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Linear regression is a statistical method to model the relationship between a dependent variable and one or more independent variables. Logistic regression is used to model the probability of a binary outcome.
Linear regression is used for predicting continuous outcomes, while logistic regression is used for predicting binary outcomes.
Linear regression assumes a linear relationship between the independent and dependent ...
Central Limit Theorem states that the sampling distribution of the sample mean approaches a normal distribution as the sample size increases.
Central Limit Theorem is used to make inferences about a population mean based on the sample mean.
It allows us to use the properties of the normal distribution to estimate population parameters.
It is essential in hypothesis testing and constructing confidence intervals.
For example...
Support Vector Machine is a supervised machine learning algorithm used for classification and regression tasks.
Support Vector Machine finds the hyperplane that best separates different classes in the feature space
It works by maximizing the margin between the hyperplane and the nearest data points, known as support vectors
SVM can handle both linear and non-linear data by using different kernel functions like linear, pol
Linear regression is used for continuous variables, while logistic regression is used for binary classification.
Linear regression predicts continuous values, while logistic regression predicts probabilities between 0 and 1.
Linear regression uses a linear equation to model the relationship between the independent and dependent variables.
Logistic regression uses the logistic function to model the probability of a binary ...
KNN algorithm is a simple, instance-based learning algorithm used for classification and regression tasks.
KNN stands for K-Nearest Neighbors.
It classifies a new data point based on majority class of its k nearest neighbors.
KNN is a lazy learning algorithm as it does not learn a discriminative function from the training data.
It is sensitive to the choice of k value and distance metric.
Example: Classifying a flower speci...
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
Different types of learning in Machine learning include supervised learning, unsupervised learning, semi-supervised learning, reinforcement learning, and self-supervised learning.
Supervised learning: Training data is labeled, algorithm learns to map input to output.
Unsupervised learning: Training data is unlabeled, algorithm learns patterns and relationships in data.
Semi-supervised learning: Combination of labeled and ...
Inference learning focuses on understanding the underlying relationships in data, while prediction learning focuses on making accurate predictions based on data.
Inference learning involves understanding the causal relationships between variables in the data.
Prediction learning focuses on building models that can accurately predict outcomes based on input data.
Inference learning is more concerned with understanding the ...
An outlier is a data point that differs significantly from other observations in a dataset.
Outliers can be identified using statistical methods such as Z-score, IQR, or visualization techniques like box plots.
Handling outliers can involve removing them, transforming them, or using robust statistical methods.
Examples of handling outliers include winsorizing, log transformation, or using algorithms that are robust to out
Some optimizers and loss functions used in machine learning
Optimizers: Adam, SGD, RMSprop
Loss functions: Mean Squared Error (MSE), Cross Entropy, Hinge Loss
Elbow curve helps in determining the optimal number of clusters in K-means clustering.
Elbow curve is a plot of the number of clusters against the within-cluster sum of squares.
The point where the curve shows a sharp decrease and starts to flatten out is considered as the optimal number of clusters.
It helps in finding the right balance between overfitting and underfitting in clustering.
For example, if the elbow curve sh...
Supervised learning uses labeled data to train the model, while unsupervised learning uses unlabeled data.
Supervised learning requires a target variable for training, while unsupervised learning does not.
In supervised learning, the model learns from labeled examples to make predictions on new data, while unsupervised learning finds patterns and relationships in data.
Examples of supervised learning include classificatio...
Deep learning is a subset of machine learning that uses neural networks to model and solve complex problems.
Deep learning involves training neural networks with multiple layers to learn representations of data
It is used for tasks such as image and speech recognition, natural language processing, and autonomous driving
Popular deep learning frameworks include TensorFlow, PyTorch, and Keras
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Linear regression is used for predicting continuous values, while logistic regression is used for predicting binary outcomes.
Linear regression is used when the dependent variable is continuous, while logistic regression is used when the dependent variable is binary.
Linear regression predicts the value of a dependent variable based on the value of independent variables, while logistic regression predicts the probability...
Max pooling is a down-sampling technique in deep learning where the maximum value from a set of values is selected.
Max pooling reduces the spatial dimensions of the input data by selecting the maximum value from a set of values in a specific window.
It helps in reducing the computational complexity and controlling overfitting in the model.
Example: In a 2x2 max pooling operation, the maximum value from each 2x2 window of...
I applied via Internshala and was interviewed before Jul 2023. There was 1 interview round.
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