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maodeng 发表于 2013-1-28 13:13 ![]()
, J+ `/ R w8 |7 F0 F D. hello 3002362 ^! K. W$ W, {6 `% V
statement out of context
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5 s4 M' V1 |$ I, y) v6 y1 {$ F抱歉,最近太忙了
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300236 我用下面的程序试过,没问题. w! y! m. D6 u9 g5 U! U0 d- N
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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
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) Z2 O, Z5 }& w) X, oprogram hello( ~4 _, e5 d- q& p' g% X! P8 b: k
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clear
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cd D:\stock\test\source P& d; A {3 e0 p; t9 O2 `, J, L
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insheet using `1'.txt+ O/ s8 W* O* |/ u
: i) P+ j" `, N# A. S4 p keep if v5>0
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gen vt=_n- r4 ^0 V3 R* L! f. Z3 ^/ v' z
$ L w# @4 V. Y( H8 ] tsset vt
& w+ ^4 _! T3 Z% _% \ r
$ k# _ ^& m$ k! H% R gen zf=D1.v5+ x* L4 }. m2 p' Q
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gsort -v1
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j" q0 z4 F/ e1 |8 l- w gen avol=v7/v5
# t# ]+ o- P# H" c5 r
( y1 s. F7 n' P; M2 i keep if avol>0
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% ^ H9 [2 d3 ~) {: E drop vt; e" J$ r. }& D* C; x% k
; p( x& M# g4 t2 I, q8 ~# I* X gen vt=_n
K$ H+ ]4 [6 j& a) B3 q* X) | M o1 k9 b2 u+ I# ?5 ~1 e) \
tsset vt! W1 f) R5 I; u R
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sum v5 [aw =avol]3 i: A [; E7 F! J; X
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gen amean=r(mean) in 1
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( Z3 D7 N4 W+ i8 T1 j. [ * 总加权平均值 amean
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1 q. P" m) C# m9 N keep in 1/2404 c' F7 D; ] R
. d3 n u" Z5 L8 n( f sum v5 [aw =avol]
+ H" T5 p5 P+ F1 c2 k( @% [8 F* i2 x+ U) ~% y
gen mean240=r(mean) in 1# b* t: B& @4 M3 U% j
8 y% p6 O9 ~$ z. ]) d% l' B *240加权平均值 mean240# \6 V y& u- e$ l: Q+ t! ^4 y( E: r
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set obs 500
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; C H$ r9 f0 P* S8 y9 T6 Q7 X& F kdensity v5 [aw =avol],gaussian n(500) generate(dx240 dy240) nograph: Y# \! i0 W7 L& x; R
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*240 kdensity(dx240 dy240)% b) s+ ^/ B+ K+ N' A7 p! a! x
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sum dy2405 R% }7 s t2 P
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gen yxis=r(max) in 1
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# y9 Z: q* M* z1 \ gen yxis2=yxis/2
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*yxis! X4 a5 ~ D2 T0 p$ N
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gen dy240max=r(max)& _% L% C7 ]8 ?5 p6 }
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gen dy240minp=r(min)
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p# O8 L+ K2 V/ v4 _2 m5 l. G2 ~ gen vtt=_n
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& \9 Q4 t# i- d; R! F" g; M tsset vtt. i" V5 j3 H# x R! z
M) p# ~! s1 Z: Q8 z3 }; Y7 w gen ddy240=D1.dy240/D1.dx240* R- s- n& v" l ^& M! k! R
4 x# W( h" } x7 j- M; b sum ddy240
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gen ddy240max=r(max); U$ s* s; ]% x/ ^' _" Y* f
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gen ddy240min=r(min)
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' ?! L7 Y" E4 O/ ]0 k* V5 R gen ddy240g=ddy240*(dy240max-dy240min)/(ddy240max-ddy240min)+ Y% J' ?) ^ v
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sum ddy240g% U% o% [ t! H- ~
) s6 _4 \* C: x! p gen yxis3=r(min) in 1! c" X. r7 f! y6 ~7 t" r
' `9 \, {& A1 `& A gen yxis4=0 in 1. g) n! [% Z J3 T/ D3 b, V
) C# j; c! {! V& f3 a- ]" M; R- ~- V *ddy240g 6 X3 Y5 k# J5 f1 R/ f9 @- @! z
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preserve " k$ ~; r% r% U
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sum v5 [aw =avol]3 J2 `( L6 q$ V. W; r
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keep if dx240<r(mean)! T, L! H6 R9 i( u( L
# \: e. q4 D5 X3 F9 w( b sum ddy240
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g7 m/ a9 s/ @" P if r(min)<0 {+ }2 B8 y8 h1 N! G" q# N& z
- z6 v% U7 |1 {3 j' Y# q
keep if ddy240<=0
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2 z" }1 O) r0 o% B+ ?, i8 I* F% | count
W! w; e: B& A+ M; M) w2 M4 z* s ; C+ |. {: {; y* L. J7 I
if r(N)>2 {8 T( n. l3 K5 W
5 w: ?( `. q$ J pkexamine dx240 dy240
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# g9 m2 _# m0 w local tempminp=r(tomc)
$ @4 C. F( I- g3 Q" A restore : ^$ ^, R$ c+ L, E) M& t
}
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else {6 W4 I1 i8 I& l# d. ^$ n1 l
8 D: V4 n' y* o' f! `+ X di "cannot find minp"
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: h a- H5 V( R6 u. M# v restore + d3 v% y3 @5 p% s3 }/ Q/ G9 P
sum dx2404 x ?+ W( E7 |. g
local tempminp=r(mean)6 I& k! L Y2 V% ~
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}
" c! D$ C# f# @1 o0 _: b8 | else {
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keep if ddy240<=r(min)
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. c+ v+ I' _4 G% r sum dx240
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local tempminp=r(min)
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}
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gen minp=`tempminp' in 1
1 X q" \1 W `( r9 u G *240 minp! A: q( G+ ]+ w# ]
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6 G0 H* e0 F- Q4 o preserve 5 C# Y0 }; P% W: e% u
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sum v5 [aw =avol]1 e6 k" t! }) n9 J
4 Z" y [7 s/ H, J6 i keep if dx240>r(mean)
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. C7 e' p+ t6 V sum ddy240
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+ O, u2 M) r% q. F if r(max)>0 {7 y+ X B/ ~+ g, N0 Z
- ^# [- }: _! n+ Q/ m) W& x. D keep if ddy240>=0
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3 R3 C! m" ~6 G& _/ r- l6 g count' g$ D$ u; \3 O; i: z) ^; Q
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if r(N)>2 {
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pkexamine dx240 dy2409 b9 l' f9 X4 ~* J# w
, E t6 _- }( x$ w/ L local tempmaxp=r(tomc) ' b8 s: [' G3 L& g3 L2 G
restore
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2 W; n" R( B0 F2 `1 m( I# S }. ? else {9 r; p1 d; h) p- v% J" M0 }
restore
6 w/ a$ u2 M7 h) k5 r! ^ di "cannot find maxp"
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7 g+ D1 {+ {+ e2 B: r; W sum dx240& |- i5 i. m, W6 f
local tempmaxp=r(mean)" t5 t2 N( M9 A9 w4 n0 T, a+ D
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else {
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& s8 n$ |5 }4 F. I0 u keep if ddy240>=r(max)8 `, i# b2 r1 j
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sum dx2407 R( P) m/ ~& g
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local tempmaxp=r(max) ; t# B; z, M) u# c b
restore
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4 G# v8 |. U! A9 d5 ]( A5 I; H gen maxp=`tempmaxp' in 1- T8 `( Z3 @7 [ u
% F5 U6 [; M0 U9 l4 e1 p *240maxp. c# G4 Q5 h2 \9 j5 ~7 u
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*-------------ddy240pminp左侧高峰值-----
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! ] S- i. y6 t3 s+ a" N" P* S preserve
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# W$ _. U+ z p' L( y/ ~ keep if dx240<`tempminp'7 ^/ E( P& y7 J: k' l4 ^
, V" S7 P4 Q- V* E keep if ddy240>0
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8 v4 k/ ~" o( Q% r count( D; i. U1 K, D! H# {% v* J
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if r(N)>2 {2 x5 [* d, A6 P1 d& j
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pkexamine dx240 ddy240
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local tempminphddy240=r(tomc) " X* \/ r& S9 W" i
restore* K! k6 h9 a* }5 P
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else {0 K& C. W% j, t' s0 P4 a
restore % t- G% S# o2 |' D/ c; d" K
di "cannot find pminphddy240"7 {( S( o/ F* e
3 a* y4 Z; y( t) L+ k( c8 M l
) f7 d: h) A* ?8 B X# F sum dx240
, k/ s8 F) j2 l, @) R( e local tempminphddy240=r(mean)
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}
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. r/ B$ ?* F: \& c7 T, O' G gen pminphddy240=`tempminphddy240' in 1
% b$ h2 e/ V& k/ m. m. D / i2 n3 C3 z {
z) G% s- s. m7 M6 B *-------------ddy240pminp右侧低峰值 -----------------
2 P6 Q) g | F# \2 _ preserve . e; h) ~ P4 W
# }( e' C) O8 D5 N keep if dx240>`tempminp'* a" D" Y7 V) T
+ @# W1 A* [; k' O+ U keep if dx240<`tempmaxp'9 E. Y7 \2 T$ v9 ^* O; @" }8 e
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keep if ddy240<0
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gen temddy240=-ddy240
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count
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if r(N)>2 {
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# ~$ @- S: l- f) v1 N pkexamine dx240 temddy240
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local tempminplddy240=r(tomc)
# z4 x; K- \" c# I0 d2 y* A restore9 Q: Y# H! w2 E3 t. H" R4 s/ a1 U
}
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else {) b1 Y; m% ]8 Z/ A
6 E) f3 h; T$ C. y* y! `/ U3 ] di "cannot find pminplddy240"
" z1 c8 c) c( w. ^& f! N restore
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[+ M, K' F& M$ e sum dx240
. G* e4 j- \1 V+ l local tempminplddy240=r(mean)# \. b6 F5 U& v6 {
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3 L1 L. C" P9 h3 Z, {
gen pminplddy240=`tempminplddy240' in 19 x) D& q/ n) [& q% T* }
3 [: S6 u# C( Z
*-------------ddy240pmaxp左侧高峰值 -------------------
% a& L+ d' t1 @/ p
; i- @( I6 ?) r8 K X0 a5 h preserve " D5 U0 t2 [1 p; Z9 l! I9 B' R$ [: K
9 {* K: ~& b m2 X
keep if dx240>`tempminp'
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keep if dx240<`tempmaxp'
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keep if ddy240>0
~; U# @2 P+ ?) U. q! G count) A$ L% B8 ^; g# m4 g7 \2 O
0 t) w! m' W. c8 U3 g' N if r(N)>2 {
" t" j& s1 z/ h4 [
k4 r) |7 n8 l( H. _ pkexamine dx240 ddy2402 z8 Q+ w" H. y) M* F
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local tempmaxphddy240=r(tomc)
w! ^8 W- t2 A( l0 Q ) s$ m+ z0 I" Z& b, R) j! ^6 k
restore
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else {3 k; U- |0 u) a( A
, \" p3 p/ i$ u: a' a. `: A di "cannot find pmaxphddy240"
7 p% i( {( f- Y+ [ restore
1 U4 u$ ?0 t7 {, Z" P2 O# S
1 n0 R! d) f$ t1 O) Q! H, [ sum dx240
" k9 b" b, G6 r local tempmaxphddy240=r(mean)
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$ b3 h# H. l# q& Q( o' n- ~
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gen pmaxphddy240=`tempmaxphddy240' in 1
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*-------------ddy240pmaxp右侧低峰值 -------------------
O( W" |/ m+ k% Q/ T
" O' S3 _ A# X" w% u preserve 1 ^7 T( d% {) J3 F' Q% j0 R
# O: [) j3 z6 G+ E keep if dx240>`tempmaxp'
: Q( S5 D# k# q, @2 h , h, X6 J/ F) ]/ r! t3 `9 f0 \
gen temddy240=-ddy2404 }6 `7 h3 d) }# n4 ~1 i+ X) M
+ S' D! S% r( ` keep if temddy240>0% \6 l- w# v c0 z
& C j9 t0 \! j
count
% U% Y' F, T3 x" S8 z
. g! Y, ^& D- s, t if r(N)>2 {
$ e- Q: Q4 l. F0 A ' \& z* b* R. p8 w6 x3 C
pkexamine dx240 temddy2400 b4 s# Z$ h% e" P9 [5 T R: b0 P: j
# g/ g5 ^+ G9 w- E/ r0 ^
local tempmaxplddy240=r(tomc) & Y5 T9 N. k- J$ h: x
restore
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$ v4 e+ M6 f- G% _" `& \ else {
& `$ P) |# ^ C9 H5 ^. q5 |' p f2 u restore$ Y5 z7 d& { w! s, ^0 e2 v( U7 T
di "cannot find pmaxlhddy240"
: ~8 O2 B {0 Y# e 1 @. e+ G2 B! c7 t" F5 n
3 w2 [$ E3 W8 g0 s `
sum dx240" U) t4 @. u% z; }# K
local tempmaxplddy240=r(mean) in 1- _6 m8 U f( u; R4 U n7 A" C+ J, Q
. l+ c" c, x- [. a
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}1 K, e* V8 \+ S0 {2 b9 C7 l
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gen pmaxplddy240=`tempmaxphddy240' in 1
8 U1 J$ T H, |3 b7 \3 S3 g
# b1 P0 Z0 B7 s4 e: ]/ ^4 U *-------------------------------------& @) W: U- R% I3 G2 e
5 X# m, {* \1 z5 T gen price5d=v5 in 1/20
" C/ s* w1 m. Y z/ ?; M% H
' J$ k/ \0 O1 C. ?; ]0 E4 `1 L& x gen price5yy=_n in 1/206 z, Q2 E% b7 O
' q: C, E$ k l' V9 ^ gen price5y=price5yy*(dy240max-dy240min)/20) C# c' w% b. ]* u) m% P" T; ?
1 P- q# j& v2 o" O/ Z0 s
*price5y &price5d) r* b. m1 P! X1 `# v8 h2 l
) Y0 ]- E+ {1 d2 |; P! b! r4 W) m gen priceny=price5y in 1, Z' f% s" i) T& M5 w. d4 |
* v+ G% [' S$ N! l/ F gen pricen=v5 in 1
7 K! |# K( o/ n5 W# d6 j/ T4 r9 L; F
6 N2 z# W% C: F' C9 j D *priceny &pricen: v( G; x p; O3 l8 m! f
$ |% Q+ F* y$ P/ a
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*-------------------------graph------------------
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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)
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* ---------可选项目----------------------
% c: `0 w( r) K: p" \, Z }*(spike yxis amean,lc(blue))(scatter yxis2 amean, lc(blue) msymbol(+) mlabel(amean))
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8 z) ?: a2 ]# Hend
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