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maodeng 发表于 2013-1-28 13:13 ' ~# v: }9 u! K5 @6 c! }7 `6 X9 @3 [
. hello 300236
' ~% U2 n, {! a9 i% Kstatement out of context
0 }5 C, {9 ^8 Er(119); ( E8 x* s, T) w# b5 V; F
抱歉,最近太忙了0 R0 `: F9 ^! `) c0 |* ?2 u
' d i+ L1 U) `+ I1 n300236 我用下面的程序试过,没问题7 T: ?" I, K& f7 s- `4 q9 i/ r
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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+ @" x& V" d U: w2 w
* v1 d2 A: s. _% \( Y! _- c2 Zcapture program drop hello
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program hello
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clear* W/ n. f! y0 `" L( }5 Y3 e6 f, r
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cd D:\stock\test\source
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insheet using `1'.txt0 ]: L0 h$ G H0 U
" P1 m+ L; t5 ]. Z' ]( Y0 H* q keep if v5>0
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gen vt=_n
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2 ~0 o5 J R W, H8 k% o tsset vt# R% z6 H3 o+ ?( z& d' {
0 o9 b+ B( y# s/ d gen zf=D1.v50 f6 r: {+ J1 }8 T$ ]. T& x9 p6 s
j7 r4 F. Y; V I8 \, v u gsort -v1
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gen avol=v7/v5
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$ M' n$ A& @' P, z* _ keep if avol>0
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drop vt
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& m* G' R [, n gen vt=_n
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0 T$ U* C+ W& ]6 ^3 ` tsset vt& B0 [9 l3 K* [
B: _( p8 g9 C6 m' w sum v5 [aw =avol]
+ ]/ X$ b" C3 o4 @9 l) f
7 r& u; }0 ^4 |) A9 U: { gen amean=r(mean) in 1. d$ l5 r& G+ c8 {5 I( i, Y, i3 f
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* 总加权平均值 amean4 }2 P4 z( w( j V
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keep in 1/2409 ]0 q4 Z2 H2 ?; p8 N! L
* l* p. Z2 I& y. N sum v5 [aw =avol]
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gen mean240=r(mean) in 1
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*240加权平均值 mean240
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4 C: c( N* g/ E set obs 500
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. Z) I1 b. W' D0 s2 r/ p kdensity v5 [aw =avol],gaussian n(500) generate(dx240 dy240) nograph
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*240 kdensity(dx240 dy240)2 c. O M" j; k& _. G8 h' s
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sum dy240
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7 R4 C/ ^& I) F/ k7 @ gen yxis=r(max) in 1
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gen yxis2=yxis/2
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*yxis' B* K+ Y) Y9 U* q
j6 S. {+ g" Q8 V7 R5 J7 q gen dy240max=r(max)
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gen dy240minp=r(min)+ G4 {5 G1 d: l( O$ J4 B
r1 ~. a0 X' ^ gen vtt=_n
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3 x3 I* U1 p: `5 W" f tsset vtt
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* y2 h, z4 s2 s/ g1 Y" l9 q gen ddy240=D1.dy240/D1.dx240
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sum ddy240
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! ~2 y2 u- v6 G7 @$ C' h7 G: M gen ddy240max=r(max)$ P; I' s7 d+ B( v
( F8 H1 h7 c; `. ? F gen ddy240min=r(min)
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& i% p N0 |0 L: C0 B gen ddy240g=ddy240*(dy240max-dy240min)/(ddy240max-ddy240min)
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9 r- A( O/ I( q8 h7 }0 s sum ddy240g" C$ w. `1 k, z7 s# z! ~$ p
7 ?) B& c* P7 }2 n' j" E& q" Y gen yxis3=r(min) in 1
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gen yxis4=0 in 1
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*ddy240g 7 `% y, Z) M, z. c# r4 e
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. \" m9 j6 p1 \8 |& X+ j preserve
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sum v5 [aw =avol]6 [+ R7 V! g7 d' j; x" g
( [5 `, z* s9 e/ a F keep if dx240<r(mean)
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sum ddy240
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if r(min)<0 {
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# x) i; A& j* ~ keep if ddy240<=0. l/ F5 B6 N- P0 P% i/ P! D+ @
, g; Q1 @9 N3 `3 A' O/ [/ ^ count
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if r(N)>2 {& f( @+ G( s9 y4 }5 H
Q. R/ i( L1 X7 a* J3 s% U. A pkexamine dx240 dy240. U# M( H3 Z$ d3 x, n3 E. F
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local tempminp=r(tomc)
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else {) {7 a: X0 P$ D! i# Z- A
* E3 b- q7 i8 u8 q& Z" E0 i) G+ D: | di "cannot find minp"# Z1 z; ]: A" I* r% @$ u& e# O6 {
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sum dx240
4 A/ }& t8 Z) {) T& C& G, ]* a local tempminp=r(mean)
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}
# z. F' y: E* R. y& ` else {8 K7 c/ w8 k; u# u+ F
) L- Y7 [3 G+ k8 N6 v keep if ddy240<=r(min)2 @7 j" z* ]0 `6 I
2 D1 I- q/ \/ ?% V; ?# J- l sum dx240
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local tempminp=r(min) \$ I/ l- G& w P0 @
restore 6 Y$ \5 y9 Y0 e ~, i
}
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gen minp=`tempminp' in 1
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8 Y3 c" ?% g" G- E+ x; b preserve ( O, w9 p0 F" \( [
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sum v5 [aw =avol], z& m3 u4 I6 y5 a
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keep if dx240>r(mean)
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+ T2 [" ~ `/ } sum ddy240) ^# X2 ^1 l. a8 Z
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if r(max)>0 {1 L0 l5 J/ e3 G
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keep if ddy240>=0+ J& d3 j" R/ }
$ k6 w8 w/ P) } Z% B0 x8 l count
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, W7 y! `; l8 n7 D if r(N)>2 {/ L- Q& J' D7 W% E& c7 A
8 R0 A. d. ?$ F( i% s3 A* W; a- _' | pkexamine dx240 dy240
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4 A( M, X% Q$ K5 M local tempmaxp=r(tomc) ' g& h5 t4 {4 x; g: ^
restore
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else {8 u0 {* \5 A3 C4 q+ h( Q: j) T# ]
restore
- p! T C1 O8 D: _+ O di "cannot find maxp": P# r8 k3 j8 t5 M, X# }
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1 C8 T/ o" t" y, @ sum dx240" J2 K* f) J# X7 e
local tempmaxp=r(mean)
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else {+ d; L3 E' u$ Z+ N- j- m
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keep if ddy240>=r(max)
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sum dx240
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local tempmaxp=r(max) " A0 y: u( s9 b8 `
restore
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gen maxp=`tempmaxp' in 14 E, A) s1 n9 U
9 {# w8 ]! s8 y1 I. d+ W! R *240maxp( F6 m9 A/ j! U- g. a: m( s+ T
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" E4 D5 u3 K3 K- K *-------------ddy240pminp左侧高峰值-----2 b! l1 ?' c) \ M# n
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preserve 3 T2 o7 s/ ^ [8 L' ]
T% P$ ^ v* ]: {1 _ keep if dx240<`tempminp'* ?1 |5 h7 w0 f R: X: L% \
& W" m2 @7 Y8 w% ^5 O* I keep if ddy240>0
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' F* {7 l: G( S. R count
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% m( W9 [8 @3 E' M3 X6 O5 E if r(N)>2 {
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. B0 X3 a- ?* B3 b. i; z pkexamine dx240 ddy240
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( v# p& e2 i. M7 p local tempminphddy240=r(tomc)
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}
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else {
' q/ i- P: [( i, `- L8 ] restore
3 ~- v0 R: ?, _# Z$ V# X di "cannot find pminphddy240"
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1 [+ y% U2 Z) Y, s
* L3 c' v4 f0 @) W& p sum dx240
4 U8 a% V' j# Y) ? local tempminphddy240=r(mean) 1 [" O3 z" Y3 J; z
+ x2 Y0 X1 P$ b
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}
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0 j8 c# b: E* v+ W( B gen pminphddy240=`tempminphddy240' in 1
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3 }! h5 e7 k* y @
1 k+ w. A- D& P9 ^2 o; U/ J *-------------ddy240pminp右侧低峰值 -----------------
' Q3 D9 ^9 p) g6 ^ preserve
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+ k" h# M8 d" h ] keep if dx240>`tempminp'
. [$ ]7 x* `4 ~4 F4 x9 x$ [5 m- L % a" E+ Y: O) e5 i! |. R' f
keep if dx240<`tempmaxp'# S2 U7 e) y$ |9 O" V1 e$ Q( S
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keep if ddy240<0
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! i0 b, `7 C0 m5 D gen temddy240=-ddy240
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9 F9 @0 b4 d; {% V& T b3 N9 Z6 I count
$ }8 C/ d! M% ?/ H
: a! b7 N" F6 q+ T/ D l if r(N)>2 {
) {# p+ l0 }5 K* v( M# m* ` ; m# S# ^( }8 D( H- s
pkexamine dx240 temddy240
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local tempminplddy240=r(tomc)
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, M( i, }+ X. b+ x( B" f else {; [) {) i# R. s4 a" r/ w
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di "cannot find pminplddy240"5 I* F9 E7 E) y0 i5 K8 ^1 |
restore: z& \1 ~) p" T# [1 [
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sum dx2403 ^- I5 q6 M' y$ I6 I; o2 s
local tempminplddy240=r(mean)$ x: `- f" \) m% ]
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8 V: x2 L* u2 [5 t" n& d gen pminplddy240=`tempminplddy240' in 1
5 X3 J1 X8 y+ P5 Y! Q! r+ Z
- S. t" j# u1 M# M: n *-------------ddy240pmaxp左侧高峰值 -------------------# w7 l+ P9 m; E7 `' B( P+ L W/ ?& |
! z* ?9 E/ m. D preserve
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- ?! V+ @; k3 p- H" Z keep if dx240>`tempminp'
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keep if dx240<`tempmaxp'0 |% S" t/ L! o2 P( _
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keep if ddy240>0/ ~# T+ z7 |8 T d
count
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if r(N)>2 {5 j+ q& Z' U% Y, k- ^
3 v% e. ]# ~! i7 O pkexamine dx240 ddy2404 Z# L4 ]' u+ ?; h
5 }& N8 w- x( `( n/ {2 z) s local tempmaxphddy240=r(tomc)
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restore( D6 X+ b# P( \
}
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else {
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di "cannot find pmaxphddy240"$ I: O. P# Y+ M8 @
restore
7 ]/ W7 j& ]/ x% ~. V. d
2 ]# ~4 o8 s0 F8 W+ F" D. Y sum dx240 u2 W2 u+ V2 J6 U$ k8 c
local tempmaxphddy240=r(mean) - d& A- x: E; i1 E! c2 j- n$ ^) e
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gen pmaxphddy240=`tempmaxphddy240' in 1
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5 Z# n$ K8 c2 u* o *-------------ddy240pmaxp右侧低峰值 -------------------, }& W! ?6 a" z
( K2 F9 H: r+ o h6 l2 t( V3 [' P preserve
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. ~% q- V4 F, z3 M7 O- _ keep if dx240>`tempmaxp'0 L5 {8 x3 |: m! C# Z) d
% @- C+ X- a9 Y: G) a1 X# R0 J gen temddy240=-ddy240
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keep if temddy240>0+ @3 K3 }# _9 j5 ^
: |& x. |% B- l. r* j/ J, D+ a count
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if r(N)>2 {, j! U0 p# c+ C$ v3 N- ^
5 ^8 w0 e* W. q, {( [- [
pkexamine dx240 temddy240
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' }8 I. I+ h+ {2 z% C local tempmaxplddy240=r(tomc)
6 t1 w' E$ n k. J- g3 s4 D( } restore
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else {
5 r( ?" g3 u% ]2 S9 B/ W6 w: S E8 s restore0 r5 [" a; Y5 W
di "cannot find pmaxlhddy240"
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sum dx240
" J8 z7 i9 j9 v) O& b3 X* Z- l local tempmaxplddy240=r(mean) in 1
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3 i; R) p& ]6 W- ~# J }
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gen pmaxplddy240=`tempmaxphddy240' in 1; G+ z' i7 ~, L" n1 W" I
4 Y: H( U4 c2 {2 k/ Y1 z' T% N- A *-------------------------------------! f% f2 @" J9 C: B& B
7 }5 @( x. G9 f" U- ^0 F% P; x" P" X
gen price5d=v5 in 1/203 [: ~$ q: E, b; e# ] m
* v1 ~& a1 d$ P* ^2 }' d5 I gen price5yy=_n in 1/20. E' i5 o+ k3 K
$ {' F' {& O x3 u( G& o2 S8 ?+ E7 H! j gen price5y=price5yy*(dy240max-dy240min)/20! S" k6 d5 M+ p9 T
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*price5y &price5d
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: Q: j& b0 u% E: C gen priceny=price5y in 1
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$ n8 T: j! m: w2 e2 E1 b1 X Y2 f gen pricen=v5 in 19 j4 |" H8 G% g& g, f8 ?
% I: {+ U! T4 \6 p
$ V6 ^6 B9 V0 D *priceny &pricen3 B5 [& N0 z# O0 d) J, Y: Q1 ]
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4 v6 [0 \3 M: c* q. a y0 L6 ? *-------------------------graph------------------: s, u8 ^/ y& B2 v! l
* }, H4 | B8 I* F' E 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)
! |! H& H5 {8 _
& ?, X f; C/ V* ---------可选项目----------------------8 }6 R% O |9 K' k
*(spike yxis amean,lc(blue))(scatter yxis2 amean, lc(blue) msymbol(+) mlabel(amean)); c- t& j# y& h# v
}
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