Displaying 4 results from an estimated 4 matches for "dif1".
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df1
2010 May 06
1
question about rolling regressions
...o run rolling regressions with it. Any suggestions would be useful.
Here are the details:
(1) I convert relevant variables into time series objects and compute first
differences:
vad <- ts(data$ALLGVA/data$GDPDEF, start=1948, frequency=1)
emp <- ts(data$ALLEMP, start=1948, frequency=1)
vad.dif1 <- diff(vad)
emp.dif1 <- diff(emp)
(2) I make a data set:
d <-
ts.union(emp.chng=emp.dif1,lag.emp.chng=lag(emp.dif1,-1),twolag.emp.chng=lag(emp.dif1,-2),
vad.chng=vad.dif1,lag.vad.chng=lag(vad.dif1,-1),twolag.vad.chng=lag(vad.dif1,-2))
(3) I run regressions:
reg2 <- lm(emp.chng~vad...
2003 Nov 03
0
mva Hclust, heatmap and plotting functions
...to "zoom in" on specific
clusters and plot them, is this possible at all ?
Also
I have a microarray experiment where I'd like to be able to plot
A gene tree against a condition tree using the heatmap function.
for genes according to treatments and viceversa
I.e Treatments being DIF1, DIF2, DIF3
genes being 324c_F, 634_F etc.
393 genes x 3 treatments
name DIF1 DIF2 DIF3
324c_F 4.16E-01 2.65E-01 0.298602679
634_F 8.95E-01 6.67E-01 0.337895962
504c_F 4.54E-01 5.94E-01 1.185792741
1302_F -6.43E-01 -5.39E-01 0.073152009
233c_F 4.20E-01 4.27E-01 0.261216119
1274_F -5.00E...
2007 Jan 08
1
Multivariate OLS
Dear all R users,
Suppose I have a VECTOR of time series y[t] consists of 2000 data point. For example suppose I have data frame which has two columns. First column represents a time series of exchange rate for 2000 days. And the second column represents the price of a commodity for the same period. Now I want to fit a OLS regression like that,
y[t] = a + b*delta[y[t-1]] + c*delta[y[t-2]] +
2010 Jun 14
5
cooked mode sessions
...ed.
--
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/
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