factors

How do I factor integers using Perl?

I want split integers into their factors. For example, if the total number of records is: 169 - ( 13 x 13 times) 146 - ( 73 x 2 times) 150 - ( 50 x 3 times) 175 - ( 25 x 7 times) 168 - ( 84 x 2 ) 160 - ( 80 x 2 times) When it's more than 10k - I want everything on 1000 When it's more than 100k - I want everything on 10k In this w...

Get factors of a number

I need to get two factors ( x, y ) of a given number ( n ) such that: x * y <= n x * y should be as close to n as possible x and y should be as close to each other as possible. Examples: n = 16 => x = 4, y = 4 n = 17 => x = 4, y = 4 n = 18 => x = 6, y = 3 n = 20 => x = 5, y = 4 Any language will do but preferably php. EDIT -- CL...

Reshape data frame to convert factors into columns in R

I have a data frame where one particular column has a set of specific values (let's say, 1, 2, ..., 23). What I would like to do is to convert from this layout to the one, where the frame would have extra 23 (in this case) columns, each one representing one of the factor values. The data in these columns would be booleans indicating whet...

Python - Check if numbers in list are factors of a number

Hey, I have a list of numbers (integers) (say, from 1 to 10). They're not necessarily consecutive, but they are in ascending order. I've prompted the user multiple times to enter a choice of the available numbers. When that number is entered, it is removed from the list along with any of its factors that may be there. I've prevent...

Using third party jars - Factors to consider

What are the factors that I need to consider when I include a third party jar in my application? I have listed a few below. Is there anything else that I am missing? And how does the Memory footprint work? What is the jar size has got to do with the Memory footprint? Memory Footprint Stability API usage Community Support Cost ...

how to create the frame data structure with columns from csv data in R?

Hi, Below are the first five rows of the imported data in R: data[1:5,] user event_date day_of_week 1 00002781A2ADA816CDB0D138146BD63323CCDAB2 2010-09-04 Saturday 2 00002D2354C7080C0868CB0E18C46157CA9F0FD4 2010-09-04 Saturday 3 00002D2354C7080C0868CB0E18C46157CA9F0FD4 2010-09-07 Tuesday 4 00002D2354C7080C0868CB0E18C46157...