Three Things About Data Science One Won’t Find In the Books

Data science is a prime time and it clearly illustrated the importance in the analytics era. It was everywhere and it is necessary for every company. Data analytics is essential for any company that deals with heavy customer data. There are a few parameters that are difficult to find them in the book.

  1. Evaluation is Key

Establishing a system that should be able to implement on the future data is the main objective of data science. Supervised and unsupervised are the two methods and these are good in predicting the existing data sets. Applying the methods to predict the future is the complex task and must be sure with the future data predictions.

Beginners work with the data and they have an illusion about the future predictions. This means results won’t be the same all the time. Machines can handle a lot of data, it might be storing or retrieving the data. This huge data lead to a lack of generalization.

When the data is not consistent there will be a constant change in every business and the customer preferences that will make the data different from time to time. These are the main chances that will cause failure of the methods.

  1. Feature Extraction

Modern learning methods are capable of deal with tons of data and they are very effective. These methods are useless at the time of reaction. They are good in identifying the data set if they are arranged in a linear combination.

Get a complete knowledge of the executing methods. This process can lead to non-usage of linear SVMs and logistic regression methods. These linear and logistic methods are also effective in training time and finding solutions in many cases.

Learn about feature engineering. In a few cases, the feature can eliminate the logarithms and can execute the normalization. If the data is not in the range to predict a task then it can be reduced to the level of predictions.

  1. Model Selection Burns the Cycles not Data Sets

Datasets are not so big they can easily get into the main memory the methods can handle the data with ease. Cross-validation to extract the new features of data will be a time-consuming action.

Companies have massive data sets, but it also contains junk in the data sets. This leads to complexity in the learning situations. If the problems are solved using the simple model then there will be no need to include the parameters of the model.


Evaluation of the data in a right way will decrease the risk chances of methods about future predictions. Gathering the features is the main objective to obtain the better results. The final verdict is that the big data won’t allow this procedure.

Leave a Reply