1.最少千万级是千万什么意思?
2.大三阳谷丙55病毒含量10的7次方其余指标正常,彩超显示正常,标源请问要抗
3.直观的千万显示股票买入,持股,标源卖入时机变色龙指标.谢谢
4.复盘CIKM 2019 EComm AI:超大规模推荐之用户兴趣高效检索
最少千万级是千万什么意思?
“最少千万级”是指数字数据达到了千万数量级以上的意思。在数字化时代,标源源码怎么换十进制数据量呈现爆炸性的千万增长趋势,越来越多的标源数据以惊人的速度涌入各行各业。因此,千万对于企业或个人来说,标源掌握并处理这些海量数据,千万已经成为保持竞争优势和发展的标源餐厅预订源码必要条件之一。
在现代的千万技术应用中,许多行业对数据的标源需求量非常庞大,如金融、千万电子商务、医疗、人工智能等。例如,在金融领域,需要对大量的交易记录、市场走势等数据进行分析和预测,以制定有效决策。仿fusionapp源码而在医疗领域,需要对大量的病历、健康数据进行分析和诊断,以提高精确度和安全性。
总之,“最少千万级”已经成为了当代企业或个人数字化经营中的一个重要指标和竞争优势。如何将这海量数据快速、精准地利用起来,不仅仅是一个挑战,而更是一项机遇。只有把数据真正转化为有价值的源码之家博客信息,才能推动企业的持续发展和创新。
大三阳谷丙病毒含量的7次方其余指标正常,彩超显示正常,请问要抗
乙肝大三阳,病毒复制比较快,传染性也比较大,你的这个结果的7次方已经是千万级的单位了,谷丙转氨酶已经是稍微的偏高了,说明已经有所病变和发展,造成了轻度的肝脏损伤。抗病毒治疗肯定是redux源码全文要的,不过不要着急,先了解清楚具体情况,像病毒的具体类型,身体的免疫能力,如果是治疗哪种治疗方法最好等等,然后具体做,这样才能保障效果
直观的显示股票买入,持股,卖入时机变色龙指标.谢谢
通达信主图变色龙:
SH:=EMA(HIGH,3)*(1+3/);
XL:=EMA(LOW,3)*(1-3/);
龙王线:(SH+XL)/2,COLORYELLOW,LINETHICK5;
黄金线:HHV(龙王线,6),COLORMAGENTA,LINETHICK5;
支撑线:EMA(C,),COLORRED,LINETHICK5;
STICKLINE(龙王线<REF(龙王线,1),龙王线,REF(龙王线,3),6,0),COLORBLUE;
STICKLINE(黄金线>REF(黄金线,1),黄金线,REF(黄金线,3),6,0),COLORRED;
指标用法:
(1)出现(蓝色)K线,是进入空头(弱势).
(2)出现(红色)K线,是进入多头(强势).
(3)当黄金线(粉色)转为龙王线(**)时,此时为减仓或暂时退出.
(4)当龙王线(**)和股价(蓝色)K线,跌破支撑线(红色)时,此时为清仓信号.
副图变色龙趋势:
VAR2:=(CLOSE-LLV(LOW,))/(HHV(HIGH,)-LLV(LOW,))*;
VAR3:=SMA(SMA(VAR2,3,1),3,1)/.;
VAR4:=EMA(VAR3,5);
VAR5:=3*VAR3-2*VAR4;
AAA:=CROSS(VAR5,VAR3) AND VAR3<2.1 AND C>O;
VAR6:=(2*CLOSE+HIGH+LOW)/4;
VAR7:=LLV(LOW,);
VAR8:=HHV(HIGH,);
VAR9:=EMA((VAR6-VAR7)/(VAR8-VAR7)*,);
VARA:=EMA(0.*REF(VAR9,1)+0.*VAR9,2);
多:VAR9,COLORBLUE,POINTDOT;
空:EMA(0.*REF(VAR9,2)+0.*VAR9,),COLORYELLOW;
STICKLINE(VAR9>VARA,VAR9,VARA,6,0),COLORBLUE;
STICKLINE(VAR9<=VARA,VAR9,VARA,6,0),COLORYELLOW;
Y:=(H+O+L+3*C)/6;
X:=EMA(-(/(1+SUM(IF(Y>REF(Y,1),Y*VOL,0),)/SUM
(IF(Y<REF(Y,1),Y*VOL,0),))),5),COLORBLUE;
A1:=,COLORWHITE;
A2:=,COLORWHITE;
A3:=,COLORFF;
A4:=,POINTDOT;
A5:=,COLORRED; MA5:=MA(C,5);
MA6:=MA(C,6);
MA:=MA(C,);
MA:=MA(C,);
A2M:=REF(MA,1);
J1:=(MA-A2M)/A2M*;
MJ1:=MA(J1,3);
MA:=MA(C,);
MA:=MA(C,);
MA:=MA(C,);
乖离2:=(MA-MA)/MA*;
VAR1:=IF(BETWEEN(乖离2,-2,5),2,0);
MAX1:=MAX(MA,MA);
MAX2:=MAX(MAX1,MA);
MIN1:=MIN(MA,MA);
MIN2:=MIN(MIN1,MA);
K1:=(MAX2/MIN2-1)*;{ 粘合度符合条件}
VAR2N:=IF(K1<=8,1,0);
短线暴张:DRAWTEXT(FILTER( (VAR1 OR VAR2N) AND MA>REF(MA,1) AND COUNT(MA>REF(MA,1),3)=3 AND MA>MA AND COUNT(CROSS(MA5,MA),3) AND J1>MJ1 AND MA(V,5)>MA(V,)
AND MA(V,)>REF(MA(V,),1),5),,'暴张'),COLORYELLOW;
DRAWTEXT(CROSS("KDJ.K"(5,2,3),"KDJ.D"(5,2,3)) AND "KDJ.D"(5,2,3)< AND J1>MJ1 AND MA>REF(MA,1) AND COUNT(J1<1,3)>=1 ,,'买入'),COLORWHITE;
XL1:=((LLV(LOW,3) = LLV(LOW,)) AND ((CLOSE / REF(CLOSE,1)) >= 1.));
XL2:=(((CLOSE - EMA(CLOSE,)) / EMA(CLOSE,)) * );
XL3:=CROSS(XL2,(0 - ));
DRAWTEXT(FILTER(((XL1 > 0) AND LOW),5),,'买点'),COLORBLUE;
DRAWTEXT((XL3 > 0),,'底部'),COLORYELLOW;
X6:=REF(CLOSE,1);
X7:=((SMA(MAX((CLOSE - X6),0),7,1) / SMA(ABS((CLOSE - X6)),7,1)) * );
X8:=CROSS(,X7);
X9:=FILTER(X8,4);
DRAWTEXT(X9, ,'出货'),COLORF5;
VARQ1:=(CLOSE-MA(CLOSE,))/MA(CLOSE,)*;
VARQ2:=(CLOSE-LLV(LOW,))/(HHV(HIGH,)-LLV(LOW,))*;
VARQ3:=SMA(VARQ2,2,1);
天:=+(-ABS(VARQ1)),COLORRED;
下:=SMA(VARQ3,2,1);
选股2:=IF(CROSS(下,),1,0);
DRAWICON((CROSS(下,) ),,1);
V1:=EMA(CLOSE,)-EMA(CLOSE,);
V2:=EMA(V1,);
V3:=(CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*;
操盘线:=SMA(V3,2,1),LINETHICK3;
V5:=SMA(操盘线,2,1);
抄底:=IF(操盘线>REF(操盘线,1) AND REF(操盘线,1)<REF(操盘线,2) AND 操盘线< ,,0),COLORYELLOW,LINETHICK3;
追买:=IF(操盘线>REF(操盘线,1) AND CROSS(操盘线,V5) AND V5<,8,0),COLORRED;
大智慧主图变色龙:
INPUT:M(,1,,1);
止盈线:(MA(CLOSE,M) * 1.),ColorFF;
分水岭:(MA(CLOSE,M) * 1),COLORWHITE;
止损线:(MA(CLOSE,M) * 0.),ColorFF;
总股本:=FINANCE2() ;
流通股:=FINANCE2();
限售A股:=FINANCE2();
每股收益:=FINANCE2(3);
市盈率:=DYNAINFO();
每股公积金:=FINANCE2(7);
所属板块:=BKNAME;
DRAWTEXTABS(,, '所属板块: '+所属板块),COLORYELLOW;
DRAWTEXTABS(,,'每股收益: '+NUMTOSTRN(每股收益,3)+'元 利润增长:'+FINANCE2()+'% 市盈率:'+NUMTOSTRN(市盈率,1)+'倍 '+' 每股公积金:'+NUMTOSTRN(每股公积金,2)+'元'),COLORYELLOW;
DRAWTEXTABS(,,'总 股 本: '+NUMTOSTRN(总股本,2)+'万股'+' 流通A股:'+NUMTOSTRN(流通股,2)+'万股'+' 限售A股:'+NUMTOSTRN(限售A股,2)+'万股'),COLORYELLOW;
{ }
x9:FORCAST(c,9),Colorwhite,LINETHICK2;
llx:=llv(FORCAST(c,9),2);
DRAWGBKLAST(DYNAINFO(3)<DYNAINFO(7){ OPEN},STRIP(RGB(0,,0),RGB(,0,0),1));
DRAWGBKLAST({ CLOSE}DYNAINFO(3)>DYNAINFO(7){ OPEN},STRIP(RGB(,0,0),RGB(0,,0),1));
DRAWTEXTREL(,,STKLABEL+' '+STKNAME+' '+DYNAINFO(7)+'元'+' '+DYNAINFO()*+'%'),LINETHICK4,COLORFFFF;
PARTLINE(x9,x9=llx,rgb(,,0),x9<>llx,rgb(,0,0)),linethick4;
{ }
{ 柱图}
STICKLINE(c>=o and o<>0,HIGH,LOW,0.5,0),colorCD;
STICKLINE(c>=o and o<>0,CLOSE,OPEN,8,0),color;
STICKLINE(c>=o and o<>0,CLOSE,OPEN,7,0),colorA3;
STICKLINE(c>=o and o<>0,CLOSE,OPEN,6,0),colorB7;
STICKLINE(c>=o and o<>0,CLOSE,OPEN,5,0),colorCD;
STICKLINE(c>=o and o<>0,CLOSE,OPEN,4,0),colorE9;
STICKLINE(c>=o and o<>0,CLOSE,OPEN,2,0),colorE9;
STICKLINE(c>=o and o<>0,CLOSE,OPEN,0.5,0),ColorB8FF;
STICKLINE(c<o and o<>0,HIGH,LOW,0.5,0),colorFFBE;
STICKLINE(CLOSE<OPEN and OPEN<>0,HIGH,LOW,0.5,0),colorFFBE;
STICKLINE(CLOSE<OPEN and OPEN<>0,CLOSE,OPEN,8,0),ColorCA;
STICKLINE(CLOSE<OPEN and OPEN<>0,CLOSE,OPEN,7,0),ColorE;
STICKLINE(CLOSE<OPEN and OPEN<>0,CLOSE,OPEN,6,0),ColorF;
STICKLINE(CLOSE<OPEN and OPEN<>0,CLOSE,OPEN,5,0),ColorFFB;
STICKLINE(CLOSE<OPEN and OPEN<>0,CLOSE,OPEN,4,0),ColorFF;
STICKLINE(CLOSE<OPEN and OPEN<>0,CLOSE,OPEN,2,0),ColorFFA;
STICKLINE(CLOSE<OPEN and OPEN<>0,CLOSE,OPEN,0.5,0),colorFFFF;
{ }
DRAWGBK(c,'7' );
Var3:=LLV(H,);
Var4:=*(C-Var3)/Var3;
Var5:=(C-LLV(L,))/(HHV(H,)-LLV(L,))*;
Var6:=(C-LLV(C,))/(HHV(C,)-LLV(C,))*;
{ Var7:=0;}
Var8:=MA(HHV(C-REF(C,1),0),)/MA(ABS(C-REF(C,1)),7)*;
Var9:=MA(HHV(C-REF(C,1),0),)/MA(ABS(C-REF(C,1)),)*;
VarA:=BARSCOUNT(C);
VarB:=Var8< AND Var9< AND VarA>;
VarC:=VarB AND COUNT(VarB,1)=1;
VarD:=EMA(C,)-EMA(C,8);
VarE:=EMA(VarD,5);
VarF:=TROUGH(3,6,1)<4 AND CROSS(VarD,VarE);
Var:=IF(TROUGH(3,,1)=0 AND H>L+0.,4,0);
Var:=ZIG(3,6)>REF(ZIG(3,6),1) AND REF(ZIG(3,6),1)<=REF(ZIG(3,6),2) AND REF(ZIG(3,6),2)<=REF(ZIG(3,6),3);
Var:=ZIG(3,6)<REF(ZIG(3,6),1)AND REF(ZIG(3,6),1)>=REF(ZIG(3,6),2) AND REF(ZIG(3,6),2)>=REF(ZIG(3,6),3);
Var:=ZIG(3,)>REF(ZIG(3,),1)AND REF(ZIG(3,),1)<=REF(ZIG(3,),2)AND REF(ZIG(3,),2)<=REF(ZIG(3,),3);
Var:=ZIG(3,)<REF(ZIG(3,),1)AND REF(ZIG(3,),1)>=REF(ZIG(3,),2)AND REF(ZIG(3,),2)>=REF(ZIG(3,),3);
Var:=ZIG(3,)>REF(ZIG(3,),1)AND REF(ZIG(3,),1)<=REF(ZIG(3,),2) AND REF(ZIG(3,),2)<=REF(ZIG(3,),3);
Var:=ZIG(3,)<REF(ZIG(3,),1)AND REF(ZIG(3,),1)>=REF(ZIG(3,),2)AND REF(ZIG(3,),2)>=REF(ZIG(3,),3);
Var:=ZIG(3,)>REF(ZIG(3,),1) AND REF(ZIG(3,),1)<=REF(ZIG(3,),2)AND REF(ZIG(3,),2)<=REF(ZIG(3,),3);
Var:=ZIG(3,)<REF(ZIG(3,),1) AND REF(ZIG(3,),1)>=REF(ZIG(3,),2)AND REF(ZIG(3,),2)>=REF(ZIG(3,),3);
Var:=EMA(C,2)-EMA(C,);
Var1A:=EMA(Var,);
Var1B:=2*(Var-Var1A);
Var1C:=POW(Var1B,3)*0.1+POW(Var1B,1);
Var1D:=SQRT(SQRT(L*H*O*C));
Var1E:=EMA(Var1D*0.,3);
Var1F:=(H+L+C)/3;
Var:=(Var1F-MA(Var1F,))/(0.*AVEDEV(Var1F,));
Var:=CROSS(Var1E,L);
买点1:=Var;
买点2:=(Var+Var+Var+Var);
卖点1:=(Var+Var+Var+Var);
{ 股旁网-股票公式网站 www.guPang.com}
Var:=买点1 AND VarF AND VarC AND Var AND Var4<0AND Var5=0 AND Var6=0 AND Var<(-);
DRAWTEXT(买点1>0,L-0.,'B'),LINETHICK4,ALIGN1,colorred;{ B}
DRAWTEXT(买点2>0,L-0.,{ 'B'}'买'),LINETHICK4,ALIGN1,COLORFFFF;{ B}
DRAWTEXT(卖点1>0,H+0.,{ 'S'}'卖'),LINETHICK4,ALIGN1,COLORFF;{ S}
{ }
{ 十字光标提示}
a:="LTFunc6@FORLT2";
s1:="LTFunc6@LT_S1";
hs:="LTFunc6@LT_HS";
ls:="LTFunc6@LT_LS";
p1:="LTFunc6@LT_P1";
upp:="LTFunc6@LT_UPP";
udd:="LTFunc6@LT_UDD";
{ hs;ls;hhs;lls;us;ds;s1;p1;p0;upp;udd};
d1:=ema(abs("ddx.ddx"),);
d2:=max("ddx.ddx"/d1+7.5,7.5);
d3:=min("ddx.ddx"/d1,);
fb:=if(s1=0,hs,ls);
tr0:=ifs(p1=1,'明日收盘价<'+numtostrn(udd,2)+',出现“卖”点\n','若明日收盘价>'+numtostrn(upp,2)+',出现“买”点\n');{ 1.BS点:}
tr1:=ifs(s1=1,'明日收盘价<'+numtostrn(ls,2)+',短线卖出机会','若明日收盘价>'+numtostrn(hs,2)+'短线买入机会');{ 2.短线:}
tr2:=ifs(p1=1,ifs(cross(p1,0),'“买”点','持股'),ifs(cross(1,p1),'“卖”点','持币'));{ 1.BS点:}
tr3:=ifs(s1=0,'向下,','向上,');{ 2.短线:}
tr4:='3.能量级别:'+numtostrn(d3,1)+'级';{ 3.能量级别:}
{ }
c1:=INTPART(cyc(5)**0.)/;
p2:=intpart(ref(cyc(5),1)*)/;
p3:=intpart(ref(cyc(5),1)*0.*)/;
vv:=intpart(min(capital*0.,ref(ma(vol,),1))/);
p:=intpart(maxcyc*)/;
p:=intpart(ref(MAXCYC,1)*)/;
p4:=p1=0 and c>p2 or (ref(vol/,1)<vv and c>intpart(p2*0.*)/ and vol>min(capital*0.,ref(ma(vol,),1)));
p5:=p1=1 and c<min(p3,p);
p1:=if(p4=1,1,if(p5=1,0,ref(p1,1)));
DRAWFLAGTEXT(p1=0 and (c1*0.-c)/c>0.1,c,'持币');{ 4.}
DRAWFLAGTEXT(p1=0 and (c1*0.-c)/c<=0.1 and ref(vol/,1)<vv,c,'明日收盘价超过'+str(c1)+';或收盘价超过 '+str(intpart(c1*0.*)/)+'且成交量大于'+str(vv)+'买入');
DRAWFLAGTEXT(p1=0 and (c1*0.-c)/c<=0.1 and ref(vol/,1)>=vv,c,'明日收盘价超过'+str(c1)+'买入');
DRAWFLAGTEXT(p1=1 and (c-min(c1,p))/min(c1,p)>0.1 ,c,'持股');
DRAWFLAGTEXT(p1=1 and (c-min(c1,p))/min(c1,p)<=0.1 ,c,'明日收盘价跌破'+str(min(c1,p))+'卖出');
{ }
bs:='<*t=F7*><*c=FFFFFF*><*p=*>'+datestr(date)+' 买卖点决策系统提示\n'+'<*t=E7FFFF*><*c=*><*p=*>'+'1.BS 点:'+tr2+','+tr0+'<*t=E7FFFF*><*c=*><*p=*>'+'2. 短线:'+tr3+tr1+'\n'+'<*t=E7FFFF*><*c=*><*p=*> '+tr4;
drawflagtext(1,fb,bs);
DRAWTEXTREL(,0,'变色龙'),COLORYELLOW;
复盘CIKM EComm AI:超大规模推荐之用户兴趣高效检索
大规模电商推荐系统中,如何在短时间内从千万级别商品库中为用户筛选出最感兴趣商品是关键问题。传统兴趣预估模型由于计算效率低而不适用于实际系统,因此,竞赛聚焦于高效用户兴趣检索,目标在于避免全量计算,精准从商品库中检索用户最感兴趣商品。
竞赛数据集包含用户行为、用户ID、商品ID、行为类型、时间戳、用户属性等信息。召回阶段,采用Item CF算法,先统计item-item相似性矩阵,再结合用户历史行为推荐商品。面对复杂度高问题,通过并行处理历史日志,将用户分组,计算每组内item-item共现频率,最终形成包含约万个键值对的字典,显著提升效率。在召回算法实现中,借鉴年腾讯SIGMOD论文,提出基于置信度计算的相似性指标,进一步改进考虑用户活跃度影响,显著提升线上效果。
排序阶段,召回后选取候选商品构建排序模型。将任务转化为二类判别问题,利用特定数据集划分训练集与测试集,确保样本分布一致。训练过程中,正样本和负样本从召回列表中生成,避免无效样本。最终采用Catboost和Lightgbm模型,Catboost表现出更好抗过拟合能力,使用全部特征效果显著(线上效果为0.)。Lightgbm使用全部特征效果不佳,通过特征选择,仅使用个关键特征,显著提升模型效率。
在特征选择方面,利用多种方法减少特征数量,包括独立性检验、Mean Variance Test等。理论支持与实践应用均显示,该方法在特征选择过程中表现良好,有效提升模型性能。竞赛中采用的特征选择方法,不仅在理论上有坚实基础,也已在多个项目中验证其有效性,为后续推荐系统优化提供有力支持。