartly target those topics that are the essentials in Data Science. When you specifically work on a targeted role you will have the chance to completely know about it and its importance in the field. This way of approach will be a very smart move because you will not be confused regarding what exactly to study in the vast field of data science and the field generally prioritizes those who holds master expertise in specified field. So be very sure about the role you want to serve in, in data science.

Plan the execution
To perfectly plan the execution part you will first have to design the implementation part, do it wise and rationally. Revise your daily-life activities, reschedule it for the sake of balancing between learning and working.

Exercise on the way you spend time on everyday things, revise it according to your daily schedules. Practice to make a note of your tasks everyday, according to that plan on how much time you would invest on the things and try your best to act as decided. In other words, this way of dealing with the things is called as discipline, to have a structured day you will have to practice discipline in all possible ways. Revise your activities from sleeping habits to break sessions, reschedule them in such a way that the things will itself fall in the right place. Set targets, set your own deadlines and design the way that you want things to work in.

Networking and understanding the field
Involve with the people that come from the field of Data Science, know about the insider story of the field and about how it works. Having field knowledge is very much necessary, remember that when you get into data science you will have to work in teams, so practice skills in communication and confidence. Get interactive with the people by asking them about the ways to reach to the field, this way you will build good connections and will get great suggestions as well. Start associating yourself with the people who belongs to Data science, you will need to get used to that.

A good course
Everything that you do and every effort that you put is only to learn Data Science, but if you make the mistake of choosing a wrong course every effort of yours will go in vain. Your purpose of learning Data Science is to shift your domain into that of Data science, you cannot do this without the help of a good course. The course that you choose should not only help you to have fine knowledge in data science but also should help you to manage your planned schedules. There are many data science courses that are specially built for working professionals, it will greatly help if you choose the right one among them.

Conclusion
With the right approach and proper planning you can triumph in learning Data Science while maintaining a full time job. Stick to your plans and preparations, seek help from a good course, practice as much as you could and start involving yourself with the field. If you manage to everyday execute the plans you will surely reach your destination in ease.

Learnbay could help you
The data science course of Learnbay is specially designed for working professionals, the benefits provided in the course will help you balance your scheduling. Learnbay powered by IBM will help you throughout the journey of learning and experiencing data science.

Model vs Algorithm in ML

Machine Learning works with “models” and “algorithms”, and both play an important role in machine learning where the algorithm tells about the process and model is built by following those rules.

Algorithms have derived by the statistician or mathematician very long ago and those algorithms are studies and applied by the individuals for their business purposes.

A model in machine learning nothing but a function that is used to take some certain input, perform a certain operation which is told by algorithms to its best on the given input, and gives a suitable output.

Some of the machine learning algorithms are:

  1. Linear regression
  2. Logistic regression
  3. Decision tree
  4. Random forest
  5. K-nearest neighbor
  6. K-means learning

What is an algorithm in Machine learning?

An algorithm is a step by step approach powered by statistics that guides the machine learning in its learning process. An algorithm is nothing but one of the several components that constitute a model.

There are several characteristics of machine learning algorithms:

  1. Machine learning algorithms can be represented by the use of mathematics and pseudo code.
  2. The effectiveness of machine learning algorithms can be measured and represented.
  3. With any of the popular programming languages, machine learning algorithms can be implemented.

What is the Model in Machine learning?

The model is dependent on factors such as features selection, tuning parameters, cost functions along with the algorithm the model just not fully dependent on algorithms.

Model is the result of an algorithm when we implement the algorithm with the code when we train the algorithms with the real data. A model is something that tells what your program learned from the data by following the rules of those algorithms. The model is used to predict the future result that is observed by the algorithm implementation of small data.

                Model = Data + Algorithm 

A model contains four major steps that are:

  1. Data preprocessing
  2. Feature engineering
  3. Data management
  4. performance measurement.

How the model and algorithms work together in machine learning?

For example:

y = mx+c is an equation for a line where m is the slope of the line and c is the y-intercept, this is nothing but linear regression with only one variable.
similarly, the decision tree and random forest have something like the Gini index and K-nearest having Euclidean distance formula.

So take the linear regression algorithm:

  1. Start with a training set with x1, x2,…, and y.
  2. Find out the parameters c0, c1, c2 with the random variables.
  3. Find out the learning rate alpha
  4. Then repeat the following updates such as c0 = co-alpha +h(x)-y and for c1, c2 also.
  5. Repeat these processes till converged.

when you employing this algorithm, you are employing these exact 5 steps in your model without changing the steps, your model initiated by the algorithm and also treat all the dataset same.

If you want to apply that algorithm to the model, the model finds out the value of m and c that we don’t know, then how will you find out?
suppose you have 3 variables that are having values of x and y now your model will find the value of m1, m2, m3, and c1, c2, c3 for three variables.
The model will work with three slopes and three intercepts to find out the result of the dataset to predict the future.

The “algorithm” might be treating all the data the same but it is the “model” that actually solves the problems. An algorithm is something that you use to train the model on the data.

After building a model, a data science enthusiasts test it to get the accuracy of that model and fine-tuning to improve the results.

This article may help you yo understand about the algorithm and model in Machine learning, In summary, an algorithm is a process or a technique that we follow to get the result or to find the solution of a problem.
And a model is a computation or a formula that formed as an output of an algorithm that takes some input, so you can say that you are building a model using a given algorithm.

 

Learnbay provides industry accredited data science courses in Bangalore. We understand the conjugation of technology in the field of Data science hence we offer significant courses like Machine learning, Tensor Flow, IBM Watson, Google Cloud platform, Tableau, Hadoop, time series, R, and Python. With authentic real-time industry projects. Students will be efficient by being certified by IBM. Around hundreds of students are placed in promising companies for data science roles. Choosing Learnbay you will reach the most aspiring job of present and future.
Learnbay data science course covers Data Science with Python, Artificial Intelligence with Python, Deep Learning using Tensor-Flow. These topics are covered and co-developed with IBM.

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Note : Our programs are suitable for working professionals(any domain). Fresh graduates are not eligible.