Question
Which technique is used to reduce dimensionality while
preserving variance?Solution
Principal Component Analysis reduces dimensionality by transforming the data into components that retain the most variance.
- If a, b and c are integers such that a 3 + b 3 + c 3 = 192 + 3abc, ab + bc + ac = a 2 + b 2 ...
If a = 701, b= 703 and c= 706, then find the value of a³ + b³ +c³ –3abc?
- If x² - 2x + 1 = 0, then find the value of (x² + x⁻²)(x³ + x⁻³).
Find the value of
(1 - `1/(p+1)` ) + (1 - `2/(p+1)` ) + (1 - `3/(p+1)` ) + ........................... + (1 - `p/(p+1)` )
= ? If {1/(y + 1) + 1/(y + 5)} = {1/(y + 2) + 1/(y + 4)}. Find the value of y
If (528 – 507 + 195) ÷ 11 + √1296 = x, then {(x/2) + 10} = ?
In a best-of-two chess match between Player X and Player Y, the probability that Player X wins a game is (5/9), and the probability that Player Y loses ...
A man running at the speed of 6 kmph was over taken by the train moving with the speed of 78 kmph in 20 seconds. Find the length of train.
when x =5 and y =-7 then find the value of 27x³ +58x²y +31xy² +8y³?
