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Why tree based algorithm are less likely to get affected by label encoding, if random forests are deep enough how it can handle categorical variables without one hot encoding?
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3 weeks 0 Answers 21 views Newbie

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How do we decide if standardization is better or scaling of data is better without using cross validation techniques ? Will it be dependent on the algorithm we are using (distance based or not) or we need to dig deeper ...
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Anonymous 3 weeks 0 Answers 22 views

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This is the simple application of a filter to an input that results in inactivation. Repeated application of the same filter to input results in a map of activations called a feature map, indicating the locations and strength of a ...
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Confusion matrix is used to explain a model’s performance and gives the summary of predictions on the classification problems. It assists in identifying the uncertainty between classes. A confusion matrix gives the count of correct and incorrect values and also the ...
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Bias is the difference between the average prediction of our model and the correct value. If the bias value is high, then the prediction of the model is not accurate. Variance is the number that gives the difference of prediction over a training ...
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2 months 0 Answers 30 views Member

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So basically there are 3 types of techniques: Supervised Learning: In this type of the Machine Learning technique, machines learn under the supervision of labeled data. Unsupervised Learning: Unlike supervised learning, it has unlabeled data. So, there is no supervision under which it works ...
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2 months 0 Answers 35 views Member

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TensorFlow: TensorFlow is an open-source software library released in 2015 by Google to make it easier for the developers to design, build, and train deep learning models. TensorFlow is originated as an internal library that the Google developers used to ...
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After when the BI reports and Dashboards are prepared. and the executive has extracted the insights of the business. You use it to predict some future values as accurately as possible. That is why at this stage we stop dealing ...
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In this, I will show you a systematic way on how you can basically complete your data science syllabus withing a month. So that your transition towards data science can be possible with a short amount of time and after ...
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In this article, we will talk about on "Why to become a data scientist/data wizard? " and "Why is it beneficial to become one?" Some people know and others have a basic idea about an emerging position as a data scientist ...
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Lemmatization generally means to do things properly with the use of vocabulary and morphological analysis of words. In this process, the endings of the words are removed to return the base word, which is also known as Lemma. Example: boy’s = boy, ...
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A Time Series is a sequential grouping of data that essentially speaks to how some values change after some time. Pandas contain broad capacities and highlights for working with time arrangement information for all areas. There are some properties: Parsing time-series ...
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Normally, NumPy is used to perform the most basic array manipulations like indexing, sorting, reshaping, basic elementary functions. All mathematical code would reside in SciPy. Notwithstanding, one of NumPy's significant objectives is that it is compatible, so NumPy attempts to hold ...
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Self is an object of a class. In Python, this is explicitly included as the main parameter. Nonetheless, this isn't the situation in Java where it's discretionary. It assists with separating between the methods and data members of a class ...
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In ARIMA(1,0,0) Model i.e. Auto-regressive model, it is said that the coefficient must be less than 1 and only then this model is possible. Why?  
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How do you sort a list in Python without using sort() or sorting algorithms ?
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Hi, I need to know the set of questions asked by Fractal Analytics for Data Scientist for online test (1.30 hours and 13 questions). Please respond and provide the set of questions at earliest as the test is to be ...
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List the id , marks of all students whose marks doesn't fall under any grade.
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Anonymous 5 months 0 Answers 106 views