Handle all data scenarios

[ashutoshrana171]

Handle irregular data scenarios for the brain dataset along with test scenarios

Description

Brain Language Metrics on Earnings Calls data:

• File 1: metrics_earnings_calls_$date.csv
  -- The file contains the language metrics calculated on the earnings call transcripts for a specific date.
• File 2: differences_earnings_call_$date.csv
  -- The file contains the similarity measures and differences of the language metrics between the two last earnings call transcripts (last quarter Q and previous quarter Q-1) available for each stock on the specific export $date.

Related Issue

Motivation and Context

Handle irregular data scenarios for the brain dataset along with test scenarios

Requires Documentation Change

Yes

How Has This Been Tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• Refactor (non-breaking change which improves implementation)
• Performance (non-breaking change which improves performance. Please add associated performance test and results)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Non-functional change (xml comments/documentation/etc)

Checklist:

• My code follows the code style of this project.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.
• My branch follows the naming convention bug-<issue#>-<description> or feature-<issue#>-<description>