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Explain dplyr() library along with installation in R.

dplyr() is used to provide much better flexibility in R regarding data manipulation and other operations.dplyr aims to provide following operations…

Data Science · Pythons

1 Answer · 868 Views · Answered ✓

Asked by: Ajit yadav · 6 years ago

How to customize colors and effects in NER tags?

To customize colors and effects, we need to be aware of various color codes which we wish to display. Some of the most known color codes are used for…

Data Science · Natural Language Processing

1 Answer · 1.5K Views · Answered ✓

Asked by: Nakagawa Harada · 6 years ago

Is cross entropy always larger than entropy?

import numpy as np p = [0.5, 0.2, 0.2, 0.1] q_1 = [0.4, 0.2, 0.2, 0.2] q = [0.4, 0.2, 0.2, 0.2] def cross_entropy(p, q): return…

Data Science · Machine Learning

1 Answer · 994 Views · Answered ✓

Asked by: Niharika Deshpande · 6 years ago

Explain Information gain

Information gain is a measure of reduction in entropy caused by partitioning the examples according to a given attribute. The idea is to start with…

Data Science

1 Answer · 1.3K Views · Answered ✓

Asked by: Ashish Sinha · 6 years ago

A user tried the following code for KNN and obtained 100

KNN does not produce wrong results all the time. It largely depends on the dataset. There might be two reasons for this error. The training data…

Data Science · Machine Learning

1 Answer · 1.5K Views · Answered ✓

Asked by: Naveen Yadav · 6 years ago

How to calculate the error rate for a decision tree with R?

To calculate the error rate for a decision tree in R, assuming the mean computing error rate on the sample used to fit the model, we can use…

Data Science · Machine Learning

3 Answers · 7.1K Views · Answered ✓

Asked by: Gayatri Jaiteley · 6 years ago

Explain how to implement decision in R

First we import the dataset # Importing the dataset com_sale dataset = read.csv(file.choose()) Now we encode the target feature as factor # Encoding…

Data Science · R

1 Answer · 1.5K Views · Answered ✓

Asked by: Sanjana Shah · 6 years ago

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