ISI doubt

[Halflife]

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[happy]

eg.

y = -1,-2,-3,-4

x = 1,2,3,4.0000001

y+x = 0,0,0,0.0000001=z

clearly y ~ -x

hence, correlation cofficent of y and x close to 1 

but we can not represent z as a linear function of x

so correlation coffient reduce

now try another example

x = y

z= y+x

imples z = 1/2 * x

so the correlation coffient between 

y and x

and

 x and z equal to 1

On 06-May-2017 11:50 AM, "Halflife [via Discussion forum]" <[hidden email]> wrote:

Answer : d
Koi samjha do please

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[Halflife]

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[Janbaz Ahmed Khan]

Bhai i need some help. 

If you could suggest some study material for ISI Msqe. I will be grateful to you 

On 6 May 2017 12:28 pm, "harshkr [via Discussion forum]" <[hidden email]> wrote:

eg.

y = -1,-2,-3,-4

x = 1,2,3,4.0000001

y+x = 0,0,0,0.0000001=z

clearly y ~ -x

hence, correlation cofficent of y and x close to 1 

but we can not represent z as a linear function of x

so correlation coffient reduce

now try another example

x = y

z= y+x

imples z = 1/2 * x

so the correlation coffient between 

y and x

and

 x and z equal to 1

On 06-May-2017 11:50 AM, "Halflife [via Discussion forum]" <[hidden email]> wrote:

Answer : d
Koi samjha do please

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NAML

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