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maodeng 发表于 2013-1-28 13:13 @* z3 Y# X) t4 Z* ?: @5 p
. hello 300236
% a4 {' n g) ^0 \statement out of context
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抱歉,最近太忙了3 Q9 Z) a6 h" W7 n, r
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300236 我用下面的程序试过,没问题8 q3 X" F9 P1 R3 |: \& B
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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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capture program drop hello& c% }: p, w C3 r$ e
: c: N5 H7 W y0 Z4 p. Hprogram hello
* L8 R# g/ z0 q/ _+ m5 ~0 D1 ? I$ ^" ]' F; S4 W$ F4 z
quietly {
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clear8 M; b1 D, w0 R# d' Z
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cd D:\stock\test\source
% x7 c. R! o; H7 J- k7 m. G. m) z C }
insheet using `1'.txt
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8 y* v3 g+ X+ K& J) _% I8 m keep if v5>00 K4 r/ A) a; H% v5 O. Q' E4 h
- Y. I3 D( X. `( j6 e( }
gen vt=_n
* o$ v3 S7 I1 i% ^) Z
% U: u% {8 j( y7 J% { tsset vt; u7 E, w# H* H& I
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gen zf=D1.v5
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gsort -v1
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gen avol=v7/v5
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2 O- X- e+ h" Q keep if avol>0
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) E4 h' M6 Y9 J/ j7 { m drop vt
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: o+ T1 ^, i Y1 i gen vt=_n& q- w2 G2 T. [$ E Q2 f9 S4 V# P
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tsset vt
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sum v5 [aw =avol]
( n# i! \; P9 e1 ]2 \, ]0 [6 h: v" F" i0 {
gen amean=r(mean) in 1, m% L- A* f1 r/ y; g
8 h% V5 K' L$ V! X * 总加权平均值 amean
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keep in 1/240* }0 b& A' W$ [, k' }
N6 f5 _; A; ] ~) k% j sum v5 [aw =avol]% M; F4 ?" W5 u0 w
2 e3 V. d7 U& A' s! L- W
gen mean240=r(mean) in 1
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6 C4 \4 V, B* I) \: G6 h8 o *240加权平均值 mean240- |; \; ^( S( Z
7 D$ R% K5 S- u: ~9 e8 @ set obs 500
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. J' ?8 t% t2 j/ W7 C4 N, z kdensity v5 [aw =avol],gaussian n(500) generate(dx240 dy240) nograph
9 \5 e, v. T# }" X& e
& j. C5 u8 Y n6 {6 o' c/ c *240 kdensity(dx240 dy240)6 [8 h! `- g) p! {
# u: c4 C' ]- E2 K- J z* K' E$ G1 b; W sum dy240
* {" Y% i7 X+ b! ]
$ {5 M; y3 @! g+ W h gen yxis=r(max) in 1: O- |) @' R# W8 I% O- F% I; V, p
8 r, F6 ?& p" r+ ~ N1 T% ]+ z gen yxis2=yxis/2
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*yxis* s0 P9 B& ]" Z x! c# j i4 F
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gen dy240max=r(max)! [- Q% D! V( g: `
' q. |, y j- O: }9 } gen dy240minp=r(min)
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gen vtt=_n% n, o% i1 i. T6 m9 r$ m
, e7 V4 ~) Y6 l; d0 j' W tsset vtt
+ g) Y& e6 q) M( x8 y
, _ i. t) Q" X( h$ f gen ddy240=D1.dy240/D1.dx240
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sum ddy240, q9 t, p: X: ?$ |( W) ~
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gen ddy240max=r(max)9 w$ ~0 o% h% u3 f) ~7 }/ w
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gen ddy240min=r(min)( x: F/ L0 b. y, q* X
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gen ddy240g=ddy240*(dy240max-dy240min)/(ddy240max-ddy240min)
+ X' j- A9 Q3 z8 v) s
6 J0 l- B0 P4 q/ s# _ sum ddy240g
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gen yxis3=r(min) in 16 {$ h& T; v$ O
$ |7 b( R( @, _; T+ m2 W1 Z gen yxis4=0 in 1- ~ \* g$ O& y; R. M
. _+ p3 O' ~' M3 |" m *ddy240g
* S% K( A. e4 }
7 @5 U7 B0 C5 O" C
' A+ Z/ p5 ?6 x/ T& O5 t preserve $ t. F6 }2 d- d: f+ t5 Z1 ]7 u8 m
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sum v5 [aw =avol]( ~3 R# m* w( j4 x. B
% a( z. G$ C& c( r keep if dx240<r(mean)
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3 l5 M% i/ ~; Y G$ k S! V sum ddy240: E' V2 x T. G/ Z/ H! ?
6 c3 v6 \* c+ V6 F if r(min)<0 {/ K ^- ~4 R9 F0 O- P" E
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keep if ddy240<=0
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; F1 n& ^3 \. y, C& H3 V' T$ I3 Q count5 i+ R# X6 a0 {% w& A
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if r(N)>2 {9 Z% F& m' @% G0 N0 @% x; R
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pkexamine dx240 dy240- b5 E; Q i" b6 v" _7 C; O- p! ^
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local tempminp=r(tomc)/ V# z y. B7 M. x2 q
restore + S& d$ Q$ f% z% h0 E: B9 z
}
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else {- _% ~& ~* i; v) Y
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di "cannot find minp", q+ h6 J" B5 _7 P8 C
4 r" z4 h1 r" Z% @7 N+ E) t. z6 Q* D restore 0 e& ]/ X1 q9 F5 @) X0 t
sum dx240
) F2 g, p5 d) ]! c4 l local tempminp=r(mean)
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}
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else {
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keep if ddy240<=r(min)
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sum dx240
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# c$ e9 r5 A+ Y6 i- U$ j# p local tempminp=r(min)1 \$ {5 U% s$ M( S2 U
restore
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gen minp=`tempminp' in 1 C5 A8 {7 v: l$ d5 r" W: H9 J0 V: o
*240 minp
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preserve 6 Q7 b- Y: q( A+ k" G
4 q% {6 p" G& k' t9 ]$ j5 l4 w sum v5 [aw =avol]
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keep if dx240>r(mean)) F- B9 K. z" O+ w
6 C6 e7 S' i( f, @3 h
sum ddy240' M$ d% K. @" M: _& u
0 d9 P! W5 ?4 ?) u* e1 s, `* X$ {
if r(max)>0 {' j6 i7 }- Y- x, b8 U6 O$ C
3 t4 m/ q8 X! U keep if ddy240>=0& G o4 W2 V$ f5 J1 Z
$ [' W( c7 v1 y! z- _ count
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if r(N)>2 {
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$ Y% g3 C& a3 ^ pkexamine dx240 dy240/ \5 M; A( q2 i
4 Z& S/ P _/ R6 N# ^' c1 ~2 m local tempmaxp=r(tomc)
% K. A" c% g* g! n2 K( i! v& Y restore
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1 Z) Q* D+ ~4 `# F0 _2 L else {
! ` ]. ~3 p" O) s restore
x( a) P& C" G1 q di "cannot find maxp"
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1 [ h. ]& R2 r+ b
( F- z( W- F, H5 q/ P sum dx240
; q* M. [9 A8 m) ? local tempmaxp=r(mean)
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else {
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+ M7 V1 w) U, u6 t keep if ddy240>=r(max)/ f# Q. d L- x0 ^
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sum dx240
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local tempmaxp=r(max)
+ Q& `4 u- c# ~1 D) Q4 y7 R) } restore # E: a) n8 \) V$ I7 n" C
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' R% \9 X2 a( D7 b! o gen maxp=`tempmaxp' in 1
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*240maxp
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*-------------ddy240pminp左侧高峰值-----
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preserve : s' \" b( N% @6 y' @
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keep if dx240<`tempminp'
# q$ B( u \3 M! t w& o + q- u0 h- H0 u4 S5 Y+ {# r( ~
keep if ddy240>0
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) O3 ~9 ]' _4 l1 s6 v0 V5 b count
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2 u* K: C$ M9 U% W" z+ w/ A. y5 X( g if r(N)>2 {8 `9 ~- `1 D: k
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pkexamine dx240 ddy240
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) W8 S8 X1 r1 ?/ M local tempminphddy240=r(tomc) 1 r$ u5 f: ~* @/ K0 U5 F9 P* c
restore
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# w/ Q6 Q0 M3 x else {% ]: n$ M; l2 f' j
restore & @% x0 i5 M9 V% P* r
di "cannot find pminphddy240"
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sum dx240& W, r' _2 f8 t! c$ z* N
local tempminphddy240=r(mean) & U% P' Y5 t, N7 N3 O- l
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gen pminphddy240=`tempminphddy240' in 1
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*-------------ddy240pminp右侧低峰值 -----------------( O2 d; F7 ]6 x1 k
preserve * ^- E2 b6 D+ [$ n: g
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keep if dx240>`tempminp'
( u* E0 p0 ?4 U+ K # W- Y' ~+ Y$ P. W* }# `. U
keep if dx240<`tempmaxp'
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keep if ddy240<0! {- o% J9 e% F. q4 p
. @% U4 S6 W$ q& |1 ~/ s
gen temddy240=-ddy240% X M" _7 w0 l) y. n+ H. y3 e" _
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count
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2 e+ Y+ w# y! s, H1 `) A4 q if r(N)>2 {; V" m3 w% T3 x5 r
9 m% X; P* _* ` pkexamine dx240 temddy240% i% s9 Q. b4 G3 [- y9 \
2 P" m. Y% ?6 `9 ^
local tempminplddy240=r(tomc)
4 r$ l! l9 l f! v, V5 }5 c restore; L! a: [% K) Z
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7 J! A: s$ {! p5 }' l: q! \ else { n5 T: h! F" A* ^: q4 Y- v: k
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di "cannot find pminplddy240"
5 E( ]. _2 w& n D8 d/ D) S restore
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sum dx240
" b8 w, D5 V5 v+ o) r/ x local tempminplddy240=r(mean)2 A+ j- u# `! O
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gen pminplddy240=`tempminplddy240' in 1; u9 p4 v- W7 @, m2 ]
( _1 `# V/ i8 E *-------------ddy240pmaxp左侧高峰值 -------------------
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preserve
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keep if dx240>`tempminp'
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keep if dx240<`tempmaxp'
2 i4 s/ \! K% T
# F: m/ e, `( n keep if ddy240>07 U! j) S( m3 l. d
count9 s5 h/ f6 {, ^
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if r(N)>2 {7 M1 T9 H6 t! l; k, K: }% C; }
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pkexamine dx240 ddy240$ ~; j6 ?& A7 {, J+ U j
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local tempmaxphddy240=r(tomc) ! G% k7 }; A5 o. \/ ]
4 Z8 ?, K0 `" J5 _& _+ d9 Z restore
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6 c3 L k8 o" r" ]' \ else {/ a( l5 j0 _/ m) P& B( `
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di "cannot find pmaxphddy240"
9 k |1 s8 g1 e2 ^. Z restore
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sum dx240! L5 ~9 D1 |# W4 d2 |
local tempmaxphddy240=r(mean) 3 _/ B# h) J) y _! b, \1 } _/ b
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}
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5 q1 j4 w. s; J# ?: p* x
& l% e* b/ w8 g& s0 t+ n
0 s) y, l2 M$ |7 s0 ] 7 H+ e: I. B* ], b- Z ]% }
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gen pmaxphddy240=`tempmaxphddy240' in 1
' ?- _0 g k! U2 {
@. ?! p r F9 ]% {8 J& f 2 X2 n+ R0 m9 U# o( [
*-------------ddy240pmaxp右侧低峰值 -------------------% V& I2 U) {, B& X6 W# X
( D7 l! v7 S# i6 O preserve
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$ ]/ P8 e1 f. M9 B keep if dx240>`tempmaxp'( a8 A! N; W4 o: k# w
, m" Q- b: h( q# T gen temddy240=-ddy240& d5 C8 I# u6 f- I: H. ~
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keep if temddy240>0& x9 O' l; ^ y" }7 p' `' Z' H+ t& p
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count
: V0 T; z% x- [7 ?, g & ~# |- A2 [, A! C& J% p
if r(N)>2 {+ U) @- T: V3 S; {7 k: H9 n; H
) U( `( [9 @7 b, g$ q
pkexamine dx240 temddy240
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local tempmaxplddy240=r(tomc) # U3 v2 Q: q% D/ h2 o
restore
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else {
! f& R, g" `, l# o/ b9 w/ B restore! n7 Y" q: C! E9 o' @3 x% l1 ~
di "cannot find pmaxlhddy240"& s) K: Y, C! {: `) k" `) }
5 v7 o0 @/ A, @' U
6 Y8 L; o+ ^; G8 T3 M" z sum dx240
0 q* b6 ^0 ?6 l( Y/ Q+ Z8 e local tempmaxplddy240=r(mean) in 1& V. e/ G# x4 y/ w- p- O! {$ C
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% f9 D! y! A# _: y6 m& m
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gen pmaxplddy240=`tempmaxphddy240' in 1
W# w; y" u. U% t/ s# E. ] " X# l4 S8 w9 l9 W2 D& M
*-------------------------------------) C6 Z+ u9 D! n; v" A' A
# r. y4 J+ n) i# i
gen price5d=v5 in 1/20
S) v k& G. @! }
$ Z9 k6 _# u. g) F; j gen price5yy=_n in 1/20+ R$ f" y* t* f& `0 `5 G
/ x! A3 H* e: W& d gen price5y=price5yy*(dy240max-dy240min)/20
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6 ~% e1 n& s0 l* X* o) E *price5y &price5d
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gen priceny=price5y in 1; y8 T4 F& f% b7 E" R
* J( V6 d4 [( ~) b( p/ A' k gen pricen=v5 in 1, S% M- z7 X$ E8 K& [
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7 }" \- n: B$ }- H w" }+ [" } *priceny &pricen3 X. U5 G- c" r9 D+ C- W1 d7 B
( A$ d8 X' b1 e( a& ]
) Q' \9 R& k& n/ l *-------------------------graph------------------& Y; t& l+ w* {; n" J
7 z( I5 T9 O" ]9 t4 Q# f 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)/ b: C2 \- H0 X$ K* P
& j6 |: F6 t; `- ]" D
* ---------可选项目----------------------
& Q9 ~$ ^% Y" c, n# P' X8 Q*(spike yxis amean,lc(blue))(scatter yxis2 amean, lc(blue) msymbol(+) mlabel(amean))
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; }! o7 l0 X4 l# U, l% Fend
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