epub, mobi, pdf |eng | 2016-12-06 | Author:Jake VanderPlas

In[11]: plt.imshow(I, cmap=plt.cm.get_cmap('Blues', 6)) plt.colorbar() plt.clim(-1, 1); Figure 4-56. A discretized colormap The discrete version of a colormap can be used just like any other colormap. Example: Handwritten Digits For ...

epub, mobi, pdf |eng | 2017-08-17 | Author:Juan Nunez-Iglesias, Stéfan van der Walt, Harriet Dashnow

import numpy as np pred = np.array([0, 1, 0, 0, 1, 1, 1, 0, 1, 1]) You can check how well you’ve done by comparing it to a vector of ...

azw3, epub |eng | 2019-03-29 | Author:Francisco Juretig

epub |eng | 2019-03-29 | Author:Rudy Lai

Testing our custom RDD Let's start this test to check if this has created our RDD. By doing this, we can extend our parent RDD and add behavior to our ...

epub |eng | 2019-03-15 | Author:Will Button

Then we're going to use async and await to get the deployed version of our contract from the Ethereum network. So, let me break a async and await down for ...

epub, pdf |eng | 2019-02-13 | Author:Arjuna Sky Kok

def fillPosts(self, posts): self.clearTweetsField() for post in posts: label_field = QtWidgets.QLabel(post) self.tweets_layout.addWidget(label_field) The same strategy is used in the two following methods. We clear the bookmark widgets from the bookmarks ...

epub, pdf |eng | 2019-11-24 | Author:Aileen Nielsen [Aileen Nielsen]

Scatter plots The traditional method of using scatter plots is just as useful for time series data as it is for other kinds of data. We can use scatter plots ...

epub | | | Author:Machine Learning in Python

Our tree has an accuracy of 0.838 on the training set. But remember that this is not a good indicator. This is especially true for decision trees as this method ...

epub |eng | 2019-03-29 | Author:Krish Naik

portfolio_returns=[] portfolio_volatilities=[] for x in range(1000): weights=np.random.random(num_assets) weights/=np.sum(weights) portfolio_returns.append(np.sum(weights*log_returns.mean())*250) portfolio_volatilities.append(np.sqrt(np.dot(weights.T,np.dot(log_returns.cov(),weights)))) portfolio_returns,portfolio_volatilities The output generated is shown in the following screenshot: In the loop, we are generating two weights, whose sums ...

epub |eng | 2019-02-26 | Author:Fabian Hueske

Implementing Operator List State with the ListCheckpointed Interface Operator state is managed per parallel instance of an operator. All events that are processed in the same parallel task of an ...

epub |eng | 2019-03-28 | Author:Tony Holdroyd

import numpy as np import matplotlib.pyplot as plt %matplotlib inline Preprocessing the data Then, we load the data. For this application, we will use the fashion_mnist dataset, which was designed ...

epub |eng | | Author:Panagiotis Karampelas & Jalal Kawash & Tansel Özyer

Graph Embedding There have been many approaches to learning low-dimensional representations for graphs [4, 24, 29]. Inspired by the recent advancement in language modeling and deep learning [20], a series ...

mobi |eng | 2018-08-07 | Author:Eve Porcello and Alex Banks

npm remove apollo-server Then, let’s install Apollo Server Express and Express: npm install apollo-server-express express Express Express is by far one of the most popular projects in the Node.js ecosystem. ...

epub |eng | 2018-08-07 | Author:Eve Porcello & Alex Banks

var photos = [ { ... "created": "3-28-1977" }, { ... "created": "1-2-1985" }, { ... "created": "2018-04-15T19:09:57.308Z" } ] Now, when we add DateTime fields to our selection sets, ...

epub |eng | 2018-12-27 | Author:Raúl Estrada

Before continuing to write code, let's remember the project requirements for the Kioto stream processing engine. Putting it all together, the specification is to create a stream engine that does ...