bug fixes, restructure, user module parsing
This commit is contained in:
@@ -0,0 +1,35 @@
|
||||
FUNCTION covariance (x , y ) {
|
||||
xmean := avg (x) ;
|
||||
ymean := avg (y) ;
|
||||
avg (( x - xmean ) * (y - ymean ))
|
||||
}
|
||||
|
||||
|
||||
FUNCTION sd ( x) {
|
||||
sqrt ( covariance (x , x) )
|
||||
}
|
||||
|
||||
AGGREGATION FUNCTION covariances(x, y, w){
|
||||
static xmeans := 0, ymeans := 0, cnt := 0;
|
||||
if (cnt < w) { xmeans += x; }
|
||||
else {
|
||||
xmeans += (x - x.vec[cnt - w]) / w;
|
||||
ymeans += (y - y.vec[cnt - w]) / w;
|
||||
}
|
||||
avg (( x.vec(x.len-w, x.len) - xmean ) * (y.vec(y.len - w, y.len) - ymean ))
|
||||
}
|
||||
|
||||
FUNCTION pairCorr (x , y ) {
|
||||
covariance (x , y ) / ( sd (x) * sd (y ))
|
||||
}
|
||||
|
||||
CREATE TABLE test1(a INT, b INT, c INT, d INT)
|
||||
|
||||
LOAD DATA INFILE "test.csv"
|
||||
INTO TABLE test1
|
||||
FIELDS TERMINATED BY ","
|
||||
|
||||
SELECT pairCorr(c, b) * d, sum(a), b
|
||||
FROM test1
|
||||
group by c,b,d
|
||||
order by b ASC
|
||||
@@ -0,0 +1,34 @@
|
||||
FUNCTION covariance (x , y ) {
|
||||
xmean := avg (x) ;
|
||||
ymean := avg (y) ;
|
||||
avg (( x - xmean ) * (y - ymean ))
|
||||
}
|
||||
|
||||
FUNCTION sd ( x) {
|
||||
sqrt ( covariance (x , x) )
|
||||
}
|
||||
|
||||
FUNCTION pairCorr (x , y ) {
|
||||
covariance (x , y ) / ( sd (x) * sd (y ))
|
||||
}
|
||||
|
||||
-- FUNCTION covariances (w, x , y ) {
|
||||
-- xmean := avgs (w, x) ;
|
||||
-- ymean := avgs (y) ;
|
||||
-- avg (( x - xmean ) * (y - ymean ))
|
||||
-- }
|
||||
|
||||
CREATE TABLE tt(a INT, b INT, c INT, d INT)
|
||||
|
||||
LOAD DATA INFILE "test.csv"
|
||||
INTO TABLE tt
|
||||
FIELDS TERMINATED BY ","
|
||||
|
||||
CREATE TABLE sale(Mont INT, sales INT)
|
||||
|
||||
LOAD DATA INFILE "moving_avg.csv"
|
||||
INTO TABLE sale
|
||||
FIELDS TERMINATED BY ","
|
||||
|
||||
select sd(a) + sales from tt, sale where tt.a = sale.Mont
|
||||
|
||||
@@ -0,0 +1,5 @@
|
||||
LOAD MODULE FROM "test.so"
|
||||
FUNCTIONS (
|
||||
div(a:int, b:int) -> double,
|
||||
mulvec(a:int, b:vecfloat) -> vecfloat
|
||||
);
|
||||
@@ -0,0 +1,14 @@
|
||||
CREATE TABLE sale(Mont INT, sales INT)
|
||||
|
||||
LOAD DATA INFILE "moving_avg.csv"
|
||||
INTO TABLE sale
|
||||
FIELDS TERMINATED BY ","
|
||||
|
||||
SELECT Mont,avgs(3,sales)
|
||||
FROM sale
|
||||
ASSUMING ASC Mont
|
||||
INTO OUTFILE "moving_avg_output.csv"
|
||||
FIELDS TERMINATED BY ";"
|
||||
|
||||
select Mont, mins(2,sales) from sale assuming desc Mont group by Mont
|
||||
into outfile "flatten.csv"
|
||||
+112
@@ -0,0 +1,112 @@
|
||||
FUNCTION
|
||||
execStrategy ( alloc , mavgday , mavgmonth , px ) {
|
||||
buySignal := mavgday > mavgmonth ;
|
||||
f := a + b ;
|
||||
alloc * prd (
|
||||
CASE maxs ( buySignal )
|
||||
WHEN TRUE THEN
|
||||
CASE buySignal
|
||||
WHEN TRUE THEN 1 / px
|
||||
ELSE px
|
||||
END
|
||||
ELSE 1
|
||||
END )
|
||||
}
|
||||
FUNCTION covariance (x , y ) {
|
||||
xmean := avg (x) ;
|
||||
ymean := avg (y) ;
|
||||
avg (( x - xmean ) * (y - ymean ))
|
||||
}
|
||||
FUNCTION sd ( x) {
|
||||
sqrt ( covariance (x , x) )
|
||||
}
|
||||
FUNCTION pairCorr (x , y ) {
|
||||
covariance (x , y ) / ( sd (x) * sd (y ))
|
||||
}
|
||||
<k>
|
||||
`
|
||||
p:5
|
||||
q:2
|
||||
phi:(p+1)?1.
|
||||
theta:q?1.
|
||||
"p q phi theta"
|
||||
p
|
||||
q
|
||||
phi
|
||||
theta
|
||||
l:()
|
||||
e:()
|
||||
|
||||
`
|
||||
L1:10?20
|
||||
Le1:10?2.
|
||||
L2:3?20
|
||||
Le2:3?2.
|
||||
"L1 Le1 L2 Le2"
|
||||
L1
|
||||
Le1
|
||||
L2
|
||||
Le2
|
||||
|
||||
`
|
||||
"Add L1, then predict"
|
||||
l:l,L1
|
||||
e:e,Le1
|
||||
predict:(phi(0)) + (sum ({[x](phi(x+1)) * (l(((#l)-1)-x))}[!p])) - (sum ({[x](theta(x)) * (e(((#e)-1)-x))}[!q]))
|
||||
predict
|
||||
|
||||
`
|
||||
"Add L2, then predict"
|
||||
l:l,L2
|
||||
e:e,Le2
|
||||
predict:(phi(0)) + (sum ({[x](phi(x+1)) * (l(((#l)-1)-x))}[!p])) - (sum ({[x](theta(x)) * (e(((#e)-1)-x))}[!q]))
|
||||
predict
|
||||
|
||||
</k>
|
||||
|
||||
WITH
|
||||
Target (Id , TradeDate , ClosePrice ) AS
|
||||
( SELECT
|
||||
Id , TradeDate , ClosePrice
|
||||
FROM price
|
||||
WHERE Id IN stock10 AND
|
||||
TradeDate >= startYear10 AND
|
||||
TradeDate <= startYear10 + 365 * 10),
|
||||
weekly (Id , bucket , name , low , high , mean ) AS
|
||||
( SELECT
|
||||
Id ,
|
||||
timeBucket ,
|
||||
" weekly " ,
|
||||
min ( ClosePrice ) ,
|
||||
max ( ClosePrice ) ,
|
||||
avg ( ClosePrice )
|
||||
FROM Target
|
||||
GROUP BY Id , getWeek ( TradeDate ) as
|
||||
timeBucket ),
|
||||
monthly ( Id , bucket , name , low , high , mean ) AS
|
||||
( SELECT
|
||||
Id ,
|
||||
timeBucket ,
|
||||
" monthly " ,
|
||||
min ( ClosePrice ) ,
|
||||
max ( ClosePrice ) ,
|
||||
avg ( ClosePrice )
|
||||
FROM Target
|
||||
GROUP BY Id , getMonth ( TradeDate ) as
|
||||
timeBucket ),
|
||||
yearly (Id , bucket , name , low , high , mean ) AS
|
||||
( SELECT
|
||||
Id ,
|
||||
timeBucket ,
|
||||
" yearly " ,
|
||||
min ( ClosePrice ) ,
|
||||
max ( ClosePrice ) ,
|
||||
avg ( ClosePrice )
|
||||
FROM Target
|
||||
GROUP BY Id , getYear ( TradeDate ) as
|
||||
timeBucket )
|
||||
SELECT
|
||||
Id , bucket , name , low , high , mean
|
||||
FROM
|
||||
CONCATENATE ( weekly , monthly , yearly )
|
||||
ASSUMING ASC Id , ASC name , ASC bucket
|
||||
@@ -0,0 +1,10 @@
|
||||
CREATE TABLE testq1(a INT, b INT, c INT, d INT)
|
||||
|
||||
LOAD DATA INFILE "test.csv"
|
||||
INTO TABLE testq1
|
||||
FIELDS TERMINATED BY ","
|
||||
|
||||
SELECT sum(c), b, d
|
||||
FROM testq1
|
||||
group by a,b,d
|
||||
order by d DESC, b ASC
|
||||
@@ -0,0 +1,32 @@
|
||||
CREATE TABLE stocks(timestamp INT, price INT)
|
||||
|
||||
INSERT INTO stocks VALUES(1,15)
|
||||
INSERT INTO stocks VALUES(2,19)
|
||||
INSERT INTO stocks VALUES(3,16)
|
||||
INSERT INTO stocks VALUES(4,17)
|
||||
INSERT INTO stocks VALUES(5,15)
|
||||
INSERT INTO stocks VALUES(6,13)
|
||||
INSERT INTO stocks VALUES(7,5)
|
||||
INSERT INTO stocks VALUES(8,8)
|
||||
INSERT INTO stocks VALUES(9,7)
|
||||
INSERT INTO stocks VALUES(10,13)
|
||||
INSERT INTO stocks VALUES(11,11)
|
||||
INSERT INTO stocks VALUES(12,14)
|
||||
INSERT INTO stocks VALUES(13,10)
|
||||
INSERT INTO stocks VALUES(14,5)
|
||||
INSERT INTO stocks VALUES(15,2)
|
||||
INSERT INTO stocks VALUES(16,5)
|
||||
|
||||
/*<k> "q1" </k>*/
|
||||
-- SELECT max(price-min(timestamp)) FROM stocks
|
||||
|
||||
/*<k> "q2" </k>*/
|
||||
-- SELECT max(price-mins(price)) FROM stocks
|
||||
|
||||
/*<k> "q3"</k>*/
|
||||
SELECT price, timestamp FROM stocks where price - timestamp > 1 and not (price*timestamp<100)
|
||||
|
||||
/*<k> "q4"</k>*/
|
||||
-- SELECT max(price-mins(price))
|
||||
-- FROM stocks
|
||||
-- ASSUMING DESC timestamp
|
||||
@@ -0,0 +1,7 @@
|
||||
CREATE TABLE types_test(names varchar(10), val real, id int)
|
||||
|
||||
LOAD DATA INFILE "datatypes.csv"
|
||||
INTO TABLE types_test
|
||||
FIELDS TERMINATED BY ","
|
||||
|
||||
select names, val * 10000 + id from types_test
|
||||
@@ -0,0 +1,14 @@
|
||||
AGGREGATION FUNCTION covariances(x, y, w){
|
||||
static xmeans := 0., ymeans := 0., cnt := 0;
|
||||
if (cnt < w)
|
||||
{
|
||||
xmeans += x;
|
||||
ymeans += y;
|
||||
cnt+=1;
|
||||
}
|
||||
else {
|
||||
xmeans += (x - x.vec[cnt - w]) / w;
|
||||
ymeans += (y - y.vec[cnt - w]) / w;
|
||||
}
|
||||
avg (( x.vec(x.len-w, x.len) - xmeans ) * (y.vec(y.len - w, y.len) - ymeans ))
|
||||
}
|
||||
@@ -0,0 +1,39 @@
|
||||
|
||||
|
||||
AGGREGATION FUNCTION covariances2(x, y, w){
|
||||
xmeans := 0.;
|
||||
ymeans := 0.;
|
||||
l := _builtin_len;
|
||||
|
||||
if (l > 0)
|
||||
{
|
||||
xmeans := x[0];
|
||||
ymeans := y[0];
|
||||
_builtin_ret[0] := 0.;
|
||||
}
|
||||
if (w > l)
|
||||
w := l;
|
||||
for (i := 1, j:= 0; i < w; i := i+1) {
|
||||
xmeans += x[i];
|
||||
ymeans += y[i];
|
||||
_builtin_ret[i] := avg (( x(0, i) - xmeans/i ) * (y(0, i) - ymeans/i ));
|
||||
}
|
||||
xmeans /= w;
|
||||
ymeans /= w;
|
||||
for (i := w; i < l; i += 1)
|
||||
{
|
||||
xmeans += (x[i] - x[i - w]) / w;
|
||||
ymeans += (y[i] - y[i - w]) / w;
|
||||
_builtin_ret[i] := avg (( x(i-w, i) - xmeans ) * (y(i - w, i) - ymeans ));
|
||||
}
|
||||
Null
|
||||
}
|
||||
|
||||
CREATE TABLE test(a INT, b INT, c INT, d INT)
|
||||
|
||||
LOAD DATA INFILE "test2.csv"
|
||||
INTO TABLE test
|
||||
FIELDS TERMINATED BY ","
|
||||
|
||||
select covariances2(a, b, 4), a+b from test group by c;
|
||||
|
||||
@@ -0,0 +1,32 @@
|
||||
AGGREGATION FUNCTION covariances2(x, y, w){
|
||||
xmeans := 0.;
|
||||
ymeans := 0.;
|
||||
l := _builtin_len;
|
||||
if (w > l)
|
||||
w := l;
|
||||
elif (w > l + 2)
|
||||
{
|
||||
l := 3;
|
||||
w := 4;
|
||||
}
|
||||
elif(w < 99){
|
||||
l := 8;
|
||||
}
|
||||
elif(w<999)
|
||||
w := 6;
|
||||
else
|
||||
l := l / 2;
|
||||
|
||||
for (i := 0, j:= 0; i < w; i := i+1) {
|
||||
xmeans += x[i];
|
||||
ymeans += y[i];
|
||||
_builtin_ret[i] := avg (( x(l-w, l) - xmeans ) * (y(l - w, l) - ymeans ));
|
||||
}
|
||||
for (i := 0; i < l; i += 1)
|
||||
{
|
||||
xmeans += (x[i] - x[i - w]) / w;
|
||||
ymeans += (y[i] - y[i - w]) / w;
|
||||
_builtin_ret[i] := avg (( x(l-w, l) - xmeans ) * (y(l - w, l) - ymeans ));
|
||||
}
|
||||
Null
|
||||
}
|
||||
Reference in New Issue
Block a user