Returned 99 matches (100 formulae, 64 docs)
    Lookup 696.779 ms, Re-ranking 0.135 ms
    Found 813116 tuple postings, 162979 formulae, 20880 documents
[ formulas ] [ documents ] [ documents-by-formula ]

0.7330
k = 1 n ( x k - x ¯ ) ( y k - y ¯ ) k = 1 n ( x k - x ¯ ) 2 k = 1 n ( y k - y ¯ ) 2

0.5212
r x y = i = 1 n ( x i - x ¯ ) ( y i - y ¯ ) ( n - 1 ) s x s y = i = 1 n ( x i - x ¯ ) ( y i - y ¯ ) i = 1 n ( x i - x ¯ ) 2 i = 1 n ( y i - y ¯ ) 2 ,

0.5163
r = i = 1 N ( X i - X ¯ ) ( Y i - Y ¯ ) i = 1 N ( X i - X ¯ ) 2 i = 1 N ( Y i - Y ¯ ) 2

0.5101
n ( X ¯ - μ 0 ) i = 1 n ( X i - X ¯ ) 2 / ( n - 1 )

0.4624
b ^ = i = 1 n ( x i - x ¯ ) ( y i - y ¯ ) i = 1 n ( x i - x ¯ ) 2 ,

0.4528
r = r x y = i = 1 n ( x i - x ¯ ) ( y i - y ¯ ) i = 1 n ( x i - x ¯ ) 2 i = 1 n ( y i - y ¯ ) 2

0.3794
ρ i j ( a i j - a ¯ ) ( a j i - a ¯ ) i j ( a i j - a ¯ ) 2

0.3789
simil ( x , y ) = i I x y ( r x , i - r x ¯ ) ( r y , i - r y ¯ ) i I x y ( r x , i - r x ¯ ) 2 i I x y ( r y , i - r y ¯ ) 2

0.3750
r ( α , β ) = i ( j i α - j α ¯ ) ( k i β - k β ¯ ) i ( j i α - j α ¯ ) 2 i ( k i β - k β ¯ ) 2 .

0.3656
i = 1 n ( x i - μ ) ( x i - μ ) T = i = 1 n ( x i - x ¯ ) ( x i - x ¯ ) T = S

0.3636
i = 1 n ( y i - y ¯ ) ( x i - x ¯ ) - β ^ i = 1 n ( x i - x ¯ ) 2 = 0

0.3608
= ( n + 1 ) n ( n - 1 ) ( n - 2 ) ( n - 3 ) i = 1 n ( x i - x ¯ ) 4 ( i = 1 n ( x i - x ¯ ) 2 ) 2 - 3 ( n - 1 ) 2 ( n - 2 ) ( n - 3 )

0.3512
i = 1 n ( y i - y ¯ ) 2 = i = 1 n ( y i - y ^ i ) 2 + i = 1 n ( y ^ i - y ¯ ) 2 .

0.3341
F = i = 1 n ( y i ^ - y ¯ ) 2 / k j = 1 k i = 1 n j ( y i j - y i ^ ) 2 / ( n - k - 1 )

0.3320
i = 1 n ( x i - x ¯ ) ( θ - x ¯ ) = 0

0.3259
1 = i ( Y i - Y ^ i ) 2 i ( Y i - Y ¯ ) 2 + i ( Y ^ i - Y ¯ ) 2 i ( Y i - Y ¯ ) 2 .

0.3251
β 1 ^ = ( x i - x ¯ ) ( y i - y ¯ ) ( x i - x ¯ ) 2 and β 0 ^ = y ¯ - β 1 ^ x ¯

0.3248
β ^ = i = 1 n ( y i - y ¯ ) ( x i - x ¯ ) i = 1 n ( x i - x ¯ ) 2 = C o v ( x , y ) V a r ( x )

0.3203
i = 1 n ( X i - X ¯ ) 2 σ 2

0.3202
𝐖 = i = 1 n x ( 𝐱 i - 𝐱 ¯ ) ( 𝐱 i - 𝐱 ¯ ) + i = 1 n y ( 𝐲 i - 𝐲 ¯ ) ( 𝐲 i - 𝐲 ¯ ) n x + n y - 2

0.3123
i = 1 n ( X i - X ¯ ) ( X i - X ¯ ) T W p ( Σ , n - 1 ) .

0.3087
i = 1 n ( X i - X ¯ ) 2 = X 1 - X ¯ X n - X ¯ 2 .

0.3072
S n = 1 n i = 1 n ( X i - X ¯ ) ( X i - X ¯ ) T

0.3023
𝐐 𝐧 = 1 n i = 1 n ( x i - x ¯ ) ( x i - x ¯ ) T .

0.3021
S E β ^ = 1 n - 2 i = 1 n ( y i - y ^ i ) 2 i = 1 n ( x i - x ¯ ) 2

0.3003
𝐖 = 1 n - 1 i = 1 n ( 𝐱 i - 𝐱 ¯ ) ( 𝐱 i - 𝐱 ¯ )

0.2997
t score = ( β ^ - β 0 ) n - 2 SSR / i = 1 n ( x i - x ¯ ) 2 .

0.2959
i ( Y i - Y ¯ ) 2 = i ( Y i - Y ^ i ) 2 + i ( Y ^ i - Y ¯ ) 2 ,

0.2959
i = 1 n ( x i - μ ) 2 = i = 1 n ( x i - x ¯ ) 2 + n ( x ¯ - μ ) 2

0.2953
s 2 = i = 1 n ( x i - K ) 2 - ( i = 1 n ( x i - K ) ) 2 / n n - 1 .

0.2947
𝐐 = 1 n - 1 i = 1 n ( x i - x ¯ ) ( x i - x ¯ ) T ,

0.2938
S = i = 1 n ( x i - x ¯ ) ( x i - x ¯ ) T 𝐑 p × p .

0.2909
r ( Y , Y ^ ) 2 = i ( Y ^ i - Y ¯ ) 2 i ( Y i - Y ¯ ) 2

0.2899
i = 1 n ( y i - y ¯ ) 2 = i = 1 n ( y i - y ^ i ) 2 + i = 1 n ( y ^ i - y ¯ ) 2 + i = 1 n 2 ( y ^ i - y ¯ ) ( y i - y ^ i ) .

0.2894
s p 2 = i = 1 k ( n i - 1 ) s i 2 i = 1 k ( n i - 1 )

0.2884
𝐐 = 1 N - 1 i = 1 N ( 𝐱 i - 𝐱 ¯ ) ( 𝐱 i - 𝐱 ¯ ) T ,

0.2882
K = ( N - 1 ) i = 1 g n i ( r ¯ i - r ¯ ) 2 i = 1 g j = 1 n i ( r i j - r ¯ ) 2 ,

0.2878
𝐂 = i = 1 n ( 𝐱 𝐢 - 𝐱 ¯ ) ( 𝐱 𝐢 - 𝐱 ¯ ) T

0.2851
q j k = i = 1 N w i ( i = 1 N w i ) 2 - i = 1 N w i 2 i = 1 N w i ( x i j - x ¯ j ) ( x i k - x ¯ k ) .

0.2823
s y m b o l Σ ^ = 1 n i = 1 n ( 𝐱 i - 𝐱 ¯ ) ( 𝐱 i - 𝐱 ¯ ) T

0.2814
σ X 2 = i = 1 n ( X i - X ¯ ) 2 n .

0.2803
F = j = 1 k n j ( y ¯ j - y ¯ ) 2 / ( k - 1 ) j = 1 k i = 1 n j ( y i j - y ¯ j ) 2 / ( n - k )

0.2795
i = 1 n ( a i - b i ) 2 .

0.2791
β ^ = i = 1 n ( x i - x ¯ ) ( y i - y ¯ ) i = 1 n ( x i - x ¯ ) 2 = x y ¯ - x ¯ y ¯ x 2 ¯ - x ¯ 2 = Cov [ x , y ] Var [ x ] = r x y s y s x ,

0.2768
C n = i = 1 n ( x i - x ¯ n ) ( y i - y ¯ n )

0.2763
q j k = 1 N i = 1 N ( x i j - x ¯ j ) ( x i k - x ¯ k )

0.2748
I = N i j w i j i j w i j ( X i - X ¯ ) ( X j - X ¯ ) i ( X i - X ¯ ) 2

0.2711
( a 1 - b 1 ) 2 + ( a 2 - b 2 ) 2 + + ( a n - b n ) 2 = i = 1 n ( a i - b i ) 2 .

0.2709
r = 1 n - 1 i = 1 n ( X i - X ¯ ) ( Y i - Y ¯ ) s X s Y

0.2701
s y m b o l Σ ^ = 1 n - 1 i = 1 n ( 𝐱 i - 𝐱 ¯ ) ( 𝐱 i - 𝐱 ¯ ) T .

0.2691
σ ^ i = k = 1 n ( x k - x ¯ i ) 2 n - 1 σ ^ i , j = k = 1 n ( x k - x ¯ i ) ( x k - x ¯ j ) n - 1

0.2690
q j k = 1 N - 1 i = 1 N ( X i j - X ¯ j ) ( X i k - X ¯ k )

0.2667
s = i = 1 n ( x i - x ¯ ) 2 n - 1

0.2659
1 n i = 1 n ( X i - X ¯ ) 2 < 1 n i = 1 n ( X i - μ ) 2 ,

0.2644
q j k = 1 N - 1 i = 1 N ( x i j - x ¯ j ) ( x i k - x ¯ k ) ,

0.2634
β ^ = 1 T t = 1 T ( x t - x ¯ ) ( y t - y ¯ ) 1 T t = 1 T ( x t - x ¯ ) 2 ,

0.2628
σ 2 = i = 1 N w i ( x i - x ¯ * ) 2 i = 1 N w i

0.2576
Σ = i = 1 N w i ( i = 1 N w i ) 2 - i = 1 N w i 2 i = 1 N w i ( 𝐱 i - μ * ) T ( 𝐱 i - μ * ) .

0.2574
σ 2 = i = 1 n ( x i - x ¯ ) 2 / ( n - 1 )

0.2571
S 3 = N - 1 i ( x i - x ¯ ) 4 ( N - 1 i ( x i - x ¯ ) 2 ) 2

0.2557
1 M N i = 0 N - 1 j = 0 M - 1 ( I i j - I ¯ ) 2 ,

0.2533
= ( n + 1 ) n ( n - 1 ) ( n - 2 ) ( n - 3 ) i = 1 n ( x i - x ¯ ) 4 k 2 2 - 3 ( n - 1 ) 2 ( n - 2 ) ( n - 3 )

0.2524
Γ = ( r j - r i ) ( s j - s i ) ( r j - r i ) 2

0.2523
S S A B ( i j Y i j ( Y ¯ i - Y ¯ ) ( Y ¯ j - Y ¯ ) ) 2 i ( Y ¯ i - Y ¯ ) 2 j ( Y ¯ j - Y ¯ ) 2

0.2516
s 2 = i = 0 p j = 1 N i ( X i j - X i ¯ ) n

0.2511
SSE = i = 1 n ( X i - X ¯ ) 2 + i = 1 n ( Y i - Y ¯ ) 2 + i = 1 n ( Z i - Z ¯ ) 2

0.2490
i = 1 n f ( x i * ) ( x i - x i - 1 )

0.2490
( X i - μ ) 2 = ( X i - X ¯ ) 2 + ( X ¯ - μ ) 2 + 2 ( X i - X ¯ ) ( X ¯ - μ ) .

0.2451
T = i = 1 n ( X i - μ ) 2 n .

0.2431
Σ b = 1 C i = 1 C ( μ i - μ ) ( μ i - μ ) T

0.2414
( x i - x ¯ ) T Σ - 1 ( x i - x ¯ )

0.2410
variance = s 2 = i = 1 n ( x i - x ¯ ) 2 n - 1

0.2407
i = 1 n ( X i - X ¯ ) 2
i = 1 n ( y i - y ¯ ) 2

0.2393
𝐱 ¯ = n - 1 i = 1 n 𝐱 i , 𝐒 = n - 1 i = 1 n ( 𝐱 i - 𝐱 ¯ ) ( 𝐱 i - 𝐱 ¯ ) .

0.2393
i = 1 n x i 2 i = 1 n y i 2 - ( i = 1 n x i y i ) 2 0.

0.2390
i j ( Y i j - Y ¯ i ) 2 / ( N - K ) ,

0.2378
= [ i = 1 N ( x i 2 - x i 1 ) ( x i 2 - x i 1 ) ] - 1 i = 1 N ( x i 2 - x i 1 ) ( y i 2 - y i 1 ) = F D T = 2

0.2366
T = i = 1 n ( X i - μ ) 2 n + 2 .

0.2362
( t - p ) ( t - q ) ( t - r ) ( t - s ) .

0.2361
( y i - y ¯ ) = ( y i - y ^ i ) + ( y ^ i - y ¯ ) .

0.2355
C = μ ^ 4 σ ^ 4 = 1 n i = 1 n ( x i - x ¯ ) 4 ( 1 n i = 1 n ( x i - x ¯ ) 2 ) 2 ,

0.2353
i = 1 n ( x i - x ¯ n ) 2

0.2350
s M = i = 1 m x i ; s Σ = i = 1 m ( x i - x ¯ ) 2

0.2339
TREND = i = 1 N ~ ( i - N ~ / 2 ) ( R R i - R R i ) i = 1 N ~ ( i - N ~ / 2 ) 2 ,

0.2336
μ sig = i = 1 n ( X i - f i ) n μ bkg = i = 1 n ( X i - f i ) n

0.2335
q x y = ( x - x ¯ ) ( y - y ¯ ) I ( x , y ) I ( x , y )

0.2329
s p 2 = i = 1 k ( n i - 1 ) s i 2 i = 1 k n i

0.2303
( N - 2 K ) ( N - 1 ) 1 2 ( N - 2 n ) [ n K ( N - K ) ( N - n ) ] 1 2 ( N - 2 )

0.2303
η 2 = x n x ( y ¯ x - y ¯ ) 2 x , i ( y x i - y ¯ ) 2

0.2303
s ¯ i = j = 1 n ( x i j - x ¯ i ) 2 n - 1

0.2299
i = 1 n ( y i - y ^ i ) 2 = i = 1 n ( y i - j = 1 K β ^ j X i j ) 2 .

0.2290
i = 1 n x i ( 1 - k i ) ( 1 - k j ) - 1 = 0

0.2282
( X i - μ ) 2 = ( X i - X ¯ + X ¯ - μ ) 2

0.2275
Z n = i = 1 n ( X i - μ ) σ n

0.2274
s 2 = i = 1 N w i ( i = 1 N w i ) 2 - i = 1 N w i 2 . i = 1 N w i ( x i - x ¯ * ) 2

0.2272
s n 2 = 1 n i = 1 n ( x i - x ¯ ) 2 = i = 1 n ( x i 2 ) n - ( i = 1 n x i ) 2 n 2

0.2266
σ y 2 = 1 n i = 1 n ( y i - y ¯ ) 2 = ( 1 n i = 1 n y i 2 ) - y ¯ 2

0.2263
d j k = i = 1 N ( x i j - x i k ) 2

0.2257
σ ^ 2 = 1 n i = 1 n ( μ - δ i ) 2 - 1 n 2 i = 1 n j = 1 n ( μ - δ i ) ( μ - δ j ) .