Top "Numeric" questions

This tag is for questions concerning problems using numbers which either cannot be exactly solved, or where the exact solution may be much more difficult to acquire than by using numerical methods.

How to convert entire dataframe to numeric while preserving decimals?

I have a mixed class dataframe (numeric and factor) where I am trying to convert the entire data frame to …

r dataframe numeric
Finding rows that don't contain numeric data in Oracle

I am trying to locate some problematic records in a very large Oracle table. The column should contain all numeric …

sql oracle varchar numeric varchar2
Set up dot instead of comma in numeric values

I have new XmlDocument object, i.g. xml is created during my program... I want all numeric values in created …

c# xml tostring numeric culture
correlation error: 'x' must be numeric

I have a XTS dataset that contains many stock closing prices called: dataset. I then wanted to find if their …

r numeric xts correlation stocks
Is there any way to use a numeric type as an object key?

It seems that when I use a numeric type as a key name in an object, it always gets converted …

javascript object types key numeric
How can I determine if a string is numeric in SQL?

In a SQL query on Oracle 10g, I need to determine whether a string is numeric or not. How can …

sql oracle10g numeric
Jquery check if value is numeric

I was wondering if anybody had a quick and dirty jquery method that will check if a value is numeric …

jquery numeric
Replacing commas and dots in R

I have a whole column of numbers that include dot separators at the thousands and comma instead of dot as …

r vector numeric
MySQL - Select only numeric values from varchar column

Consider the following table : create table mixedvalues (value varchar(50)); insert into mixedvalues values ('100'), ('ABC100'), ('200'), ('ABC200…

mysql sql numeric varchar
How to convert factor format to numeric format in R without changing the values?

Below is dataframe df1 of which I want to convert column "V2" from factor format to numeric without changing the …

r numeric r-factor