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maodeng 发表于 2013-1-28 13:13 " L6 Q7 l; l6 m' ]
. hello 300236
9 I) b# r* s! |0 |" qstatement out of context
+ v* F( a0 m" g$ G0 _0 tr(119); ; R: l/ J( y; x& |) _3 P- p7 N2 O
抱歉,最近太忙了
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0 w' e) a( {. x7 }4 P% y300236 我用下面的程序试过,没问题
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你把 D:\stock\test\source 改成你导出的数据存放的目录,再试一试
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% r6 c3 W$ n8 t9 Y+ _capture program drop hello
4 ?9 |& I& R& x) q! M/ s! u+ [' H* s2 t( ?
program hello
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quietly {
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- O* U6 [; D# \0 a+ c, `" t% ]clear q- S% j# A" P
, H7 A& f0 b+ T- e" ^cd D:\stock\test\source
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insheet using `1'.txt/ p' M1 W2 j" D' C/ X
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keep if v5>0
6 }; {" w7 K+ S* b% }
8 {( W! N' F v! _3 m& ` gen vt=_n
1 r; B* Y, \( x. a% M1 O " } r% k: p5 W( {3 u$ k4 Z
tsset vt$ u$ ?8 p0 r+ x: y3 V% A6 x% B5 r
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gen zf=D1.v5! v& c/ X& |% h5 o* n
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gsort -v1
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gen avol=v7/v5; U8 H1 [' u5 Q B1 m. v. u
+ U7 ^7 j3 r8 A! x6 i5 x keep if avol>0
0 l: ? R" ^) C6 I3 j/ M
, C; Y+ L$ K9 g# ^% D/ h# m drop vt
4 t$ \* d T$ S" H# r . N) {* s/ I1 K$ S& I
gen vt=_n
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tsset vt7 J1 g9 X) t2 T7 J
{+ @) q$ d. e
sum v5 [aw =avol] Q! {0 F% T& e- M8 o/ Z
9 z% t Y4 n; B4 _ gen amean=r(mean) in 1
0 v2 A9 c7 }( ]. A & Z; Y) K/ t! Y, }% u( T5 L
* 总加权平均值 amean# X- a7 V: I9 G7 d i& g' g
6 s, E4 ?! I) _, `: _
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keep in 1/240! l& f$ ~0 C) {) D2 {7 I3 |
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sum v5 [aw =avol]4 p4 d8 U: b3 C" G* k2 h5 E
1 G! S* o' _) [: y# ]
gen mean240=r(mean) in 1+ o0 `* R& `( X! J
: M. B# j7 F1 p *240加权平均值 mean240- {% w1 n, j6 p# c# `
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set obs 500
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$ X( m+ {6 Z; Y. K: D kdensity v5 [aw =avol],gaussian n(500) generate(dx240 dy240) nograph6 e% b' i2 h7 l4 Y7 C' L7 L
5 Y' Q7 W8 R" o *240 kdensity(dx240 dy240)% A4 y. y9 ~; |: v) Z, v: J" `* n q0 ]
3 d: e; |* b R; k: g! O
sum dy240
( k+ M3 O% q" `( V$ M& O& @ ! C# S* L0 p q
gen yxis=r(max) in 1. H5 p- ]5 |; V$ }
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gen yxis2=yxis/28 @& O1 _! F9 w1 b3 Q3 `( b
, H' A/ x0 |0 u *yxis$ _( d; M: K3 Y$ G4 A8 a# n
. {4 S2 J9 ^9 K gen dy240max=r(max)" S4 [+ I- O) q$ Z% l
3 X9 z7 v0 C c+ n; Z8 I gen dy240minp=r(min)
/ @' T& |/ r" x; O
, Y8 t s# K. I2 {) o0 ~$ L gen vtt=_n" s( s& q& ]8 E/ U* w
, z: Y b8 [9 l5 Y* j( ? tsset vtt
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: s& d K8 c1 _- u9 ~' y6 ~, i0 R* a* u gen ddy240=D1.dy240/D1.dx240
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sum ddy240
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gen ddy240max=r(max) a) a" t# V2 B& h7 B7 Z7 w+ U
! e& o4 J* T% M# p( H" d" A. A4 v gen ddy240min=r(min)* F. U* k& B1 G! y1 g
1 L/ D2 |6 v) l& P! _2 Y# Z gen ddy240g=ddy240*(dy240max-dy240min)/(ddy240max-ddy240min)( j* m. e: V, {3 u5 m" [- P/ N. {
& x7 c; ?9 q$ [, f1 E sum ddy240g. Z( |: H; g) w" |7 P) R
4 {) h9 g/ I" \6 E, o1 ? gen yxis3=r(min) in 1( {3 x+ T! b& f4 }& C
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gen yxis4=0 in 1
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*ddy240g
0 {# K( ~0 o' |( w/ [6 O( o ! O/ @ X( {6 p. |& X+ O4 `* m
$ w! r2 B9 n3 v- j' I; y
preserve
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7 t" p9 x& W& i, C sum v5 [aw =avol]. @. @" ]5 Q- o
9 X9 I: r! w7 K! f" M+ _# {7 D keep if dx240<r(mean)
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sum ddy2406 M- t, W8 g5 L' k
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if r(min)<0 {
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: Y7 }. I: S; o1 Y6 y keep if ddy240<=0
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count
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9 u7 w7 Y/ P c- w0 O9 V if r(N)>2 {
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& D2 [* C4 f: p$ X, N* u$ Z pkexamine dx240 dy240* A; r! _$ ?) ~4 \$ P
% |2 x+ s7 j2 @& N3 u4 u local tempminp=r(tomc)/ t! U' C# X$ N' `
restore ( s$ @5 I) ?* n* \; K
}
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else {
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4 I2 W5 m7 } c# r di "cannot find minp"
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restore ]9 P- U$ h9 C8 N; O8 @6 a
sum dx2401 K+ R6 r1 w' @5 @# }
local tempminp=r(mean)
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}
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+ w4 E' }: T+ L2 Z( Y, K3 C else {
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% |# [1 J# X0 G/ p6 G- P+ S keep if ddy240<=r(min)+ E0 k" T2 Z0 Z7 w8 i7 V2 v
; j1 t: d+ G. L sum dx2400 B! |0 L* D- }# \, X# m% ]
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local tempminp=r(min)+ X9 R G: k: | ]* H' \) y
restore " h; W) }& ?4 \3 t% B
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% g3 I/ ~! S) }$ ? gen minp=`tempminp' in 1
3 w8 T$ ?2 {* |" M: d9 l *240 minp8 V; X" v; |4 x) T
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preserve 9 A7 Q& C7 I& t! d% R* ^* S
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sum v5 [aw =avol]6 N- }0 S3 K% z. [
Y: n2 D' @% a' i. l
keep if dx240>r(mean)7 c0 `$ X0 G b* _! N4 Y
( O. Z6 ^1 Z5 p2 ~* t0 M, l3 z' ] sum ddy240+ w4 y9 k6 P2 w1 I, j( u
5 \( [3 b6 H5 i* Z1 G$ P if r(max)>0 {
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keep if ddy240>=0
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1 Z9 M' j/ e4 |: |$ J: C( h count. }% x8 @4 f- s9 X- M
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if r(N)>2 {
+ g* {: L" W9 Y& {. q
4 A& q- F9 N* y- A pkexamine dx240 dy240
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5 m0 ~, Y) [$ E) y8 W$ f3 B" w" a local tempmaxp=r(tomc)
% J, J' d7 p1 x- [5 S restore / _. G6 D# b9 t8 s% @$ P/ L" g
}
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else {/ n* r6 g. I9 W1 W6 o4 u% S0 `
restore * v8 H4 g; V0 l# S
di "cannot find maxp"2 U8 Z7 Q2 z; Y* s/ K
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sum dx240# H5 ]$ x% o" i
local tempmaxp=r(mean)
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o* W9 c& l* m6 i else {$ o' {1 C8 R) a$ H8 _. @
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keep if ddy240>=r(max)
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J9 u0 H( b7 X5 ^: l+ j6 s9 S* r& Z sum dx240
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* L! I C' }2 Q7 X* |( l$ i1 L8 h local tempmaxp=r(max)
# F; j& V l1 R4 [ restore
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8 Y( t: r7 `. ~ O) ~1 [7 O$ } gen maxp=`tempmaxp' in 1
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! v+ i: C, t6 Y; n *240maxp
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$ N5 J7 [- ?8 L, m! M *-------------ddy240pminp左侧高峰值-----! t9 Q v& Z9 e& r/ Q
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preserve
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/ {! O* I; A# _$ }. F5 m keep if dx240<`tempminp'3 e* V. C1 ~4 _. b( q; n" n* r4 p7 y! V
: ^4 a& E4 ]3 v& b s% N: Q$ @ keep if ddy240>0
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' \3 d, A1 G' F count
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% N+ D' k3 ^- V if r(N)>2 {# v! M9 b8 n1 g" N" h
, ~# B: f+ l) u+ A pkexamine dx240 ddy240) W! X$ s, [) y% U
, c, X7 F7 K" F. l: Q J1 V$ { local tempminphddy240=r(tomc)
1 e( z( \, U& T, F restore' m6 D( L/ U1 G
}
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else {
- ^5 U% {/ z2 [: Q$ l* f) y! ` restore
; F* {0 T9 K' v+ g di "cannot find pminphddy240"
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. `+ r/ S3 ~% c* K6 n0 v5 V sum dx2404 G& X4 n" R4 q, G7 J; x
local tempminphddy240=r(mean) ^1 A x. W7 n+ C
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}
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: X7 z. [2 J5 Y4 G* S' ~. X, X gen pminphddy240=`tempminphddy240' in 1
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*-------------ddy240pminp右侧低峰值 -----------------/ Z2 {9 c4 E$ o7 s5 S! B( L& Q: B9 F
preserve
7 O$ x/ D: c E0 ^! y ! j! Y" D% b3 v: R3 @" h/ h- {. d. }) V3 x
keep if dx240>`tempminp'
6 N j7 A' V& x3 ^( S 4 d' U' v: x# f
keep if dx240<`tempmaxp'! M* D: y; O( a
; Q8 K; a; m. @ T) h9 k$ O
keep if ddy240<01 ~4 y5 w( o Q [# N- k7 P& C
, k: Z2 w) F/ k
gen temddy240=-ddy240# v2 M, K+ B+ w5 w8 y
0 |3 P' X0 \( Y& [$ W8 a2 [. w! Z count6 e4 l, f7 Q- a! _! P" z
# \ N1 i0 Q6 O" `- ~
if r(N)>2 {
; I6 P4 {3 m# D9 S3 Q) Z3 q" r2 S
# ~3 q; B1 g/ D2 R2 a! r5 n pkexamine dx240 temddy240
/ L @6 l9 _' b. v1 n- d 8 I; M. S0 F; Q) R: ]( Y
local tempminplddy240=r(tomc)
9 g. t. Q- y. g N+ a4 m( i restore4 {/ i+ a. v& c0 _9 F7 T& b' }
}
, ?( `1 n7 k" s9 u& |1 Y' e ) U: a$ M+ k" h. [3 P
else {
( U+ V/ h" A/ E6 }% u7 j
) I1 ?: ^+ G5 ^) o% m% g- _ di "cannot find pminplddy240"
1 P O' F/ T Z2 K; {6 q0 Q9 i restore3 {6 f. p1 j# M r, c
4 ]) q$ o) m4 t! x sum dx240
3 [% I( n! _5 ]$ a( r local tempminplddy240=r(mean)
4 ]4 I, b( W& u7 F6 n4 N+ z5 N
" X+ }+ i- X5 X/ A% l! V- d" L1 B. F% ~ 7 @# Y' ? I6 z$ x
}
$ T1 P' B0 t7 i. ?
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" \2 ]3 r2 {" E+ ^# ~
/ @* m8 H5 _: a; u$ k gen pminplddy240=`tempminplddy240' in 1$ L9 e0 k; |" H. ^: `; j" ^
: R# L2 m% T# L$ J
*-------------ddy240pmaxp左侧高峰值 -------------------
1 a3 @$ ^* D G0 e : t3 \) _* u: }8 r& v: z
preserve 4 J( C, C, i6 |) M1 K
# C$ @! c1 E+ ~3 T1 s7 J keep if dx240>`tempminp'
8 {% V; \# k" y 0 L( H6 G. E& ^) l7 g* g; k
keep if dx240<`tempmaxp'
% b! Z' I/ x- x" z , x. F' h3 n( ^' `; y# c$ c
keep if ddy240>0
3 x5 R/ I8 ^; V% H- x count F# G( C* p/ N- \, a; G0 m, W0 b
; t; E$ v: ]* {3 y* e if r(N)>2 {
5 c; b1 B# E: c" i; q
1 r+ h5 Y. K8 K6 n7 u7 Q pkexamine dx240 ddy2407 _# y" W G, x4 ]) j
0 x. I: ?; N4 r4 ~$ H' g local tempmaxphddy240=r(tomc)
% _6 J0 B9 E$ p2 a# Y) j$ V( y' _ ) z9 [! O) I8 [, v" O
restore
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9 Q8 b' j# {1 D9 V; h
else {
+ D, f3 s3 b" z( U8 g" l* \. _
9 T. o, w6 T0 j di "cannot find pmaxphddy240"" t4 ?2 p6 L" J! j8 ^
restore' N" B$ w' ^3 g* g4 A2 V
4 q& `; C6 i! E& B# b& a' Y sum dx240
0 w) U/ T3 w- A9 g& _$ C) C! B2 B+ M local tempmaxphddy240=r(mean) : }$ }% [; E' R* k: ?% L" T
" b# x$ i: j ^2 ^
, ^. f/ w$ ]7 H0 v# e }
* N+ ?2 }; ]: V8 i- f8 |% d % w1 u7 t5 ^* ^) X! m3 _
& Y% Z: r' E* w( H$ d- [
1 X4 i c5 B- N$ D) s7 t. Y- U+ h
: w4 z5 |; [/ ~
0 O9 f! ~8 }, `: S+ i
5 W: z9 @2 i$ Y4 j gen pmaxphddy240=`tempmaxphddy240' in 12 L2 d" h. I7 R
5 G' a2 V+ y" H0 B1 Q( X4 z$ | ' j& ^! b- D3 Q, r% i
*-------------ddy240pmaxp右侧低峰值 -------------------
1 o3 n* \- M: j% s: F 0 c3 T- \( _7 O. T
preserve
! d+ ~/ Q% `0 a! i# I0 \ ' B* l" ^ }6 s1 e* m- t
keep if dx240>`tempmaxp'3 s. \5 C3 p# r
( o/ `. e8 L) G8 l4 z8 w( c gen temddy240=-ddy240
+ \- m3 p& o' Q. }8 u
5 H* N! B# B6 g0 c- R" X4 o' y keep if temddy240>0
& @+ o6 T/ b/ l" S& J) |# h
/ u2 L- [6 H" _2 Q: U count
7 ]& C& r' x! D6 ? * P) l$ K& |3 @% ]
if r(N)>2 { r$ z- E) v/ P+ }+ f& o) Q4 K
2 @3 G. X' s! w
pkexamine dx240 temddy240% v$ H8 o5 x: D/ ]
0 o7 ~' |3 i* w& w
local tempmaxplddy240=r(tomc)
) r( U# q% s0 w2 U( Q6 Y* x restore. }& s) s8 y: W& @) E. h
}6 N$ L% O' T$ |/ S
" `- B w" I' \- o6 R
else {# ?) m* Y* m2 |4 ^' C
restore* i$ X3 R9 W0 U1 T8 G$ x
di "cannot find pmaxlhddy240"
. I, s+ ^& s1 J6 l # h% J3 A, }" ~9 }
7 G0 |+ t. v5 \6 |& w. [* B sum dx240+ G- Y3 k) S% ?7 d; {
local tempmaxplddy240=r(mean) in 1) O L! u" B; [3 L/ F* H k' h6 M
5 W8 Z7 u( P3 M" M1 F: s* }
7 }9 a( B3 D0 I
}/ r5 A7 [8 _2 O r& ]* y1 O# p( q
* U/ c& @7 W0 L \* w
& h1 z! A/ v5 u' q* J1 n 1 I9 {9 B$ o9 R3 o. [8 A$ K8 Z& q9 p. }
( t' J# t& x% }( Q9 @
% P% w6 L: Q, B0 ]
! L/ |& U9 A8 e8 S5 D( u gen pmaxplddy240=`tempmaxphddy240' in 1( J( M& T( c, ~& ^. l" c
( R, |0 ~+ R% G K( Y$ s/ X
*-------------------------------------; s% e1 f! A) D' s3 S3 t
~$ I! L" I& f/ } p5 _4 i
gen price5d=v5 in 1/20
8 k9 ?: Z/ q. t1 q% f& I
" A0 {$ t$ r9 k( ` gen price5yy=_n in 1/20
) Q* f. V- b: { ( \; s5 C4 N; i! k
gen price5y=price5yy*(dy240max-dy240min)/20
$ K$ K! Y& [& P# t2 D4 U
5 l a j7 p/ h9 ?8 t1 c *price5y &price5d1 z/ d) X5 @* K$ {1 c7 M
5 m2 r0 D+ {6 L2 D. g8 l
gen priceny=price5y in 1( U. F/ }! d# f: s3 X
6 ?% M! {6 q( A- o$ ?: ?1 d gen pricen=v5 in 19 [7 Z9 L F$ h8 ~
6 b( Q2 e0 ]; Z4 {( ]- q* A6 | $ j6 `( Y# N$ k# v* O' a& i+ F( q, A
*priceny &pricen
$ O6 E7 p/ N6 @* ]
8 v7 u6 _/ [) v# o/ ]0 p/ U
" d8 x5 ^) ]8 E *-------------------------graph------------------. R: e7 G, J/ L4 V3 C9 _+ x M
+ q. |5 W( D0 A' E$ y& T* V I9 t
tw(line dy240 ddy240g dx240)(spike yxis mean240, lc(red))(spike yxis maxp, lp(-) lc(black))(spike yxis minp, lc(black)) (scatter yxis2 mean240,lc(red) msymbol(+) mlabel(mean240) lc(red))(scatter yxis maxp,msymbol(+) mlabel(maxp) lc(black))(scatter yxis minp, msymbol(+) mlabel(minp) lc(black))(scatter yxis4 pminphddy240, msymbol(O) c(l[-]) mlabel(pminphddy240))(scatter yxis3 pminplddy240, msymbol(O) c(l[-]) mlabel(pminplddy240))(scatter yxis4 pmaxphddy240, msymbol(O) c(l[-]) mlabel(pmaxphddy240))(scatter yxis3 pmaxplddy240, msymbol(O) c(l[-]) mlabel(pmaxplddy240))(scatter price5y price5d, msymbol(O) mfc(black) mlc(black) c(l[-])) (scatter priceny pricen, msymbol(O) mfc(red) mlc(red)), title("`f'") xtitle("`1'") ytitle("density") legend(off)
1 z; l; d c9 ~( T. g( Y1 q( Z: Y6 ]% ?- w1 @5 P' t. P
* ---------可选项目----------------------$ r7 d# k, R9 E% y+ o1 u
*(spike yxis amean,lc(blue))(scatter yxis2 amean, lc(blue) msymbol(+) mlabel(amean))
2 K9 ]2 X- \0 `: {1 h$ v6 j+ C}& M. V) H) v- `% J
end
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