100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached 4.2 TrustPilot
logo-home
Class notes

Apuntes Parcial 1 R-Commander

Rating
3.8
(5)
Sold
-
Pages
9
Uploaded on
05-01-2018
Written in
2017/2018

Prácticos apuntes correspondientes al Parcial 1 de Análisis de Datos acompañados con capturas de pantalla de R-Commander. TEMAS: Análisis de datos, Frecuencias, Variables Cuantitativas, Tablas de contingencia, Correlación, Box-plot, R-Commander, Abrir R-Commander, Resumen estadísticos, Chi Cuadrado y Conjunto de datos en paquetes.

Show more Read less
Institution
Course










Whoops! We can’t load your doc right now. Try again or contact support.

Written for

Institution
Study
Course

Document information

Uploaded on
January 5, 2018
Number of pages
9
Written in
2017/2018
Type
Class notes
Professor(s)
Unknown
Contains
All classes

Subjects

Content preview

, Institut Químic de Sarrià - IQS
Marketing Internacional
M.V.G.




Índice


PARCIAL 1 ...................................................................................................................................... 2
Análisis de datos .................................................................................................................... 2
Frecuencias............................................................................................................................ 2
Variables Cuantitativas.......................................................................................................... 2
Tablas de contingencia .............................................................................................................. 4
Correlación ................................................................................................................................ 5
Box-plot ..................................................................................................................................... 6
R-Commander ............................................................................................................................... 7
Abrir R-Commander .................................................................................................................. 7
Resumen estadísticos ................................................................................................................ 7
Chi Cuadrado ............................................................................................................................. 7
Conjunto de datos en paquetes ................................................................................................ 8




1

, Institut Químic de Sarrià - IQS
Marketing Internacional
M.V.G.



PARCIAL 1

Análisis de datos
Es el proceso de inspección, limpieza, transformación i modelado de los datos con el objetivo de descubrir
información útil, sugerir conclusiones y ayudar a la toma de decisiones.

UNIVERSO: Conjunto de todos los elementos que tienen alguna cosa en común que nos interesa estudiar.

POBLACIÓN: Conjunto de todos los elementos del universo para los cuales, la variable en estudio toma valor.

MUESTRA: Subconjunto de la población, supuestamente representativo, que se toma para estudiar o determinar las
características de la información.

VARIABLE: Atributo que describe alguna cosa. Puede “variar” y toma valor.
- CUALITATIVA: no se puede “contar” no es un “número” Ejemplo: rubio o moreno.
- CUANTITATIVA: es cuantificable. Ejemplo: T, edad, precio…

TABLA DE CONTINGENCIA (Chi) Cualitativa.
G. PARETTO Cualitativa.
HISTOGRAMA Cuantitativa.
BOX-PLOT  Cuantitativa.
MATRIZ DE DIAGRAMAS DE DISPERSIÓN Cuantitativa.
ESTADÍSTICOS (resumen numérico…)  Cuantitativa.


Frecuencias
𝐹𝑟𝑒𝑐𝑢𝑒𝑛𝑐𝑖𝑎 𝑎𝑏𝑠𝑜𝑙𝑢𝑡𝑎 → 𝐹 (𝑡𝑎𝑛𝑡𝑎𝑠 𝑣𝑒𝑐𝑒𝑠 𝑞𝑢𝑒 𝑠𝑒 𝑟𝑒𝑝𝑖𝑡𝑎 𝑎𝑙𝑔𝑜)

𝐹 (𝑓𝑟𝑒𝑐𝑢𝑒𝑛𝑐𝑖𝑎 𝑎𝑏𝑠𝑜𝑙𝑢𝑡𝑎)
𝐹𝑟𝑒𝑐𝑢𝑒𝑛𝑐𝑖𝑎 𝑟𝑒𝑙𝑎𝑡𝑖𝑣𝑎 → 𝑓 = → 𝑒𝑛 % 𝑜 𝑡𝑎𝑛𝑡𝑜 𝑝𝑜𝑟 1
𝑁 (𝑚𝑒𝑑𝑖𝑑𝑎 𝑑𝑒 𝑙𝑎 𝑚𝑢𝑒𝑠𝑡𝑟𝑎)

𝐹𝑟𝑒𝑐𝑢𝑒𝑛𝑐𝑖𝑎 𝑎𝑐𝑢𝑚𝑢𝑙𝑎𝑑𝑎 → 𝐹𝑐 = 𝑓1 + 𝑓2 + 𝑓3 …
𝐹𝑐(𝑓𝑟𝑒𝑐𝑢𝑒𝑛𝑐𝑖𝑎 𝑎𝑐𝑢𝑚𝑢𝑙𝑎𝑑𝑎)
𝐹𝑟𝑒𝑐𝑢𝑒𝑛𝑐𝑖𝑎 𝑟𝑒𝑙𝑎𝑡𝑖𝑣𝑎 𝑎𝑐𝑢𝑚𝑢𝑙𝑎𝑑𝑎 → 𝑓𝑐 = → 𝑒𝑛 % 𝑜 𝑡𝑎𝑛𝑡𝑜 𝑝𝑜𝑟 1
𝑁 (𝑚𝑒𝑑𝑖𝑑𝑎 𝑑𝑒 𝑙𝑎 𝑚𝑢𝑒𝑠𝑡𝑟𝑎)




Variables Cuantitativas:
- Discretas
- Continuas




2
$4.84
Get access to the full document:
Purchased by 0 students

100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached

Reviews from verified buyers

Showing all 5 reviews
7 year ago

7 year ago

7 year ago

7 year ago

7 year ago

3.8

5 reviews

5
3
4
0
3
1
2
0
1
1
Trustworthy reviews on Stuvia

All reviews are made by real Stuvia users after verified purchases.

Get to know the seller

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
marvilagc Institut Químic de Sarrià IQS
Follow You need to be logged in order to follow users or courses
Sold
31
Member since
7 year
Number of followers
19
Documents
21
Last sold
7 year ago

Estudiante de la 1ª promoción de Marketing Internacional. Instagram: @marvilagc

4.5

26 reviews

5
17
4
6
3
2
2
0
1
1

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

Frequently asked questions