Browse 121 Machine Learning questions and answers from learners and industry experts. Find practical fixes, interview prep and step-by-step solutions - or ask your own.
## Test KNN Classification train = dtm_control_tfidf_treino # train set from 1:7 test = dtm_control_tfidf_teste # test set from 8:10 cl =…
1 Answer · 1.3K Views · Answered ✓
The output is given belowTo avoid this issue, the Term Document Matr
1 Answer · 938 Views · Answered ✓
smp_size
1 Answer · 2.6K Views · Answered ✓
impens_test_pred
1 Answer · 1.6K Views · Answered ✓
library(class) library(doSNOW) library(foreach) train
1 Answer · 2.5K Views · Answered ✓
Let us create an empty list which will contain the training and testing accuracy and the respective k values. The following code will generate the k…
1 Answer · 1.7K Views · Answered ✓
KNN or K Nearest Neighbor is a non parametric or lazy learning algorithm which works while testing the data. It memorizes the unseen test data by…
1 Answer · 822 Views · Answered ✓
First we import the data and convert the target feature as factor # Importing the dataset dataset = read.csv('Social_Network_Ads.csv') dataset =…
1 Answer · 1.4K Views · Answered ✓
First we import the libraries and the dataset # Importing the libraries import numpy as np import matplotlib.pyplot as plt import pandas as pd #…
1 Answer · 1.4K Views · Answered ✓
library(class) train
1 Answer · 1.5K Views · Answered ✓
When the number of predictor variables exceeds a handful, many of the records to be classified will be without exact matches. This can be understood…
1 Answer · 1.5K Views · Answered ✓
Bayesian classifier often works with categorical variables. But it is also possible to make classification in numeric data. But for such cases, we…
1 Answer · 1.6K Views · Answered ✓
Free tutorials and interview questions from industry experts — learn the skill, then get ready to prove it.
Step-by-step Data Science guides from industry experts
Common Data Science interview questions, answered
Guides, tips and career advice on Data Science from JanBask experts.
Data Science The Best Data Science Projects (Beginner To Advanced)
Discover 15 data science project ideas from beginner to advanced levels. Includes tech stacks, time estimates, & real-use cases.…
Data Science Data Science vs Software Engineering - What you should know?
Compare Data Science vs. Software Engineering - explore skills, tools, roles, salaries, and career scope. Discover which tech…
Data Science Top 15 Deep Learning Algorithms You Must Know in 2025
Discover the top 15 deep learning algorithms powering AI in 2025. Learn how deep learning models, DL models, and deep machine…
Data Science Deep Learning Tutorial Guide for Beginners
Deep Learning, Machine Learning & Artificial Intelligence have become trending words of the IT sector today.
Pick another topic to find answers, interview questions, and real-world tips.
