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Category: Video

Snowflake Tutorial Series: Episode 3

Using External Tables Inside Snowflake to work with Freddie Mac public data (13 million loans across 116 fields)

Using Freddie Mac public loan data as an example, this five-minute tutorial succinctly demonstrates how to:

  1. Create a storage integration
  2. Create an external stage
  3. Grant access to stage to other roles in Snowflake
  4. List objects in a stage
  5. Create a format file
  6. Read/Query data from external stage without having to create a table
  7. Create and use an external table in Snowflake

This is the third in a 10-part tutorial series demonstrating how RiskSpan’s Snowflake integration makes mortgage and structured finance analytics easier than ever before.

Episode 1, Setting Up a Database and Uploading 28 Million Mortgage Loans, is available here.

Episode 2, Using Python User-Defined Functions in Snowflake SQL, is available here.

Future topics will include:

  • OLAP vs OLTP and hybrid tables in Snowflake
  • Time Travel functionality, clone and data replication
  • Normalizing data and creating a single materialized view
  • Dynamic tables data concepts in Snowflake
  • Data share
  • Data masking
  • Snowpark: Data analysis (pandas) functionality in Snowflake

RiskSpan’s Snowflake Tutorial Series: Ep. 2

Learn how to use Python User-Defined Functions in Snowflake SQL

Using CPR computation for a pool of mortgage loans as an example, this six-minute tutorial succinctly demonstrates how to:

  1. Query Snowflake data using SQL
  2. Write and execute Python user-defined functions inside Snowflake
  3. Compute CDR using Python UDF inside Snowflake SQL

This is this second in a 10-part tutorial series demonstrating how RiskSpan’s Snowflake integration makes mortgage and structured finance analytics easier than ever before.

Episode 1, Setting Up a Database and Uploading 28 Million Mortgage Loans, is available here.

Future topics will include:

  • External Tables (accessing data without a database)
  • OLAP vs OLTP and hybrid tables in Snowflake
  • Time Travel functionality, clone and data replication
  • Normalizing data and creating a single materialized view
  • Dynamic tables data concepts in Snowflake
  • Data share
  • Data masking
  • Snowpark: Data analysis (pandas) functionality in Snowflake

RiskSpan’s Snowflake Tutorial Series: Ep. 1

Learn how to create a new Snowflake database and upload large loan-level datasets

The first episode of RiskSpan’s Snowflake Tutorial Series has dropped!

This six-minute tutorial succinctly demonstrates how to:

  1. Set up a new Snowflake #database
  2. Use SnowSQL to load large datasets (28 million #mortgage loans in this example)
  3. Use internal staging (without a #cloud provider)

This is this first in what is expected to be a 10-part tutorial series demonstrating how RiskSpan’s Snowflake integration makes mortgage and structured finance analytics easier than ever before.

Future topics will include:

  • Executing complex queries using python functions in Snowflake’s SQL
  • External Tables (accessing data without a database)
  • OLAP vs OLTP and hybrid tables in Snowflake
  • Time Travel functionality, clone and data replication
  • Normalizing data and creating a single materialized view
  • Dynamic tables data concepts in Snowflake
  • Data share
  • Data masking
  • Snowpark: Data analysis (pandas) functionality in Snowflake

Model Validation Programs – Optimizing Value in Model Risk Groups

Watch RiskSpan Managing Director, Tim Willis, discuss how to optimize model validation programs. RiskSpan’s model risk management practice has experience in both building and validating models, giving us unique expertise to provide very high quality validations without diving into activities and exercises of marginal value.

 

Talk Scope

 


Analytics-as-a-Service – CECL Forecasting

The RiskSpan Edge Platform CECL Module delivers the technology platform and expertise to take you from where you are today to producing audit-ready CECL estimates. Our dedicated CECL Module executes your monthly loss reserving and reporting process under the new CECL standard, covering data intake, segmentation, modeling, and report generation within a single platform. Watch RiskSpan Director David Andrukonis explain the Edge CECL Module in this video.

 

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RiskSpan Edge Platform API

The RiskSpan Edge Platform API enables direct access to all data from the RS Edge Platform. This includes both aggregate analytics and loan-and pool-level data.  Standard licensed users may build queries in our browser-based graphical interface. But, our API is a channel for power users with programming skills (Python, R, even Excel) and production systems that are incorporating RS Edge Platform components as part of their Service Oriented Architecture (SOA).

Watch RiskSpan Director LC Yarnelle explain the Edge API in this video!

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Data-as-a-Service – Credit Risk Transfer Data

Watch RiskSpan Managing Director Janet Jozwik explain our recent Credit Risk Transfer data (CRT) additions to the RS Edge Platform.

Each dataset has been normalized to the same standard for simpler analysis in RS Edge, enabling users to compare GSE performance with just a few clicks. The data has also been enhanced to include helpful variables, such as mark-to-market loan-to-value ratios based on the most granular house price indexes provided by the Federal Housing Finance Agency. 

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