Question: Using the following vectorizer: vectorizer = Tfidfvectorizer ( max _ features = 2 0 , stop _ words = 'english' ) , fit - transform

Using the following vectorizer:
vectorizer = Tfidfvectorizer(max_features=20, stop_words='english'),
fit-transform it to the comments column. Then use PCA (with 10 components and a random_state of 1) to determine the percentage of the variance that the first two principal components explain.
25%
22%
17%
34%
Using the following vectorizer: vectorizer =

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Accounting Questions!

Q:

import numpy as np #machine learning tool used for efficient array processing import pandas as pd #machine learning tool used for data sets and data frames from sklearn.model _ selection import train...

Q:

AH ? CGOP ... Document1 Home Insert Draw Design Layout References Mailings Review View ? Tell me Share Comments Calibri (Bo... v 12 A" A Aa Ap EEVEEVEE AaBbCcDdEe AaBbCcDdEe AaBbCcDc AaBbCcDdEE AaBb(...

Q:

Q:-1: Why did Johns Hopkins hospital want to develop more resiliency in the nurses? What is the business case? Q:-2:Many of the nurses were initially resistant to Applied Improvisation then later...

Q:

Roberge, M. (2015). The right way to use compensation. Harvard Business Review, 93, 70-75. Zehnder, E. (2001). A simpler way to pay. Harvard Business Review, 79, 53-61. 1. Explain how EZI compensates...

Q:

Roberge, M. (2015). The right way to use compensation. Harvard Business Review, 93, 70-75. Zehnder, E. (2001). A simpler way to pay. Harvard Business Review, 79, 53-61. 1. Explain how EZI compensates...

Q:

Please scan the SEC Plain English that I've attached. Please visit to this link.http://www.sec.gov/Archives/edgar/data/320193/000119312513416534/d590790d10k.htm#toc590790_9 Please read pages 25...

Q:

import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.apache.spark.api.java.JavaPairRDD; import org.apache.spark.api.java.JavaSparkContext; import...

Q:

This question involves the use of AGGREGATE linear PYTHOIN regression on the Auto data set. (a) Perform a simple linear regression with mpg as the response and horsepower as the predictor. Describe...

Q:

Individual Case Analysis Four cases are available from Harvard (see first : Case pack of 4 cases available at: http://cb.hbsp.harvard.edu/cbmp/access/49960103 ). Answer each of these questions in...

Q:

Exploratory Data Analysis ( EDA ) In [ ] : print ( " Train Dataset:" ) print ( train _ df . head ( ) ) print ( " InTest Dataset:" ) print ( test _ df . head ( ) ) Data Preprocessing In [ ] : def...

Q:

Guardsman Lock Corporation The Guardsman Lock Corporation manufactures a popular commercial security lock at plants in Macon, Louisville, Detroit and Phoenix. Table 1 shows the unit cost of...

Q:

For the set of activities below: Determine the project duration................. The critical path............... The starting activities......................... The finishing...

Q:

Many bonds are not callable, but for those that are, which of following is a common feature? 4 Multiple Choice called any time after 2 years of issuance called any time after 2 years from the time an...

Q:

Can you elucidate the role of molecular chaperones and protein quality control systems in maintaining the integrity and homeostasis of the cytoplasm, particularly under conditions of cellular stress...