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Responsibilities of a Data Analyst IBM Lesson 18

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while the role of a data analyst

varies depending on the type of

organization and the extent to which it

has adopted data-driven practices

there are some responsibilities that are

typical to a data analyst role in

today's organizations

these include acquiring data from

primary and secondary data sources

creating queries to extract required

data from databases

and other data collection systems filtering

filtering

cleaning standardizing and reorganizing

data in preparation for data analysis

using statistical tools to interpret

data sets

using statistical techniques to identify

patterns and

correlations in data analyzing patterns in

complex data sets and interpreting

trends preparing reports and charts that

effectively communicate trends and patterns

patterns

creating appropriate documentation to

define and

demonstrate the steps of the data

analysis process

corresponding to these responsibilities

let's look at some of the skills that

are valuable for a data analyst

the data analysis process requires a

combination of technical

functional and soft skills let's first

look at some of the technical skills

that you need in your role as a data analyst

analyst

these include expertise in using

spreadsheets such as microsoft excel or

google sheets

proficiency in statistical analysis and

visualization tools

and software such as ibm cognos ibm

spss oracle visual analyzer microsoft

power bi

sas and tableau proficiency in at least

one of the programming languages

such as r python and in some cases c

plus plus java and matlab good knowledge

of sql

an ability to work with data in

relational and nosql databases

the ability to access and extract data

from data repositories

such as data marts data warehouses data

lakes and data pipelines

familiarity with big data processing

tools such as

hadoop hive and spark we will understand

more about the features and

use cases of some of these programming

languages databases

data repositories and big data

processing tools

further along in the course now let's

look at some of the functional skills

that you require

for the role of data analysts these

include proficiency and statistics to

help you

analyze your data validate your analysis

and identify

fallacies and logical errors analytical

skills that help you research

and interpret data theorize and make forecasts

forecasts

problem-solving skills because

ultimately the end goal

of all data analysis is to solve problems

problems

probing skills that are essential for

the discovery process

that is for understanding a problem from

the perspective of varied stakeholders

and users

because the data analysis process really

begins with a clear articulation of the

problem statement

and desired outcome data visualization skills

skills

that help you decide on the techniques

and tools that present your findings

effectively based on your audience

type of data context and end goal of

your analysis

project management skills to manage the process

process

people dependencies and timelines of the initiative

initiative

that brings us to your soft skills as a

data analyst

data analysis is both a science and an art

art

you can ace the technical and functional expertise

expertise

but one of the key differentiators for

your success

is going to be soft skills this includes

your ability to work collaboratively

with business and cross-functional teams

communicate effectively to report and

present your findings

tell a compelling and convincing story and

and

gather support and buy-in for your work above

above

all being curious is at the heart of

data analysis

in the course of your work you will

stumble upon patterns

phenomena and anomalies that may show

you a different path

the ability to allow new questions to surface

surface

and challenge your assumptions and

hypotheses makes for a great analyst

you will also hear data analysis

practitioners talk about

intuition as a must-have quality it's

essential to note that intuition

in this context is the ability to have a

sense of the future

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