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Let’s see the unique value for the income target variable and see the distribution of income:df[‘income’].value_counts() The result is as follows: Figure 1.19 – Distribution of income As shown in the results, there are 24,720 observations with an income greater than $50K and 7,841 observations with an income of less than $50K. In the real […]
In this section, we are going to explore each variable separately. We are going to summarize the data for each feature and analyze the pattern present in it. Univariate analysis is an analysis using individual features. We will also perform a bivariate analysis later in this section. Univariate analysis Now, let us do a univariate […]
Imagine embarking on a journey through an expansive ocean of data, where within this vastness are untold stories, patterns, and insights waiting to be discovered. Welcome to the world of data exploration in machine learning (ML). In this chapter, I encourage you to put on your analytical lenses as we embark on a thrilling quest. […]
In the preceding code block, we created the exerciseList signal by declaring it to contain ExerciseSetList and initializing it with an empty list. Then, we changed the getInitialList method toupdate the exerciseList signal based on the API return. We also changed the delete method to update the signal after deleting the diary entry. As we […]
Controlling the state of a frontend application is one of the biggest challenges for a developer, as by nature, the interface is dynamic and needs to react to various user actions. Angular, with its stacks included philosophy, already had tools suitable for this task, and we studied in Chapters 5, Angular Services and the Singleton […]
The unit tests were also adjusted to consider the component dependencies in the TestBed definition, and you can find the test code in the GitHub repository of this chapter. The last adjustment must be made in the DiaryModule module:@NgModule({ declarations: [ NewEntryFormTemplateComponent, NewEntryFormReactiveComponent, ], imports: [ CommonModule, DiaryRoutingModule, RouterModule, FormsModule, ReactiveFormsModule, ],})export class DiaryModule {} As we will dynamically load the components that were converted to […]
Since version 2 of the framework, the HTML template syntax has remained relatively stable and without much evolution. By using custom properties, we can evaluate conditions and iterate over lists and other forms of flow control to create visualization logic in components. The *ngIf, *ngFor, and *ngSwitch directives are used to improve the developer experience, […]
Until this chapter, we have been using the web server included in the Angular package to run our application locally. Although very competent, it focuses purely on the developer’s experience and does not have the performance and scalability capabilities required by the production environment. For this purpose, we use production-grade web servers. One of the […]
The environmental needs of a frontend application running in production are different from the development environment we have seen so far in the book. When we are developing, we look for speed in compilation, powerful debugging, and profiling tools to analyze our code, as well as generating boilerplate code, among other features. Even though it […]
After finishing the task of deploying our backend, we need to change our frontend project to make requests to our cloud infrastructure. But here, a problem arises. We want to access our published backend when we are in production, but the team needs to continue accessing the API locally to develop new features in a […]
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