Category "count"

How to make null/none count 0 instead?

I have some sqlalchemy that counts rows with the value "3" and then prints out the count. It works fine if the count is 1, 2, 3, etc, but when there are no item

Normalizing species count data in ArcGIS Pro

I have presence points of a certain species all over the United States. I completed a spatial join between the US and said points. However, I am unsure of how t

Setting the values ​of a COUNT(*)

I'm using SAS and I'm stuck when I want to relay this in SQL : I have a column that counts the number of line repetitions : DUPLICATES | NUMBER | DATE ------

Python challenge - rows and columns count

I'm working on a challenge which basically consist on assigning to a set of rows and columns on a table, a value by a function in python. In this case the chara

How to get distinct value and specific count from a query

Suppose I have the following table "Person": id name friends 1 matt jim 1 matt ray 1 matt ray 2 tim fry 3 sally jack 3 sally tim 4 matt harold I want to outpu

Pandas: Rolling window to count the frequency - Fastest approach

I would like to count the frequency of a value for the past x days. In the example below, I would like to count the frequency of value in the Name column for th

How to use countDistinct using a window function in Spark/Scala?

I need to use window function that is paritioned by 2 columns and do distinct count on the 3rd column and that as the 4th column. I can do count with out any is

get the name of product with the maximum number of orders

I have 2 tables orders and product as orders has only one field (order_id) and the products have a reference to the order_id, how to get the name of product wit

Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, null given in

The code was working perfectly until when I installed XAMPP 8 (PHP 8). if(isset($_POST["submit"])){ @$subject = $_POST['subject']; @$term = $_POST['term

Is there another way to write SUM(IIF([CONDITION], 1, 0))?

What SUM(IIF([CONDITION], 1, 0)) does is very simple. So simple, that what I really just want to write is COUNT([CONDITION]) (but that's invalid). Is there a sh

SQLITE PIVOT TABLE WITH COUNT

Can you help me plase ? I want a result like the table below with Sqlite . task_name status_code department 1 A START PUR 2 B START ENG 3 C FINISH ENG 4 D NOT

sqlite mark duplicates with true or false

I need to create a new column in my dataset (duplicate_name) that contains TRUE if there are more than one record for someone or FALSE otherwise. I found this c

Codewars Challenge - Count of positives / sum of negatives

My code works but it's not being accepted in order to pass the challenge. Any help on what I'm doing wrong would be appreciated. Challenge Description: Given

Read text file and look for certain words from key word list

I am new to Python, and I am trying to build a script where I import text_file_1 that contains a body of text. I want the script to read the body of text, and l

How do I select the count of records, then group them by a foreign key?

I have two tables: Products and Suppliers. SupplierID is a foreign key in products table. I need to make a table that contains country, supplierID, company name

Postgresql Multiple counts for one table

From two columns in my table I want to get a unified count for the values in these columns. As an example, two columns are: Table: reports | type