Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Summary

Summary Data Science - Beginners

Rating
-
Sold
-
Pages
2
Uploaded on
23-04-2023
Written in
2022/2023

These notes are written records of the process and findings of data analysis, often including code snippets, visualizations, and explanations.

Institution
Course

Content preview

What is Data Science?
Data science is a process of getting insights from your data using technology. Microsoft
Excel cannot work on this huge volume of data because the data is not data it is big data all
right so for big data you need advanced technology and tools such as Python and R these
are the programming languages that data scientists use to perform data analysis for data
store and distributed computing. Data scientists spend their time on the next step after data
cleaning and visualization is building a model. Data scientists then deploy their model to
production and then start collecting insight or start doing predictive analysis. Amazon uses
data science to give you product recommendations the video recommendations on Amazon
Prime it will use all your past data as well.



Data Science courses are designed to provide students with the knowledge and skills
required to become proficient in this field. Here are some key topics that are typically
covered in a Data Science course:

1. Introduction to Data Science:

Data Science is a field that uses various tools, including coding, statistics, and math, to work
creatively with data and gain insights. The goal of data science is to find order and value in
unstructured data, and use it to answer research questions. Data Science is an inclusive
analysis, which means that it considers all data available to provide the most insightful and
compelling answer. It is a practical field designed to accomplish something, whether it is
solving a business problem or making a scientific discovery. Domain knowledge is an
essential component of Data Science, as understanding the mechanics of what is going on in
a particular field will make it easier to implement the results of an analysis.

2. Data Exploration and Preparation:

Data exploration and preparation is a crucial step in the Data Science process. It involves
cleaning, transforming, and analysing raw data to make it usable for further analysis. This
step can involve removing missing or invalid data, transforming data into a standard format,
and identifying outliers or anomalies in the data. Data exploration techniques, such as data
visualization, can be used to identify patterns and relationships within the data. Data
exploration and preparation ensure that the data is ready for modelling and evaluation.

3. Data Modelling and Evaluation:

Data modelling and evaluation is the process of building statistical models to extract insights
from data. This step involves selecting the appropriate model for a given problem, such as
regression, clustering, or classification. Once the model is built, it must be evaluated to
ensure that it is accurate and effective. Evaluation techniques, such as cross-validation and
model selection, can be used to determine the effectiveness of the model. The model can
then be refined or improved based on the evaluation results.

Written for

Course

Document information

Uploaded on
April 23, 2023
Number of pages
2
Written in
2022/2023
Type
SUMMARY

Subjects

$6.29
Get access to the full document:

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Get to know the seller
Seller avatar
ishugupta

Get to know the seller

Seller avatar
ishugupta Indian Institute of Madras
Follow You need to be logged in order to follow users or courses
Sold
-
Member since
3 year
Number of followers
0
Documents
1
Last sold
-

0.0

0 reviews

5
0
4
0
3
0
2
0
1
0

Recently viewed by you

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions