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.

Java, Weka: How to predict numeric attribute?

I was trying to use NaiveBayesUpdateable classifier from Weka. My data contains both nominal and numeric attributes: @relation cars @attribute …

java weka numeric predict
Negative numbers are stored as 2's complement in memory, how does the CPU know if it's negative or positive?

-1 can be represented in 4 bit binary as (2's complement) 1111 15 is also represented as 1111. So, how does CPU differentiate between 15 …

binary cpu-architecture numeric sign twos-complement
No dimensions of non-empty numeric vector in R

I have a problem with my numeric vector and dim() in R. I want to know the dimensions of my …

r vector numeric
React Native Input component takes ony numeric values

In React-Native project, I have an Input component from Native Base and I want to this component to take only …

validation react-native numeric input-field
How to create a data frame with numeric and character columns?

I'm trying to build a data frame consisting of three character variables and one numeric variable. When I run the …

r dataframe numeric cbind
How do get only numeric recaptcha?

I need to show only the numeric reCaptha instead of character strings. Is it possible? If yes, please give the …

recaptcha numeric
byte[] to unsigned BigInteger?

Motivation: I would like to convert hashes (MD5/SHA1 etc) into decimal integers for the purpose of making barcodes in …

c# arrays numeric biginteger
Clarification of L in R

My trail on L in R is: c<-1:10 c # [1] 1 2 3 4 5 6 7 8 9 10 c[-1] # [1] 2 3 4 5 6 7 8 9 10 c[-2] # [1] 1 3 4 5 6 7 8 9 10 c[-1L] # [1] 2 3 4 5 6 7 8 9 10 c[-2…

r integer numeric
When to use DBL_EPSILON/epsilon

The DBL_EPSILON/std::numeric_limits::epsilon will give me the smallest value that will make a difference when adding …

c++ c numeric numerical-analysis
Is there a BigFloat class in C#?

System.Numerics.BigInteger lets you multiply large integers together, but is there anything of the same type for floating point …

c# numeric bigfloat