Premansh Sharma has Published 77 Articles

How to Evaluate a Logistic Regression Model?

Premansh Sharma

Premansh Sharma

Updated on 24-Jul-2023 17:50:24

316 Views

Introduction Logistic regression is a prominent statistical approach for predicting binary outcomes such as disease presence or absence or the success or failure of a marketing effort. While logistic regression may be an effective method for predicting outcomes, it is critical to assess the model's performance to verify that ... Read More

The Right Cross-Validation Technique for Time Series Dataset

Premansh Sharma

Premansh Sharma

Updated on 24-Jul-2023 17:47:15

84 Views

Introduction Whenever working with time series data, it is critical to employ a cross−validation approach that accounts for the data's temporal ordering. This is because time series data displays autocorrelation, which means that the values of the data points are connected with their prior values. As a result, unlike ... Read More

One Hot Encoding and Label Encoding Explained

Premansh Sharma

Premansh Sharma

Updated on 24-Jul-2023 17:42:19

854 Views

Introduction Categorical variables are extensively utilized in data analysis and machine learning. Many algorithms are incapable of directly processing these variables, and they must be encoded or translated into numerical data before they can be used. Hot encoding and label encoding are two popular methods for encoding categorical data. ... Read More

Why Ordinary Least Square (OLS) is a Bad Option to Work With?

Premansh Sharma

Premansh Sharma

Updated on 24-Jul-2023 17:37:56

75 Views

Introduction Ordinary least squares is a well−liked and often used method for linear regression analysis (OLS). For data analysis and prediction, however, it is not always the best option. OLS has several limitations and presumptions that, if not properly addressed, might provide biased and false results. The drawbacks and ... Read More

Methods to Select Important Variables from a Dataset

Premansh Sharma

Premansh Sharma

Updated on 24-Jul-2023 17:34:32

61 Views

Introduction Moment's big data period requires a dependable and effective approach to opting for important variables from datasets. With so numerous functions available, it can be delicate to identify which bone has the most impact on the target variable. opting for only the most important variables improves ... Read More

How is kNN different from Kmeans Clustering?

Premansh Sharma

Premansh Sharma

Updated on 24-Jul-2023 17:18:50

79 Views

Introduction Two well−liked machine learning techniques, KNN and k−means clustering, are employed for various tasks. Both methods employ the k parameter, but they are applied to distinct problems and work in different ways. During classification and regression problems, KNN is a supervised learning method, whereas k−means clustering is ... Read More

How to Increase Classification Model Accuracy?

Premansh Sharma

Premansh Sharma

Updated on 24-Jul-2023 17:15:09

59 Views

Introduction Machine learning largely relies on classification models, and the accuracy of these models is a key performance indicator. It can be difficult to increase a classification model's accuracy since it depends on a number of variables, including data quality, model complexity, hyperparameters, and others. In this post, ... Read More

Building a Fraud Detection Model for a Bank

Premansh Sharma

Premansh Sharma

Updated on 24-Jul-2023 17:05:02

102 Views

Introduction Financial fraud has become an increasingly common problem for banks and financial organizations throughout the world as technology advances. Money laundering, identity theft, and credit card fraud can all result in major financial losses as well as damage to a bank's image. As a result, banks must take ... Read More

How to Train MFCC Using Machine Learning Algorithms

Premansh Sharma

Premansh Sharma

Updated on 24-Jul-2023 15:54:34

183 Views

Introduction Mel Frequency Cepstral Coefficients (MFCCs) is a widely used feature extraction technique for audio processing, particularly in speech recognition applications. A logarithmic compression, a filter bank, and the discrete Fourier transform (DFT) of audio signals in brief time intervals are used to create MFCCs. You will have a ... Read More

Georgia Tech MS Degree in CS(Machine Learning) vs. NYU MS Degree in Data Science

Premansh Sharma

Premansh Sharma

Updated on 24-Jul-2023 15:44:45

61 Views

Introduction Data science and machine learning are fast expanding professions, and having a graduate degree in these topics might provide you an advantage in the employment market. Yet, with so many applications accessible, it might be difficult to select the best one. The MS degree in CS (Machine Learning) from ... Read More

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