Parsing Nested JSON Dictionaries in SQL - Snowflake Edition
How to parse nested dictionaries in Snowflake table columns using SQL
Posts by Category
sql
Creating a 4-5-4 Retail Calendar using SQL and dbt
Using SQL and dbt, we create a date dimension table using a retail/merchandising calendar known as a 4-5-4 calendar.
Random Sampling Within Groups using SQL
How to randomly select rows within a subset or group of your data using SQL
SQL Window Functions to Pass a Data Analytics Interview (Opinionated SQL Series Part 2/N)
An opinionated introduction to ‘advanced’ SQL for data warehouse platforms, such as Redshift, Snowflake and Teradata, Part 2 of N
An Opinionated Introduction to Data Warehouse Query Strategies, Part 1 of N
An opinionated introduction to query strategies for data warehouse platforms, such as Redshift, Snowflake and Teradata
Confidence Intervals in SQL, when no real mathematicians are looking
How to calculate approximations of confidence intervals for proportions & probabilities in SQL
julia
Solving a Production Problem using Linear Programming in Julia - 2 Ways
We try to solve a plant production example problem using linear programming with Julia using two different formulations.
JuliaCon 2018
We’ll be at JuliaCon 2018 from August 7th to 11th in London to learn more about this exciting language and community. Let us know if you’ll be there - we’d l...
A Warehouse Allocation Example using Julia
We solve a textbook optimization example involving planning multiple warehouse locations using Julia
Wedding Table Assignment Problem using Julia
A Julia port from Python of the Wedding Table Assignment example from PuLP.
optimization
Solving a Production Problem using Linear Programming in Julia - 2 Ways
We try to solve a plant production example problem using linear programming with Julia using two different formulations.
A Warehouse Allocation Example using Julia
We solve a textbook optimization example involving planning multiple warehouse locations using Julia
Wedding Table Assignment Problem using Julia
A Julia port from Python of the Wedding Table Assignment example from PuLP.
tableau
Confidence Intervals, when no real mathematicians are looking - Tableau Edition
How to calculate approximations of confidence intervals for proportions & probabilities in Tableau
Tableau Redshift to Snowflake Converter
Working with clients on migrating their Tableau dashboards from Redshift to Snowflake, I ended up writing this little helper in Python that does much of the ...
python
Multi-Warehouse eCommerce Order Fulfillment, Pt. 1
We look at how we can use Powersets, Combinations and Permutations to calculate the number of ways we can split products in an order across multiple warehous...
Dice, Polls & Dirichlet Multinomials
We explore a few applications of the Dirichlet Multinomial distribution using PyMC3.
music
What Are You Listening To? Vol. 2019/02
Our favorite songs of the month, or just songs we were listening to at Happy Hour.
What Are You Listening To? Vol. 2019/01
Our favorite songs of the month, or just songs we were listening to at Happy Hour.
snowflake
Tableau Redshift to Snowflake Converter
Working with clients on migrating their Tableau dashboards from Redshift to Snowflake, I ended up writing this little helper in Python that does much of the ...
dbt
Creating a 4-5-4 Retail Calendar using SQL and dbt
Using SQL and dbt, we create a date dimension table using a retail/merchandising calendar known as a 4-5-4 calendar.
pymc3
Dice, Polls & Dirichlet Multinomials
We explore a few applications of the Dirichlet Multinomial distribution using PyMC3.