Displaying 11 results from an estimated 11 matches for "coef3".
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2015 Dec 20
2
[Aarch64 v2 05/18] Add Neon intrinsics for Silk noise shape quantization.
Jonathan Lennox wrote:
> +opus_int32 silk_noise_shape_quantizer_short_prediction_neon(const opus_int32 *buf32, const opus_int32 *coef32)
> +{
> + int32x4_t coef0 = vld1q_s32(coef32);
> + int32x4_t coef1 = vld1q_s32(coef32 + 4);
> + int32x4_t coef2 = vld1q_s32(coef32 + 8);
> + int32x4_t coef3 = vld1q_s32(coef32 + 12);
> +
> + int32x4_t a0 = vld1q_s32(buf32 - 15);
> + int32x4_t a1 = vld1q_s3...
2010 Dec 14
2
multivariate multi regression
Hello,
I want to model my data with the following model:
Y1=X1*coef1+X2*coef2
Y2=X1*coef2+X2*coef3
Note: coef2 appears in both lines
Xi, Yi is input versus output data respectively
How can I do this in R?
I got this far:
lm(Y1~X1+X2,mydata)
now how do I add the second line of the model including the cross
dependency?
Your help is greatly appreciated!
Cheers, Bastiaan
[[altern...
2009 Jun 05
2
p-values from VGAM function vglm
Anyone know how to get p-values for the t-values from the coefficients
produced in vglm?
Attached is the code and output ? see comment added to output to show
where I need p-values
+ print(paste("********** Using VGAM function gamma2 **********"))
+ modl2<-
vglm(MidPoint~Count,gamma2,data=modl.subset,trace=TRUE,crit="c")
+ print(coef(modl2,matrix=TRUE))
2015 Dec 21
0
[Aarch64 v2 05/18] Add Neon intrinsics for Silk noise shape quantization.
> On Dec 19, 2015, at 10:07 PM, Timothy B. Terriberry <tterribe at xiph.org> wrote:
>
> Jonathan Lennox wrote:
>> +opus_int32 silk_noise_shape_quantizer_short_prediction_neon(const opus_int32 *buf32, const opus_int32 *coef32)
>> +{
>> + int32x4_t coef0 = vld1q_s32(coef32);
>> + int32x4_t coef1 = vld1q_s32(coef32 + 4);
>> + int32x4_t coef2 = vld1q_s32(coef32 + 8);
>> + int32x4_t coef3 = vld1q_s32(coef32 + 12);
>> +
>> + int32x4_t a0 = vld1q_s32(buf32 - 15);
>&...
2015 Aug 05
0
[PATCH 6/8] Add Neon intrinsics for Silk noise shape quantization.
...<arm_neon.h>
+#include "main.h"
+#include "stack_alloc.h"
+#include "NSQ.h"
+#include "celt/cpu_support.h"
+#include "celt/arm/armcpu.h"
+
+opus_int32 silk_noise_shape_quantizer_short_prediction_neon(const opus_int32 *buf32, const opus_int32 *coef32)
+{
+ int32x4_t coef0 = vld1q_s32(coef32);
+ int32x4_t coef1 = vld1q_s32(coef32 + 4);
+ int32x4_t coef2 = vld1q_s32(coef32 + 8);
+ int32x4_t coef3 = vld1q_s32(coef32 + 12);
+
+ int32x4_t a0 = vld1q_s32(buf32 - 15);
+ int32x4_t a1 = vld1q_s32(buf32 - 11);
+ int32x4_t a2 = vld1q...
2015 Nov 21
0
[Aarch64 v2 05/18] Add Neon intrinsics for Silk noise shape quantization.
...<arm_neon.h>
+#include "main.h"
+#include "stack_alloc.h"
+#include "NSQ.h"
+#include "celt/cpu_support.h"
+#include "celt/arm/armcpu.h"
+
+opus_int32 silk_noise_shape_quantizer_short_prediction_neon(const opus_int32 *buf32, const opus_int32 *coef32)
+{
+ int32x4_t coef0 = vld1q_s32(coef32);
+ int32x4_t coef1 = vld1q_s32(coef32 + 4);
+ int32x4_t coef2 = vld1q_s32(coef32 + 8);
+ int32x4_t coef3 = vld1q_s32(coef32 + 12);
+
+ int32x4_t a0 = vld1q_s32(buf32 - 15);
+ int32x4_t a1 = vld1q_s32(buf32 - 11);
+ int32x4_t a2 = vld1q...
2015 Nov 21
12
[Aarch64 v2 00/18] Patches to enable Aarch64 (version 2)
As promised, here's a re-send of all my Aarch64 patches, following
comments by John Ridges.
Note that they actually affect more than just Aarch64 -- other than
the ones specifically guarded by AARCH64_NEON defines, the Neon
intrinsics all also apply on armv7; and the OPUS_FAST_INT64 patches
apply on any 64-bit machine.
The patches should largely be independent and independently useful,
other
2012 Jan 26
2
R extracting regression coefficients from multiple regressions using lapply command
Hi, I have a question about running multiple in regressions in R and then
storing the coefficients. I have a large dataset with several variables,
one of which is a state variable, coded 1-50 for each state. I'd like to
run a regression of 28 select variables on the remaining 27 variables of
the dataset (there are 55 variables total), and specific for each state, ie
run a regression of
2015 Aug 05
8
[PATCH 0/8] Patches for arm64 (aarch64) support
This sequence of patches provides arm64 support for Opus. Tested on
iOS, Android, and Ubuntu 14.04.
The patch sequence was written on top of Viswanath Puttagunta's Ne10
patches, but all but the second ("Reorganize pitch_arm.h") should, I
think, apply independently of it. It does depends on my previous
intrinsics configury reorganization, however.
Comments welcome.
With this and
2015 Nov 07
12
[Aarch64 00/11] Patches to enable Aarch64 (arm64) optimizations, rebased to current master.
Here are my aarch64 patches rebased to the current tip of Opus master.
They're largely the same as my previous patch set, with the addition
of the final one (the Neon fixed-point implementation of
xcorr_kernel). This replaces Viswanath's Neon fixed-point
celt_pitch_xcorr, since xcorr_kernel is used in celt_fir and celt_iir
as well.
These have been tested for correctness under qemu
2015 Dec 23
6
[AArch64 neon intrinsics v4 0/5] Rework Neon intrinsic code for Aarch64 patchset
Following Tim's comments, here are my reworked patches for the Neon intrinsic function patches of
of my Aarch64 patchset, i.e. replacing patches 5-8 of the v2 series. Patches 1-4 and 9-18 of the
old series still apply unmodified.
The one new (as opposed to changed) patch is the first one in this series, to add named constants
for the ARM architecture variants.
There are also some minor code