Summary
Summary Cheat Sheet Introduction to Data Science
- Course
- Institution
A brief overview of the lectures of the course Introduction to Data Science.
[Show more]
Seller
Follow
berendmarkhorst
Reviews received
Content preview
IntroductionProject Life Cycle
Data Exploration
, Measure of Measure of
Central
tender : van
ability :
the
the value →
spread around the
• °
→ variante
average
men .
men .
•
media → the middlevalue °
Standard deviatie
the
'
mode the meest Standard
frequent value of
•
→ °
error
. man .
Statistical particular distribution
Many or machine
learning methods only work with .
Normen Uniform Exponentieel Poisson Bimodel
n n - m
-
If find mistake, fix or delete it
join
a .
If find an outlier trim winsuite or delete it
join ,
.
,
↳
denge He took %
gne
- He
Positive steen rednced to the sort
is
by .
gratie .
using
the
spare
roof or
log .
✓, vz Visuele
\
- -
-
telde
categoriaal categoriaal cross -
at . cont .
boxplot
shew sober
positive continuas cont .
plot .
G
Boxplot and Lower band
Negatiethe
steen remt
bij boxes the
#
is :
Upper of are
sopraang
data values .
↳
% ,
25k and 75k percent Centerquark Range)
IN"
whiskey min and values unless there is
\
are max
¥ an ondier .
An ondier
beyond
°
is 1.5 IQR .
steen
negatie
Data Wrangling
} IIItijdrit ! .pk
it eten .
ha Dorp understand what
aanging
a. .
•
have
join
.
,
data and weduwes of
transformatie
strengthabout data
°
assess
jour .
what
Stages of
wroeging hypothese to do with
goudata
•
: .
it
Raw → data
ingestaan &
discovery yet reedy
• •
.
.
•
Retinol
•
Production
Wroeging issues :
Subjectie geding
structure
•
the shape
" "
of datakte → e. Is XML Tables etc
g.
-
a om .
, , ,
Low linehouse attributen
granulaat is each datum →
given Relation ,
key unigndy
•
a
-
a
fairness kon en dus the data determine the value each record
capture reality
•
-
-
" " in .
hou ontken &
temporalis is the datasiterated intieme ↳
goed date
cleaning hygiene
•
-
.
-
hou (incomplete is the date
scope
•
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller berendmarkhorst. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.28. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
53068 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now