Displaying 6 results from an estimated 6 matches for "8x9".
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2013 Jun 14
2
significance testing for the difference in the ratio of means
...the null hypothesis. However, as I am comparing
the ratio of means, I do not have individual observations to randomize
between the groups. The best I can think to do is create an exhaustive
list of all (7x10) = 70 possible observations for m2/m1 from the data.
Then create a similar list of all (8x9) = 72 possible observations for
m4/m3. Pool all (70+72) = 142 observations and repeatedly randomly assign
them to two groups of size 70 and 72 to represent the two ratios and
compute the difference in means. This distribution could represent the
distribution under the null hypothesis and I could...
2019 Jul 21
6
[RFC] A new multidimensional array indexing intrinsic
...e are writing an array of size
`(s0, s1) = (3, 6)` starting from `(o0, o1) = (4, 6)`. Clearly, we will
exceed the width of the array, since `(s1 + o1 = 6 + 6 = 12) > (n1 = 9)`.
However, now think of the array as a flattened 1D representation. In this
case, the total size of the array is `n1xn2 = 8x9 = 72`, while the largest
element we will access is at the largest value of `(i, j)`. That is,
`i = s0 - 1 = 2`, and `j = s1 - 1 = 5`.
The largest index will be `ix(i=2, j=5, n0=8, n1=9, o0=4, o1=6) =
8*2+8*4+5+6=59`.
Since `59 < 72`, we are clearly at _legal_ array indices, by C semantics!
The...
2019 Jul 22
2
[RFC] A new multidimensional array indexing intrinsic
...gt; `(s0, s1) = (3, 6)` starting from `(o0, o1) = (4, 6)`. Clearly, we will
>> exceed the width of the array, since `(s1 + o1 = 6 + 6 = 12) > (n1 = 9)`.
>> However, now think of the array as a flattened 1D representation. In this
>> case, the total size of the array is `n1xn2 = 8x9 = 72`, while the largest
>> element we will access is at the largest value of `(i, j)`. That is,
>> `i = s0 - 1 = 2`, and `j = s1 - 1 = 5`.
>>
>> The largest index will be `ix(i=2, j=5, n0=8, n1=9, o0=4, o1=6) = 8*2+8*4+5+6=59`.
>> Since `59 < 72`, we are clearly at...
2019 Jul 22
2
[RFC] A new multidimensional array indexing intrinsic
...`(s0, s1) = (3, 6)` starting from `(o0, o1) = (4, 6)`. Clearly, we will
> exceed the width of the array, since `(s1 + o1 = 6 + 6 = 12) > (n1 = 9)`.
> However, now think of the array as a flattened 1D representation. In this
> case, the total size of the array is `n1xn2 = 8x9 = 72`, while the largest
> element we will access is at the largest value of `(i, j)`. That is,
> `i = s0 - 1 = 2`, and `j = s1 - 1 = 5`.
>
> The largest index will be `ix(i=2, j=5, n0=8, n1=9, o0=4, o1=6) = 8*2+8*4+5+6=59`.
> Since `59 < 72`, we are clearly at _le...
2019 Jul 25
0
[RFC] A new multidimensional array indexing intrinsic
...) = (3, 6)` starting from `(o0, o1) = (4, 6)`. Clearly, we will
>>> exceed the width of the array, since `(s1 + o1 = 6 + 6 = 12) > (n1 = 9)`.
>>> However, now think of the array as a flattened 1D representation. In this
>>> case, the total size of the array is `n1xn2 = 8x9 = 72`, while the largest
>>> element we will access is at the largest value of `(i, j)`. That is,
>>> `i = s0 - 1 = 2`, and `j = s1 - 1 = 5`.
>>>
>>> The largest index will be `ix(i=2, j=5, n0=8, n1=9, o0=4, o1=6) = 8*2+8*4+5+6=59`.
>>> Since `59 < 72...
2019 Jul 22
1
[RFC] A new multidimensional array indexing intrinsic
...ng from `(o0, o1) = (4, 6)`. Clearly, we will
> > > exceed the width of the array, since `(s1 + o1 = 6 + 6 = 12) > (n1 = 9)`.
> > > However, now think of the array as a flattened 1D representation. In this
> > > case, the total size of the array is `n1xn2 = 8x9 = 72`, while the largest
> > > element we will access is at the largest value of `(i, j)`. That is,
> > > `i = s0 - 1 = 2`, and `j = s1 - 1 = 5`.
> > >
> > > The largest index will be `ix(i=2, j=5, n0=8, n1=9, o0=4, o1=6) = 8*2+8*4+5+6=59`.
> >...