Explain gather() and spread() in R along with an example.
Gather() function is used to collapse multiple columns into key-pair values. The data frame above is considered wide since the time variable…
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Gather() function is used to collapse multiple columns into key-pair values. The data frame above is considered wide since the time variable…
1 Answer · 1.6K Views · Answered ✓
For extracting specific entities we can import Spacy and pass doc.ents to the functionBut this will print all the tags present in the text. Here,…
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Question 26. What value is the sum of the residuals of a linear regression close to? Justify The sum of the residuals of a linear regression is 0.…
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Using dplyr, we can reorder a dataframe based on any value of a column using arrange() function which can reorder any values in ascending or…
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There are various libraries to implement POS tagging in Python but we will be using SpaCy which is fast and easy compared to other libraries.Here,…
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By using mutual_info_classif from sklearn in python we can implement information gain. Below is the code from sklearn.datasets import…
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It is an impurity which is also a measure of misclassification which applies in a context of multi class classifier. It works similar to entropy but…
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First we import and split the dataset # Classification template # Importing the dataset dataset = read.csv('Social_Network_Ads.csv') dataset =…
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To perform ROC on a model we need to train a model. bank
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> data x x y train=sample(1:dim(x)[1],287,replace=FALSE) > xTrain=x[train,] <
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For example, is it possible to display the sum of an input attribute at each node, i.e. sum of feature 1 from 'X' data array in the leaves of the…
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Decision trees use a tree-like structured algorithm which contains conditional control statements to predict the outcome based on the possible…
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