Layout-led · This is the most common and

Layout-led
discovery and data-led discovery are two different data exploration types,
which will help us in finding an answer to the questions we have, from the set
of data we possess.

Layout-led discovery method

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·      
We
can experience two different things while finding for an answer from the data
we have. In some cases, we know the doubts and questions already and, we know
where to find those answers.

·      
In
this method, we can make use of reports to deliver the business intelligence
and can make a decision.

·      
The
reports are the effective business intelligence tools here.

·      
This
is the most common and the widely used method in business intelligence.

·      
With
this method, we can only access that information which the report designer has
included in the report layout.

·      
Any
other information which is not included in the report layout during the design
phase, cannot be accessed.

·      
The
way the report layout has been designed has utmost importance here. If it doesn’t
provide the supportive details, the report will fail to give us the required information.

Data-led discovery method

·      
In
a few cases, when we know the question and but still not sure where to find the
answer for it, we may need the data itself to lead us to the answer.

·      
This
occurs when the information we receive in the beginning changes or modifies the
question.

·      
This
approach is being used when we find any anomality or irregularity in the
information we received. Then we may have to look at the data differently and
we tend to follow the data which leads us to the answer.

·      
Here, the information we
find decides where we will be heading next.

·      
The developer of this
solution type will not know where the user wants to go. So, the developer should
develop such an interactive mechanism which is flexible enough for the user to navigate
through the data as per his will.

·      
This interactive mechanism
helps in drilling down the report and viewing the report in many different
perspectives.

·      
This method should be
performed online as one data leads to another, which can’t be performed on a
sheet of paper.