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Maths Skills For DataScience

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Data Science Math Skills Mathematics plays a crucial role in the field of data science, serving as the foundation upon which various analytical techniques are built. The relevance of mathematics in data science is emphasized by its application in statistical analysis, machine learning, and data modeling, all of which are essential for interpreting complex data sets. Statistics enables data scientists to summarize and analyze data effectively. For instance, concepts such as mean, median, mode, variance, and standard deviation help in understanding the distribution of data. Moreover, inferential statistics, which uses sample data to make generalizations about a population, is vital for hypothesis testing and determining the reliability of conclusions drawn from data. The increasing reliance on data-driven decision-making in industries such as healthcare and finance demonstrates the importance of statistical analysis. Techniques like regression analysis help predict outcomes by analyzing ...
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Data Analyst Skills

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The job of a data analyst has become more and more crucial in today's data-driven environment. The purpose of data analysts is to gather, process, and analyze information to help businesses make informed decisions. This industry requires certain skills to thrive. First, a data analyst must possess strong analytical skills. People can use these skills to analyze intricate datasets and arrive at insightful conclusions. A data analyst's success depends on their capacity to think critically and approach issues logically. Also, expertise in data visualization tools is another crucial skill set. Representing data graphically makes it simpler to comprehend, which is the goal of data visualization. Analysts can produce dashboards and visual reports that convey insights effectively using tools like Google Data Studio, Power BI, and Tableau. Additionally, programming expertise in languages like Python or R is becoming more important for data analysts. With these programming languages, an...
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Django Class Based Views Blog App

 Models class Blog(models.Model):     title = models.CharField(max_length =200)     description = models.TextField()     def __str__(self):         return self.title Python manage.py makemigrations Python manage.py migrate views from .models import Blog from django.views.generic.edit import CreateView from django.views.generic.list import ListView from django.views.generic.edit import DeleteView from django.views.generic.edit import UpdateView class BlogCreate(CreateView):     model =  Blog     fields = '__all__'     success_url = '/blog' class BlogList(ListView):     model = Blog class BlogDelete(DeleteView):     model = Blog     success_url = '/list' class BlogUpdate(UpdateView):     model = Blog     fields = '__all__'     template_name = 'dapp/blog_form.html'     success_url = '/list' urls from .views import BlogCreate from .v...
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Django Search

 Html Form <form action="{% url 'search' %}" method="GET">       <input type="text" placeholder="Search.." name="q">       <button type="submit">Submit</button>     </form> views.py def query(request):     q = request.GET['q']     results = Image.objects.filter(name__icontains=q)     context= {         'results': results,     }     return render(request,"site.html",context) urls.py urlpatterns = [         path('search/',views.query,name='search'), ]
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Django Image Uploads

  Models.py from django.db import models # Create your models here. class Image(models.Model):     name = models.CharField(max_length=50)     image = models.ImageField(blank=True,upload_to='img')     def __str__(self):         return f"{self.name}" Admin.py from django.contrib import admin from .models import Image # Register your models here. admin.site.register(Image) Views.py from django.shortcuts import render from .models import Image # Create your views here. def view(request):     data = Image.objects.all()     context = {         'data':data     }     return render(request,"index.html",context) URLS.py from django.urls import path from . import views urlpatterns = [     path('',views.view), ] HMTL (Index.html) <!DOCTYPE html> <html> <head> <style> ul {   list-style-type: none;   margin: 0px 0px;   padding: 10px 400px;...
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Django Model Form

Models.py from django.db import models # Create your models here. class Students(models.Model):     sid = models.CharField(max_length=15)     name = models.CharField(max_length=100)     email = models.EmailField(max_length=50) py manage.py makemigrations students py manage.py  migrate Forms.py from django import forms from django.forms import ModelForm from .models import Students class StudentForm(forms.ModelForm):     class Meta:         model = Students         fields = "__all__" Views.py from django.shortcuts import render from .forms import StudentForm from .models import Students # Create your views here. def students(request):     form = StudentForm()     if request.method == "POST":         form = StudentForm(request.POST)         if form.is_valid():             form.save()     return render(reque...
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Flask and Sqlite Basic Crud Python Tutorial

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Flask app.py from flask import Flask, render_template, request, redirect import sqlite3 app = Flask(__name__) @app.route('/') def view():     con = sqlite3.connect("product.db")     con.row_factory =sqlite3.Row     cur = con.cursor()     cur.execute("SELECT * FROM PRODUCTS")     rows = cur.fetchall()     return render_template("viewdata.html",rows=rows) @app.route('/add<int:id>') def add(id):     con= sqlite3.connect("product.db")     con.row_factory =sqlite3.Row     cur = con.cursor()     cur.execute("INSERT INTO KART2 (id,name,price) SELECT id,name,price FROM PRODUCTS WHERE id = ?",[id])     con.commit()     cur = con.cursor()     cur.execute("SELECT * FROM kart2")     rows = cur.fetchall()     return render_template("kart.html",rows=rows) @app.route('/kart') def kart():     con = sqlite3.connect("product.db")   ...
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