E-COM-NET
首页
在线工具
Layui镜像站
SUI文档
联系我们
推荐频道
Java
PHP
C++
C
C#
Python
Ruby
go语言
Scala
Servlet
Vue
MySQL
NoSQL
Redis
CSS
Oracle
SQL Server
DB2
HBase
Http
HTML5
Spring
Ajax
Jquery
JavaScript
Json
XML
NodeJs
mybatis
Hibernate
算法
设计模式
shell
数据结构
大数据
JS
消息中间件
正则表达式
Tomcat
SQL
Nginx
Shiro
Maven
Linux
probability
2017.07.27回顾 ET和RT比较 高级切片 argsort barplot(yerr=) xgb.plot_importance
ExtraRandomizedTrees和randomForest的文档,随机森林是有放回的抽样,样本数等于原始样本数,特征数随机子集,结果回归用average,分类用voting(但是sklearn的实现是对
probability
strwolf
·
2020-08-24 16:37
日记
python
【金融】Eco.252-Lec.02
notjustfewbigeventsinstories,whichisnothelpfultounderstandthecrisis,whiletheaccumulationofmanylittleeventsaccordingtolawsof
probability
aremoreimportantsomebasicconceptslikevariance
苏尚君
·
2020-08-24 15:54
leetcode382. Linked List Random Node
题目要求Givenasinglylinkedlist,returnarandomnode'svaluefromthelinkedlist.Eachnodemusthavethesame
probability
ofbeingchosen.Followup
raledong
·
2020-08-24 14:53
leetcode
java
random
SKlearn之情节分类概率(Plot classification
probability
)
这个范例的主要目的使用iris鸢尾花资料集测试不同分类器对于涵盖特定范围之资料集,分类为那一种鸢尾花的机率例如:sepallength为4cm而sepalwidth为3cm时被分类为versicolor的机率(一)资料汇入及描述首先先汇入iris鸢尾花资料集,使用将资料存入iris=datasets.load_iris()准备X(特征资料)以及y(目标资料),仅使用两个特征方便视觉呈现shape[
Alwaysion
·
2020-08-24 13:54
SKlearn
告警相关资料
http://abe.is/PlatoandtheProblemwithTimeseriesOutliersvs
Probability
DensityFunctionShiftshttp://bugra.github.io
taowen
·
2020-08-24 13:18
statistics
Codeforces Round #370 (Div. 2) E. Memory and Casinos
E.MemoryandCasinostimelimitpertest4secondsmemorylimitpertest512megabytesinputstandardinputoutputstandardoutputTherearencasinoslinedinarow.IfMemoryplaysatcasinoi,hehas
probability
pitowinandmovetothecasi
zstu_zy
·
2020-08-24 12:06
算法理解
Type I and Type II errors
TypeIerror,alsoknownasa“falsepositive”:theerrorofrejectinganullhypothesiswhenitisactuallytrue.Sothe
probability
ofmakingatypeIerrorinatestwithrejectionregionRisTypeIIerror
相逢一醉为前缘
·
2020-08-24 10:28
检验
【Codeforces Round 370 (Div 2) E】【线段树 等比数列 区间合并】Memory and Casinos 赌场区间[l,r] l进r先出的概率
E.MemoryandCasinostimelimitpertest4secondsmemorylimitpertest512megabytesinputstandardinputoutputstandardoutputTherearencasinoslinedinarow.IfMemoryplaysatcasinoi,hehas
probability
pitowinandmovetothecasi
snowy_smile
·
2020-08-24 10:57
题库-CF
CodeForces
数据结构-线段树
数学-多项式
数学-公式推导
Codeforces Round #370 (Div. 2) E. Memory and Casinos 线段树
codeforces.com/contest/712/problem/EDescriptionTherearencasinoslinedinarow.IfMemoryplaysatcasinoi,hehas
probability
pitowinandmovetothecasinoontheright
weixin_34320159
·
2020-08-24 07:16
probabilistic robotics 读书笔记(一)
Ⅱrecursivestateestimation1basicconceptsin
probability
2robotenvironmentinteraction3bayesfilters4exercises4.1Theprior
probability
forasensortobefaultybel
潜月
·
2020-08-24 05:32
probabilistic
robotics
贝叶斯定理推导
主要是还想再过一遍贝叶斯公式的推导1.条件概率设A,B是两个事件,且P(B)>0,则在事件B发生的条件下,事件A发生的条件概率(conditional
probability
)为:P(A|B)=P(AB)
Amazing_DAI
·
2020-08-23 23:18
机器学习
26th June Learning summary of
probability
TodayIcontinuedlearningtheorderedsetswithreplacementwithmoredetails,Let'ssaywearegoingtopick4objectsfrom3objects(labeledasA,BandC,withreplacement).First,AAAA,thereare3waystochoose,onewayofarrangement,
rusty6kimo
·
2020-08-23 11:42
redis为什么不使用btree而是使用skiplist
:Thereareafewreasons:1)Theyarenotverymemoryintensive.It'suptoyoubasically.Changingparametersaboutthe
probability
ofanodetohaveagivennumberoflevelswillmakethenlessmemoryintensivethanbtrees
linyilong3
·
2020-08-23 06:15
C++
redis
codeforces 两道(dp、思维)(C.Ivan the Fool and the
Probability
Theory)( E. By Elevator or Stairs?)
传送:https://codeforces.com/contest/1248/problem/C题目:nxm的网格(10^5),给网格涂上白黑两色,要求一种颜色网格最多有一个相同颜色的网格和它相邻,问总共有多少种涂色方案?答案对10^9取模。思路:说实话,当时没想出来,但知道应该是dp。我们可以从第一行开始考虑。1.如果第一行有两个相同颜色格子相邻的情况,那么与这行相邻的下一行也就随之确定,以此类
wwwlps
·
2020-08-23 03:57
dp
acm
数学符号表
Basic_Math_Symbols.htmMathematicalSymbolsListofallmathematicalsymbolsandsigns-meaningandexamples.BasicmathsymbolsGeometrysymbolsAlgebrasymbols
Probability
weixin_33694172
·
2020-08-23 03:51
Gilbert Elliot丢包模型
pisthe
probability
oftransferringfromGoodStatetothebadstateandristhe
probability
oftransferringfromthebadstatetotheGoodbitmap.h
Soonyang Zhang
·
2020-08-22 22:47
C加加
10th July Learning essay of
probability
AAABBCHowmanydifferentorderingsoftheseabovesixletters?1.Choose3from6forthreeAs2.Choose2from3fortwoBsorChoose2from6fortwoBsChoose3from4forthreeAsorAssumethattherearetotallydifferent6letters,sothereare6
rusty6kimo
·
2020-08-22 18:12
解决Android ListView中图片异步加载错位问题(2)
声明:为了尊重原作者,转载请注明出处转自:http://negative
probability
.blogspot.com/2011/08/lazy-loading-of-images-in-listview.html
ouye猿
·
2020-08-22 17:46
android
Noncentral chi-squared distribution
Noncentralchi-squareddistributionFromWikipedia,thefreeencyclopediaNoncentralchi-squared
Probability
densityfunctionCumulativedistributionfunctionParametersdegreesoffreedomnon-centralityparameterSupportP
lionzl
·
2020-08-22 17:30
Algorithm
隐马尔科夫--hmmlearn包(python)
"box2","box3"]n_states=len(states)observations=["red","white"]n_observations=len(observations)start_
probability
晨读咻
·
2020-08-22 15:06
机器学习算法
HMM
python库
条件随机场学习资料汇总
areaprobabilisticframeworkforlabelingandsegmentingstructureddata,suchassequences,treesandlattices.Theunderlyingideaisthatofdefiningaconditional
probability
distr
火云明月
·
2020-08-22 13:09
机器学习
条件随机场(CRF)和隐马尔科夫模型(HMM)
相比之下HMMmodel的是state之间的概率,对于所有的state-state的transition都要学一个
probability
。如果把这部分feature化,变成一个参数模型的话那就
Group3304
·
2020-08-22 12:47
TensorFlow新功能:TensorFlow
Probability
概率编程工具箱介绍
在2018年TensorFlow开发者峰会上,我们宣布了TensorFlow
Probability
:一种概率编程工具箱,用于机器学习研究人员和其他从业人员快速可靠地利用最先进硬件构建复杂模型。
阿里云云栖号
·
2020-08-22 10:19
神经网络
编程工具
编程语言
kl距离以及零值处理方法
粘贴自:http://www.cppblog.com/sosi/archive/2010/10/16/130127.aspxIn
probability
theoryandinformationtheory
wyx9027
·
2020-08-22 03:15
数据挖掘
Everything Is Generated In Equal
Probability
(HDU - 6595,概率期望)
一.题目链接:HDU-6595二.题目大意:题目给定一个正整数N.在区间[1,N]中随机等概率地选取一个正整数n,然后随机等概率地生成一个长度为n的排列A,然后调用函数CALCULATE(A).SUBSEQUENCE(A):随机生成一个序列A的子序列.CNTINVERSIONPAIRS(A):返回序列A的逆序对数.CALCULATE(A):计算序列A的逆序数C,再随机选取一个A的子序列B,递归返回
The___Flash
·
2020-08-22 01:04
#
概率
概率论与统计学的关系是什么?
LaryWasserman在AllofStatistics的序言里有说过概率论和统计推断的区别,相对于上面的图,更加透彻:Thebasicproblemthatwestudyin
probability
is
mjiansun
·
2020-08-21 21:32
常用数学知识
Huffman编码的c语言实现
;intappear_count;huff_node*leftnext;huff_node*parent;huff_node*rightnext;};voidinitFile();voidcount_
probability
Shldreamfly
·
2020-08-21 19:49
数据结构与算法
c语言
Huffman
Distributed Training of Deep Neural Networks with Theoretical Analysis: Under SSP Setting
1.Abstract新的训练DNN的方法保证理论正确的收敛性,实践中扩展性很好收敛性证明有:layerwiseconvergence和convergenceofweightsin
probability
2
世间五彩我执纯白
·
2020-08-21 16:01
session练习
sessionTest类已经构造";}publicfunctioninitSession(){//设置(GC)"回收的概率"和"回收时间条件"的配置PHP.INI命令//概率设置ini_set('session.gc_
probability
ddv1999
·
2020-08-21 13:22
PHP
Bayes’s formula for Conditional
Probability
Conditional
Probability
Example:Inabatch,thereare80%Cprogrammers,and40%areJavaandCprogrammers.Whatisthe
probability
thataCprogrammerisalsoJavaprogrammer
anyi6536
·
2020-08-21 08:17
java
【小白学YOLO】一文带你学YOLOv1 Testing
YOLOv1Testing进入testing阶段,我们已经得到98个boundingbox和confidence还有Class
probability
map,接下来我们需要一些筛选boundingbox的算法
华为云开发者社区
·
2020-08-21 03:57
图像识别
算法
人工智能
机器学习
数据挖掘
吴恩达深度学习1-4(Build your neural network step by step) L_model_backword 函数
caches):"""Implementthebackwardpropagationforthe[LINEAR->RELU]*(L-1)->LINEAR->SIGMOIDgroupArguments:AL--
probability
vec
captainNYS
·
2020-08-21 03:43
DL
卡尔曼滤波和matlab实现
下面的描述,会涉及一些基本的概念知识,包括概率(
Probability
),随即变量(RandomVariable),高斯或正态分配(GaussianDistribution)还有State-spaceModel
SelForcemiles
·
2020-08-21 03:10
图像处理
项目相关
滤波
[NOIP2016] 换教室
数学期望根据数学期望的性质,可以将其线性向后递推,故使用动规设f[i][j][0..1]表示到第i节课,用了j次换课机会,第i节课是否选择换课方程如下:f[i][j][0]=f[i-1][j][1]+a[i-1].
probability
Bill_Yang_2016
·
2020-08-20 03:57
动规Dp
最短路径
OI
信息学
动规
最短路径
多元高斯分布的MLE、贝叶斯条件概率和线性判别分析LDA的生成方法总结
GaussianmodelClass-Posterior
Probability
:logp(y|x)logp(y|x)andClass-Prior
Probability
:p(y)p(y)Lineardiscriminantanalysis
NockinOnHeavensDoor
·
2020-08-19 23:23
机器学习
概率论
电能质量监测平台95概率大值统计流程设计优化
电能质量监测平台95概率大值统计流程设计优化Abstract:Calculatethe95%
probability
valuesofmassdataisadifficultproblemforthePowerQualityMonitoringPlatform
鲁心
·
2020-08-19 23:41
数据采集
使用python学线性代数_二项式过程| 使用Python的线性代数
使用python学线性代数Whenweflipacoin,therearetwopossibleoutcomesasheadortail.Eachoutcomehasafixed
probability
ofoccurrence.Inthecaseoffaircoins
cumudi0723
·
2020-08-19 17:55
PPS理性决策自检模型
1.PPS分别是:概率
Probability
、可能性Possibility、程序Software。2.也就是这三问:这件事是不是高概率正确?这件事一定是对的吗?有没有其他可能?
琢磨概念者
·
2020-08-19 17:51
理解covariance协方差 vs correlation coefficient相关系数
covarianceFromwikipedia,in
probability
theoryandstatistics,covarianceisameasureofthejointvariabilityoftworandomvariables.Ifthegreatervaluesofonevariablemainlycorrespondwiththegreatervaluesoftheothervari
Quant_Learner
·
2020-08-19 16:04
#
概率与统计
covariance
correlation
协方差
相关系数
coefficient
Coin 2017 西安网络赛 快速幂 + 二项式定理
题目链接Bobhasanotevencoin,everytimehetossesthecoin,the
probability
thatthecoin’sfrontfaceupisqp(qp≤12)qp(qp
cc_wood
·
2020-08-19 09:14
算法之数学
probability
Set#设置概率
publicclassKobebean{publicstaticdoublerateKobe=0.50;publicstaticdoublerateLebron=0.10;publicstaticdoublerateMJ=0.25;publicstaticdoublerateWade=0.10;publicstaticdoublerateHarden=0.04;publicstaticdouble
宋春赫
·
2020-08-19 08:21
Java
2018-11-12
耿贝尔极值分布Gumbelextremevaluedistribution(EVD)1.3.6.6.16I-型极值分布1.概率密度函数(
Probability
DensityFunction)I-j极值分布有两种形式
寂静的繁华
·
2020-08-19 04:38
Marginal distribution 边缘分布
In
probability
theoryandstatistics,themarginaldistributionofasubsetofacollectionofrandomvariablesisthe
probability
distributionofthevariablescontainedinthesubset.Itgivestheprobabilitiesofvariousvaluesofth
tony_513
·
2020-08-19 04:41
概率论
Probability
density function 概率密度函数
In
probability
theory,a
probability
densityfunction(PDF),ordensityofacontinuousrandomvariable,isafunctionwhosevalueatanygivensample
tony_513
·
2020-08-19 04:41
概率论
php session 过期 设置
其实不是不起作用,而是因为系统默认:session.gc_
probability
=1session.gc_divisor=1000也就是说,garbagecollection有个概率的,1/1000就是
phpboy
·
2020-08-19 02:17
PHP
A Tutorial on Learning With Bayesian Networks 翻译
文章目录AbstractIntroductionTheBayesianApproachto
Probability
andStatisticsBayesianNetworksInferenceinaBayesianNetworkLearningProbabilitiesinaBayesianNetwork
Vic_Hao
·
2020-08-19 00:14
Bayes
uva 474 - Heads / Tails
Probability
(递推)
题目链接:uva474-Heads/Tails
Probability
题目大意:给定n,求12−n的科学计数法。解题思路:n不大,递推一遍,维护小数和指数部分即可。
JeraKrs
·
2020-08-18 22:27
GRADE:D
数学-数值问题
UVA
训练指南-第二章
UVA 474 - Heads / Tails
Probability
(递推)
UVA474-Heads/Tails
Probability
题目链接题意:给定n,求出2−n的科学计数法思路:水水的,n最多到100w,那么先递推预处理出答案,然后输出即可代码:#include#includeconstintN
lab104_yifan
·
2020-08-18 22:54
数论-数值问题
UVA_474_Heads / Tails
Probability
#include#include#include#include#include#include#include#include#include#include#include#pragmawarning(disable:4996)usingstd::cin;usingstd::cout;usingstd::endl;usingstd::stringstream;usingstd::string;
cxy7tv
·
2020-08-18 20:54
caffe Sigmoid cross entropy loss 交叉熵损失函数
函数映射到概率分布形状:标签输出:形状:计算公式:应用场景:预测目标概率分布ParametersbottominputBlobvector(length2)thescores,whichthislayermapsto
probability
predictionsus
deep_learninger
·
2020-08-18 17:24
上一页
8
9
10
11
12
13
14
15
下一页
按字母分类:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
其他