The error message suggests that there is an issue with the ORDER BY clause, specifically with the alias avg_cool. To fix this, try using column aliases instead of expressions: SELECT text, COUNT(text,user_id) AS unique_count, AVG(cool) AS avg_cool FROM review GROUP BY text HAVING unique_count > 5 ORDER BY avg_cool DESC; This should resolve the issue.

Subtracting the Difference from the Others in the Current Row from the Previous Value in the Column In this article, we will explore how to subtract the difference between delivered and ordered values in a SQL query. This can be achieved by using various window functions depending on the specific requirements. Background The problem statement involves finding the cumulative difference between delivered and ordered values for each product ID. The goal is to calculate the net amount after subtracting this difference from the current row’s remainder.

Calculating Tier 1 Capital Ratio SQL Introduction In this article, we will explore how to calculate the Tier 1 capital ratio using SQL. The Tier 1 capital ratio is a critical metric for financial institutions, as it represents the minimum amount of capital that must be held in reserve against potential losses. To calculate this ratio, we need to sum up specific accounts and perform a series of calculations. Understanding the Data Model

Understanding Geom_xspline and Filling Areas Under Curves In recent years, ggplot2 has become an industry-standard data visualization library for creating high-quality plots. One of its powerful features is the ability to create smooth curves using various methods. In this article, we will delve into the world of splines, specifically geom_xspline(), and explore ways to fill areas under curves created by this function. Background on Splines A spline is a piecewise polynomial curve that can be used to approximate a given set of data points.

Understanding Histograms and the Issue with Large Bin Widths Histograms are a fundamental tool in data visualization used to graphically represent the distribution of continuous data. In this post, we’ll explore histograms in depth, including how to create them using R’s ggplot2 package and address the common issue of large bin widths not printing as expected. What is a Histogram? A histogram is a graphical representation of the distribution of a dataset.

Error in Hive HQL: Not yet supported place for UDAF ‘MAX’ Introduction to Hive and HQL Hive is a data warehousing and SQL-like query language for Hadoop. It provides a way to manage and analyze large datasets stored in Hadoop Distributed File System (HDFS). Hive uses a SQL-like syntax, called Hive Query Language (HQL), which allows users to write queries that are similar to regular SQL. Understanding the Error In this article, we’ll explore an error in Hive HQL related to using aggregate functions.

Understanding R’s Lazy Evaluation Framework and How to Work Around It Introduction R is a powerful programming language known for its simplicity, flexibility, and extensive library of statistical functions. One of the most distinctive features of R is its lazy evaluation framework, which can sometimes make it challenging for developers to achieve their desired results. In this article, we will delve into the details of R’s lazy evaluation framework and explore ways to work around its limitations when performing operations involving data frames.

Understanding the Issue with Pandas’ read_csv Functionality As a data analysis enthusiast, it’s not uncommon to encounter issues while working with popular libraries like Pandas. In this article, we’ll delve into an intriguing question regarding Pandas’ read_csv functionality, where the entire CSV file is not being read. What Happens When Reading a CSV File Using Pandas When using Pandas to read a CSV file, it’s essential to understand how the library works under the hood.

Javascript and Checkbox Compatibility with Mobile Devices Understanding the Issue Creating user interfaces that are responsive across different devices can be challenging. One common issue developers face is ensuring that checkboxes work correctly on mobile devices, particularly when toggling them to show or hide buttons. In this article, we’ll delve into the reasons behind this compatibility problem and explore solutions. The Problem with checked Attribute When using JavaScript and jQuery to toggle a checkbox, many developers rely on the checked attribute to determine the state of the checkbox.

Understanding SQL Server Graphical Execution Plans: A Deep Dive Introduction SQL Server graphical execution plans are a powerful tool for understanding and optimizing query performance. These plans provide a visual representation of the query execution process, breaking down the sequence of steps taken by the database engine to execute a query. In this article, we’ll delve into the world of SQL Server graphical execution plans, focusing on the decimal number in seconds below the cost percentage.