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Summary

Summary Cheat Sheet Introduction to Data Science

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A brief overview of the lectures of the course Introduction to Data Science.

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Uploaded on
December 18, 2019
Number of pages
8
Written in
2019/2020
Type
Summary

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Introduction


Project 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 ,
.

,




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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 .




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Boxplot and Lower band
Negatiethe
steen remt
bij boxes the

#
is :
Upper of are



sopraang
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IN"
whiskey min and values unless there is



\
are max


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An ondier
beyond
°



is 1.5 IQR .




steen
negatie


Data Wrangling
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it eten .




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have
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.



,


data and weduwes of
transformatie
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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

-


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scope
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Hoi! Ik ben Berend, ik kom uit Amsterdam en ik ben in 2016 (cum laude) afgestudeerd aan het IG (St. Ignatiusgymnasium). Hier heb ik hard voor gewerkt en daar de nodige samenvattingen bij gemaakt. Door middel van deze site kun jij daar nu ook gebruik van maken (en kan ik er m'n lunch tijdens m'n studie mee bekostigen). Groetjes, Berend

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