Creating a Racing Bar Chart using the Covid-19 Dataset

Make your bar chart come to life

In my previous two articles on data analytics using the Covid-19 dataset, I first

The Covid-19 dataset is a good candidate for exploring and understanding data analytics and visualisation. In this article, I will show you how to create a dynamic chart in matplotlib. In particular, I will create a racing bar chart to dynamically display the number of confirmed cases in each country as the days go by. At the end of this article, you will be able to see a chart like this:

Image for post

Wrangling the Data

For a start, let’s use Jupyter Notebook to clean and filter all the data so that you have a clean dataset. Once the data is prepared, you will then be able to focus on creating the bar chart.

Importing the Packages

The first step is to import all the packages that you will be using for this project:

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import datetime

#convid-19 #dataframes #pandas #matplotlib #racing-bar-chart

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Creating a Racing Bar Chart using the Covid-19 Dataset
Osiki  Douglas

Osiki Douglas

1620127560

Data Scientist Creates Python Script To Track Available Slots For Covid Vaccinations

Bhavesh Bhatt, Data Scientist from Fractal Analytics posted that he has created a Python script that checks the available slots for Covid-19 vaccination centres from CoWIN API in India. He has also shared the GitHub link to the script.

The YouTube content creator posted, “Tracking available slots for Covid-19 Vaccination Centers in India on the CoWIN website can be a bit strenuous.” “I have created a Python script which checks the available slots for Covid-19 vaccination centres from CoWIN API in India. I also plan to add features in this script of booking a slot using the API directly,” he added.

We asked Bhatt how did the idea come to fruition, he said, “Registration for Covid vaccines for those above 18 started on 28th of April. When I was going through the CoWIN website – https://www.cowin.gov.in/home, I found it hard to navigate and find empty slots across different pin codes near my residence. On the site itself, I discovered public APIs shared by the government [https://apisetu.gov.in/public/marketplace/api/cowin] so I decided to play around with it and that’s how I came up with the script.”

Talking about the Python script, Bhatt mentioned that he used just 2 simple python libraries to create the Python script, which is datetime and requests. The first part of the code helps the end-user to discover a unique district_id. “Once he has the district_id, he has to input the data range for which he wants to check availability which is where the 2nd part of the script comes in handy,” Bhatt added.

#news #covid centre #covid news #covid news india #covid python #covid tracing #covid tracker #covid vaccine #covid-19 news #data scientist #python #python script

Creating a Racing Bar Chart using the Covid-19 Dataset

Make your bar chart come to life

In my previous two articles on data analytics using the Covid-19 dataset, I first

The Covid-19 dataset is a good candidate for exploring and understanding data analytics and visualisation. In this article, I will show you how to create a dynamic chart in matplotlib. In particular, I will create a racing bar chart to dynamically display the number of confirmed cases in each country as the days go by. At the end of this article, you will be able to see a chart like this:

Image for post

Wrangling the Data

For a start, let’s use Jupyter Notebook to clean and filter all the data so that you have a clean dataset. Once the data is prepared, you will then be able to focus on creating the bar chart.

Importing the Packages

The first step is to import all the packages that you will be using for this project:

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import datetime

#convid-19 #dataframes #pandas #matplotlib #racing-bar-chart

How To Create Dynamic Bar Chart In Laravel

Today I will show you how to create dynamic bar chart in laravel, dynamic bar charts are use to representing data in graphics view, for creation of dynamic bar chart example you need to create route, controller, blade file and database, So if you will follow my tutorial step by step then definitely you will get output.

So, let’s start.

Read More : How To Create Dynamic Bar Chart In Laravel
https://websolutionstuff.com/post/how-to-create-dynamic-bar-chart-in-laravel


Read Also : How To Create Dynamic Pie Chart In Laravel
https://websolutionstuff.com/post/how-to-create-dynamic-pie-chart-in-laravel

Thanks for reading !!

#laravel #dynamic bar chart #bar chart #bar chart in laravel

Anna Yusef

Anna Yusef

1612362000

Charting COVID-19 Data With Python

Charting provides a powerful way to visualize and explore your data by helping to uncover patterns, trends, relationships, and structures that might not be apparent when looking at a table or map. The COVID-19 pandemic has created voluminous streams of data for scientists, researchers, and decision-makers to visualize, analyze, and understand through a variety of data analysis packages and tools.

This blog walks through visualizing characteristics and trends of the COVID-19 pandemic in the United States during 2020 using the integration between Python and ArcGIS Platform.

Preparing the Data

To get started, I’ll load and prepare the data using pandas, but you can use whatever Python tools you prefer. I’m acquiring the data from the New York Times COVID-19 data repository (publicly accessible here), and I’m filtering the data to include only dates from the complete year of 2020.

import pandas as pd
from arcgis.features import GeoAccessor
import arcpy
arcpy.env.workspace = 'memory'

DATA_URL = 'https://raw.githubusercontent.com/nytimes/covid-19-data/master/us-states.csv'
# load data with pandas, create new fields, and filter

daily_df = (
    pd.read_csv(DATA_URL, parse_dates=['date'])
        .sort_values(['state', 'date'])
        .rename(columns={
            'cases': 'cases_total',
            'deaths': 'deaths_total'
        })
        .assign(
            cases_new = lambda df: df.groupby('state')['cases_total'].diff().clip(lower=0),
            deaths_new = lambda df: df.groupby('state')['deaths_total'].diff().clip(lower=0)
        )
        .query("'2020-01-01' <= date <= '2020-12-31'")
        .reset_index(drop=True)
)

Here’s a quick look at the prepared dataset. Notice that there is an individual row for each date and state combination. These rows will be summarized and aggregated when I visualize this data with charts.

#python #covid-19 #covid 19 #charting

Einar  Hintz

Einar Hintz

1593235440

Visualizing data with NGX-Charts in Angular

Data Science, Data Analytics, Big Data, these are the buzz words of today’s world. A huge amount of data is being generated and analyzed every day. So communicating the insights from that data becomes crucial. Charts help visualize the data and communicate the result of the analysis with charts, it becomes easy to understand the data.

There are a lot of libraries for angular that can be used to build charts. In this blog, we will look at one such library, NGX-Charts. We will see how to use it in angular and how to build data visualizations.

What we will cover:

  1. Installing ngx-chart.

  2. Building a vertical bar graph.

  3. Building a pie chart.

  4. Building an advanced pie chart.

A brief introduction about NGX-Charts

NGX-Chart charting framework for angular2+. It’s open-source and maintained by Swimlane.

NGX-Charts does not merely wrap d3, nor any other chart engine for that matter. It is using Angular to render and animate the SVG elements with all of its binding and speed goodness and uses d3 for the excellent math functions, scales, axis and shape generators, etc. By having Angular do all of the renderings it opens us up to endless possibilities the Angular platform provides such as AoT, Universal, etc.

NGX-Charts supports various chart types like bar charts, line charts, area charts, pie charts, bubble charts, doughnut charts, gauge charts, heatmap, treemap, and number cards.

Installation and Setup

1. Install the ngx-chart package in your angular app.

npm install @swimlane/ngx-charts --save

2. At the time of installing or when you serve your application is you get an error:

ERROR in The target entry-point "@swimlane/ngx-charts" has missing dependencies: - @angular/cdk/portal

You also need to install angular/cdk

npm install @angular/cdk --save

3. Import NgxChartsModule from ‘ngx-charts’ in AppModule

4. NgxChartModule also requires BrowserAnimationModule. Import is inAppModule.

app.module.ts

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';
import { NgxChartsModule }from '@swimlane/ngx-charts';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    BrowserAnimationsModule,
    NgxChartsModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

Amazing! Now we can start using ngx-chart component and build the graph we want.

In the AppComponent we will provide data that the chart will represent. It’s a sample data for vehicles on the road survey.

#angular #angular 6 #scala #angular #angular 9 #bar chart #charting #charts #d3 charts #data visualisation #ngx #ngx charts #pie