Well, it was about time to move to a more standard Blog for my TechStuff, rather then mixing with my personal blog at http://blog.ronaldandanna.com .
As I wrote this blog software in a few hours one day, and never got around to finishing things like a calendar and RSS feeds, it was also another good excuse to try out Drupal.
Skewness measures the asymmetry of a distribution. A perfectly symmetric distribution has a skewness of zero. A positive skew (right-skewed) means the tail extends to the right — a small number of high values pull the mean above the median.
The vsql-ai extension adds AI prompt capabilities and text embeddings directly in SQL queries, with support for Anthropic Claude , Google Gemini , OpenAI ChatGPT , or a local LLM such as Ollama .
The Chi-Squared test is one of the most widely used statistical tests for categorical data. It comes in two flavors: the goodness-of-fit test asks whether an observed frequency distribution matches an expected one, while the test of independence asks whether two categorical variables are associated with each other.
