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cognitiveclass.ai-python-for-data-science icon cognitiveclass.ai-python-for-data-science

Course link: https://cognitiveclass.ai/courses/python-for-data-science/ Python for Data Science these are notebooks from the course This introduction to Python will kickstart your learning of Python for data science, as well as programming in general. This beginner-friendly Python course will take you from zero to programming in Python in a matter of hours. Upon its completion, you'll be able to write your own Python scripts and perform basic hands-on data analysis using our Jupyter-based lab environment. If you want to learn Python from scratch, this free course is for you.

datasets icon datasets

A collection of datasets of ML problem solving

imputation-of-missing-values-matlab- icon imputation-of-missing-values-matlab-

datasets contain missing values, often encoded NaNs or other placeholders. Instead of discarding rows containing missing values that comes a price of losing data which may be valuable. One can impute the missing values, i.e., to infer them from the known part of the data. The Imputer function provides basic strategies for imputing missing values, either using the mean, the median or the most frequent value of the column in which the missing values are located, Just like the Scikit learn version.

multinomial-2d-toy-data-for-classification- icon multinomial-2d-toy-data-for-classification-

This function generates some multinomial toy-data for classification Input a:column vector repenting decision boundary in the form: f(x)=a[0]+a[1]x1+a[2]x2+a[3]x1x2+a[4]x1^2+a[5]x2^3 NumberSamples: number of samples Output Out[1]:y lables such that f(xi)<=0 yi=1 and f(xi)>0 yi=2 Out[0]:X 2d feature vectors with rows corresponding to x Needs:numpy

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