Search results
Results from the WOW.Com Content Network
The datasets are classified, based on the licenses, as Open data and Non-Open data. The datasets from various governmental-bodies are presented in List of open government data sites. The datasets are ported on open data portals. They are made available for searching, depositing and accessing through interfaces like Open API. The datasets are ...
Kaggle is a data science competition platform and online community for data scientists and machine learning practitioners under Google LLC.Kaggle enables users to find and publish datasets, explore and build models in a web-based data science environment, work with other data scientists and machine learning engineers, and enter competitions to solve data science challenges.
An unbalanced panel (e.g., the second dataset above) is a dataset in which at least one panel member is not observed every period. Therefore, if an unbalanced panel contains N {\displaystyle N} panel members and T {\displaystyle T} periods, then the following strict inequality holds for the number of observations ( n {\displaystyle n} ) in the ...
The picture shows a slicing operation: The sales figures of all sales regions and all product categories of the company in the year 2005 and 2006 are "sliced" out of the data cube. OLAP dicing Dice : The dice operation produces a subcube by allowing the analyst to pick specific values of multiple dimensions. [ 6 ]
Reference data sets are sometimes alternatively referred to as a "controlled vocabulary" [2] or "lookup" data. [3] Reference data differs from master data. While both provide context for business transactions, reference data is concerned with classification and categorisation, while master data is concerned with business entities. [4]
Consider a database of sales, perhaps from a store chain, classified by date, store and product. The image of the schema to the right is a star schema version of the sample schema provided in the snowflake schema article. Fact_Sales is the fact table and there are three dimension tables Dim_Date, Dim_Store and Dim_Product.
Browse great deals that our Editors find daily from great stores like Nordstrom. These Nordstrom sales are often limited so visit often and save daily.
This page was last edited on 1 November 2021, at 03:32 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.