Gayatri Jaiteley

Git Push ERROR: Repository not found

I am having a very strange problem with git and github. When I try and push, I am getting:git push -u origin masterERROR: Repository not found.fatal:…

Tableau

1 Answer · 4.6K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 5 years ago

PySpark: How to fill values in dataframe for specific columns?

I have the following sample DataFrame:a | b | c |1 | 2 | 4 |0

Python

1 Answer · 2.0K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 5 years ago

When running a JUnit test, using IntelliJ IDEA getting error java javactask source release 1.7 requires target release 1.7, How can resolve it? Using SDK 1.7 The module language level is 1.7

Java

1 Answer · 1.3K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 5 years ago

What to do in Python error when trying to access list by index - “List indices must be integers, not str”?

To get rid of this error you can use the below-mentioned code:- >>> player=[1,2,3] >>> player["score"] Traceback (most recent call last): File "",…

Python

1 Answer · 1.3K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 5 years ago

Explore the various matrix operations using R.

A matrix is a representation of an array of numbers in n dimensional format that are again represented as rows and columns. From a matrix, we can…

Data Science · R

1 Answer · 1.6K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 6 years ago

A user wants to load a pre-trained word2vec embedding with gensim into a PyTorch embedding layer. How to get the embedding weights loaded by gensim into the PyTorch embedding layer?

There is a function from_pretrained() which makes loading an embedding very comfortable. Below is an example of the codeThe weights from gensim can…

Data Science · Natural Language Processing

1 Answer · 2.0K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 6 years ago

A user is giving first steps with R and now he is testing the KNN classification method (package class), but he is struggling to put it to work. He has two DocumentTermMatrix, one for train and another for test.

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…

Data Science · Machine Learning

1 Answer · 1.7K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 6 years ago

A user has fitted a CountVectorizer to some documents in scikit-learn. He would like to see all the terms and their corresponding frequency in the text corpus, in order to select stop-words. For example: 'and' 123 times, 'to' 100 times, 'for' 90 times, ... and so on, Is there any built-in function for this?

If cv is the CountVectorizer and X is the vectorized corpus, then the following code must work zip(cv.get_feature_names(),…

Data Science · Natural Language Processing

1 Answer · 1.6K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 6 years ago

How to visualize a model in Python?

We can import the following model

Data Science · Natural Language Processing

1 Answer · 1.5K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 6 years ago

How to remove an unnamed column and remove index while exporting a file?

For removing unnamed columns, we need to import the dataset and after importing following libraries

Data Science · Machine Learning

2 Answers · 2.6K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 6 years ago

What will happen if someone fits a linear regression on a 0-1 problem rather than to fit on logistic regression?

Basically linear regression uses straight line function but logistic regression uses sigmoid function .Below are the points of things that happen…

Data Science · Machine Learning

1 Answer · 1.5K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 6 years ago

A user ran the following code and received an error

import pandas as pd from sklearn.tree import DecisionTreeClassifier data = pd.DataFrame() data['A'] = ['a','a','b','a'] data['B'] = ['b','b','a','b']…

Data Science · Machine Learning

1 Answer · 1.4K Views · Answered ✓

G Asked by: Gayatri Jaiteley · 6 years ago