Surrogate key for date dimension? Understanding Surrogate Keys for Date Dimensions In the realm of data warehousing and business intelligence managing date related data efficiently is crucial On 3 min read 08-10-2024 28
Dredge MuMIn: when using a dredge on a GLMM, does the null model include random effects? Dredging for the Best Model Does the Null Include Random Effects When analyzing data with generalized linear mixed models GLMMs we often use model selection tec 3 min read 06-10-2024 37
A schema with 10 Fact Tables and 1 Dimension Table Understanding a Data Schema 10 Fact Tables and 1 Dimension Table In the realm of data warehousing and business intelligence the design of a data schema is cruci 3 min read 30-09-2024 43
GraphQL Python Graphene - How do resolvers work? If there is a resolver function for each field, how does graphql know to order them? Understanding Graph QL Resolvers in Python with Graphene Graph QL is a powerful query language for your API and it provides a runtime for executing those querie 3 min read 25-09-2024 67
Does duplicated data from denormalization affect the performance of vector searches? Does Duplicated Data from Denormalization Affect the Performance of Vector Searches When it comes to database design denormalization is a common practice aimed 2 min read 25-09-2024 56
WRF rain output time series ideas? WRF Rain Output Time Series Ideas and Insights The Weather Research and Forecasting WRF model is a powerful tool for simulating atmospheric processes and predic 2 min read 24-09-2024 53
Power BI file size not making sense Understanding Power BI File Size Why It Might Not Make Sense Power BI is a powerful business analytics service that provides interactive visualizations and busi 3 min read 23-09-2024 46
Getting same aggregation value for all category Achieving Uniform Aggregation Values Across Categories in Data Analysis In data analysis it is often necessary to aggregate values based on specific categories 2 min read 15-09-2024 58
How to handle data vault hubs with no business key? Navigating Data Vault Hubs Without a Business Key A Salary Statement Case Study Data Vault modeling offers a robust framework for data warehousing but it can pr 3 min read 05-09-2024 49
Is there a way to modelize a partial predictor in a classification problem with an unbalanced target? Tackling Partial Predictors in Unbalanced Classification A Deep Dive This article explores the challenges of modeling a classification problem with an imbalance 2 min read 01-09-2024 56
Need help in Pivot table or Formatting the data Understanding and Fixing Pivot Table Calculations for Promotions Data This article addresses a common challenge faced by data analysts working with pivot tables 2 min read 30-08-2024 47
Is there a way to relate a Calendar lookup table and a 24hr Time lookup table to 2 different tables on more than 1 column in PowerBI? Power BI Data Modeling Connecting Calendar and Time Lookup Tables for Multi Column Relationships This article explores a common data modeling challenge in Power 3 min read 29-08-2024 48