On linux I have an arbitrarily sized file file of k lines (say 500,000 lines) and I want to randomly delete lines in the file until I have r (say 10,000) lines remaining. How can I do this with a …

Hi,

I have a spreadsheet where a User keeps track of numbered Jobs.

The current Userform can be updated with more information as Jobs progress.

Is there any way to write back the data in a …

So I'm trying to put together a website to display analytics that are output from R Studio. I'd like to keep the same masterpage and basic site design that we have on our other company sites which …

Guys,I am trying to get this piece of code working but I know its wrong but cant think how to fix it

What I want it to do is look at the cell in column D and compare the result of the formula which…

Hi All,

Would you recommend a website(s) where it will show me the condensed basics of college level statistics in laymen’s terms – so that quickly I can understand the core and key concepts? and …

Hey all,

I am trying to get my feet wet in R programming for statistical analysis. '

Can anyone of you, tell me what is the basic differences and similarities between a list and vector, in a …

Before doing a linear regression on a data-set one needs to find out a few things about the data:

is there is a linear relation between the dependent and independent variables

are the variables …

Need email sent automatically when date is entered in any independent cell in column E3:E45.

(CODE)

(Edit: Added CODE tags)

I am trying to execute external script in SQL server 2016. For that the following script executed

sp_configure 'external scripts enabled', 1;

GO

reconfigure;

GO

Then I restarted the service.…

First of all thank you for your help in advance. My question is regarding Matlab and non-linear Least Square curve fitting in Matlab - in both I am not familiar with.

I have this type of data:

…

I need an assist with a programming logic math question.

Here is a simple array of 8 rows & 8 cols. True/false 1/0

I need to find the group of 8 RnCn's which are all 0's, but do not share the …

Five hands (Five cards per hand) are dealt from a standard 52-card deck of cards.

What is the probability that the Queen of Heart will appear at least three times?

Note: After each dealing the …

I have a set of data (attached) which shows the volume of web traffic by Country, trended weekly. I'm trying to learn/find a statistical method that help me analyze the data in the following way:

…

Hello

Can you give me a list of free to paid websites that very elegantly lays out the stuff I need to quickly learn to get jump-start in Statistics and Data science ?

Thank you

Prioritization matrices can be used to:

I. Rationally narrow down the focus of the team before detailed implementation planning can happen

II. Enable selection of priority items by applying a set…

I have a list of data in arranged in columns that I want to sort by how many rows are actually present (non-blank values).

I have a header row, with ten data rows beneath. I need to preserve the …

I have problem with understanding this figure:

http://img692.imageshack.us/img692/2097/pdf.png

How we can calculate the probability in x-coordinate (between 2 and 3) which has the value of 19% and …

I have two questions I can't seem to figure out the syntax in MATLAB.

First I need to reduce a matrix, for example, {.5x + .4y} into a 2X2 identity matrix. On paper this is really easy, but…

I'm writing a tutorial on how to use Excel to Gauss Jordan reduction of a matrix to solve a system of linear equations. You can do the row operations to get the row echelon form easily by using …

Can someone explain me (with examples) the gaussian Algorithm with Column pivot search (I'm not english, so I'm not sure if it is the right name for it).

Thanks =)

I am trying to write a program about Gauss-Krueger Projection convert. but I can not find a viable formula which are suited for this program and some got the wrong answer.

The ellipse parameter and…

Hello,

can someone explain / give me a link to a site where is explained:

the kalman filter, especially for tracing an object's movement

the gauss/markov approximation

matrix formulas

_ with SIMPLE…

How can i solve this equation method using the Gauss method?? I have no clue :S

x - y + 2z + t = 0

y - z + 2t = 0

2x + z = 0

???

I have found a few on the net but i dont want to just copy them.

Here is part of my code.

What am i missing ?

Hi guys ;

I'd made a program to calculate matrix by using Gauss-Jordan Method.

But when I ran the program it ended with Overflow error.

Need your helps guys

Thanks