[R] Quartering a plot() ?

2010-04-06 Thread Wells Oliver
Sorry if my terminology is all out of sorts here, but I'm curious about a
simple matter: I have a plot, and within it a box defined by lines, like so:

plot(c(), xlim=c(-1.5,1.5), ylim=c(0,5))
lines(c(1,1,-1,-1,1),c(1.5,3.5,3.5,1.5,1.5), col=c(red))

I'd like to easily chop the box drawn by lines into an even 3x3 grid- is
this possible easily?

Thanks!

-- 
Wells Oliver
we...@submute.net

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[R] Drawing an axis with a subset of the data

2009-12-13 Thread Wells Oliver
I have a vector of dates:

 data$date
 [1] 2009-04-06 CDT 2009-04-07 CDT 2009-04-08 CDT 2009-04-09 CDT
2009-04-10 CDT 2009-04-11 CDT 2009-04-12 CDT 2009-04-14 CDT
 [9] 2009-04-15 CDT 2009-04-16 CDT 2009-04-17 CDT 2009-04-18 CDT
2009-04-19 CDT 2009-04-21 CDT 2009-04-22 CDT 2009-04-23 CDT
[17] 2009-04-24 CDT 2009-04-25 CDT 2009-04-26 CDT 2009-04-27 CDT
2009-04-28 CDT 2009-04-29 CDT 2009-05-01 CDT 2009-05-02 CDT
[25] 2009-05-03 CDT 2009-05-04 CDT 2009-05-05 CDT 2009-05-06 CDT
2009-05-07 CDT 2009-05-08 CDT 2009-05-09 CDT 2009-05-10 CDT
[33] 2009-05-12 CDT 2009-05-13 CDT 2009-05-14 CDT 2009-05-15 CDT
2009-05-16 CDT 2009-05-17 CDT 2009-05-18 CDT 2009-05-19 CDT
[41] 2009-05-20 CDT 2009-05-21 CDT 2009-05-22 CDT 2009-05-23 CDT
2009-05-24 CDT 2009-05-25 CDT 2009-05-26 CDT 2009-05-27 CDT
[49] 2009-05-29 CDT 2009-05-30 CDT 2009-05-31 CDT 2009-06-01 CDT
2009-06-02 CDT 2009-06-03 CDT 2009-06-05 CDT 2009-06-06 CDT
[57] 2009-06-07 CDT 2009-06-09 CDT 2009-06-10 CDT 2009-06-11 CDT
2009-06-12 CDT 2009-06-13 CDT 2009-06-14 CDT

I'd like to make a subset of this data as the x axis for a graph, using 10,
so the first would be the first date, the final would be the final date, and
the 8 in between would be spread equally through the set.

Currently I have this:

plot(data$date, data$DIFF, xaxt='n', xlab='', type='l', yaxt='n', ylab='',
bg='white', tck=-0.025, main='', col='blue')
axis(1, at=unique(data$date), labels=unique(data$date), lwd=.25, tck=-0.025)

Which renders all 63 dates, which of course is far too cluttered. Any idea
how I can easily reduce this to a subset of 10?


-- 
Wells Oliver
we...@submute.net

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[R] Formatting the length one vector to match another?

2009-12-08 Thread Wells Oliver
I have xrange which is a range of values from 1 to a max of 162.

I have a yrange of values which really could be any values, but there's a
min and a max. I'd like to create N number of steps between the min and the
max so the length matches the xrange, so that I can plot them together.

Any tips? Thank you!

-- 
Wells Oliver
we...@submute.net

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[R] Formatting of numbers on y axis

2009-12-03 Thread Wells Oliver
Hello all. I have the following:

plot(salaries$yearID, salaries$salary, type='n', xaxt='n', xlab='',
yaxt='n', ylab='')
axis(1, at=unique(salaries$yearID), labels=unique(salaries$yearID), lwd=.25,
tck=-0.05)
axis(2, axTicks(2), format(axTicks(2), scientific = F))

Which nicely creates the Y axis with the raw numbers, which are in the range
of .5 - 7 million.

However, it displays them as 100, and so on- I'd like it to show just
whole numbers 1, 2, 3, through 7, so I can label the Y axis in millions.
Any tips?

Thanks!

-- 
Wells Oliver
we...@submute.net

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[R] par() background issue

2009-12-03 Thread Wells Oliver
I have the following:

par(bg='#CC', family='Lucida Grande')
plot(salaries$yearID, salaries$salary/100)

Which creates a graph with the correct offwhite/yellow background. However,
I want the actual plot box to have a white background.

par(bg='#CC', family='Lucida Grande')
plot(salaries$yearID, salaries$salary/100, bg='#FF')

But that does nothing. How can I accomplish this? Thanks!

-- 
Wells Oliver
we...@submute.net

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[R] Stacked bar chart help.

2009-12-02 Thread Wells Oliver
Can't figure this out. I have the following list of salary averages per
year, per position. The dput output is:

 dput(salaries)
structure(list(yearID = c(2009, 2009, 2009, 2009, 2009, 2009,
2009, 2009, 2009, 2008, 2008, 2008, 2008, 2008, 2008, 2008, 2008,
2008), AVG = c(8956855.61, 7886684.166126, 7534048.43102, 7406439.339471,
7219148.437934, 6697734.908336, 6400379.88398, 3765720.093796,
3630731.367928, 9022895.226432, 8441165.305623, 8102876.628756,
7797941.00885, 7407822.844814, 7293419.165284, 6429637.71541,
4946563.641848, 4233392.0256), POS = c(RF, 3B, LF, DH,
1B, SS, CF, 2B, C, DH, RF, 3B, 1B, SS, CF,
LF, C, 2B)), .Names = c(yearID, AVG, POS), row.names = c(1,
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18), class = data.frame)

I am trying to render a stacked bar chart, on the X axis the list of unique
positions, on the Y axis the range of min to max salary. The stacked charts
would show the averages per year, with a color unique to each year.'

Trying something like:

barplot(t(salaries), main='Position', ylab='Y',
col=heat.colors(2), space=0.1, cex.axis=0.8, las=1,
names.arg=salaries$POS, cex=0.8
)

Corollary: what's the easiest way to format currency in R? e..g make the Y
axis read $55,008.00 instead of 55008.00.

Any tips? Thanks!

-- 
Wells Oliver
we...@submute.net

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[R] Beginner Q- dates in the xrange?

2009-09-16 Thread Wells Oliver
Hi all- terribly beginner question here, but I can't figure out how to put
dates as the values for my x range in a plot. Example:
xrange - results$current
yrange - results$DIFF

plot(xrange, yrange, type=n, xlab=Date, ylab=Differential)
lines(results$DIFF, type=l, lwd=1.5, col=red)

Where xrange is:

 xrange
 [1] 2010-04-12 2010-04-14 2010-04-15 2010-04-16 2010-04-17
2010-04-18 2010-04-19 2010-04-20 2010-04-21 2010-04-23
2010-04-24 2010-04-25
[13] 2010-04-27 2010-04-28 2010-04-29 2010-04-30 2010-05-01
2010-05-02 2010-05-03 2010-05-04 2010-05-05 2010-05-06
2010-05-07 2010-05-08
[25] 2010-05-09 2010-05-10 2010-05-11 2010-05-12 2010-05-13
2010-05-14 2010-05-15 2010-05-16 2010-05-18 2010-05-19
2010-05-20 2010-05-21
[37] 2010-05-22 2010-05-23 2010-05-25 2010-05-26 2010-05-27
2010-05-28 2010-05-29 2010-05-30 2010-05-31 2010-06-01
2010-06-02 2010-06-04
[49] 2010-06-05 2010-06-06 2010-06-08 2010-06-09 2010-06-10
2010-06-11 2010-06-12 2010-06-13 2010-06-14 2010-06-15
2010-06-16 2010-06-17
[61] 2010-06-18 2010-06-19

The error being:

 plot(xrange, yrange, type=n, xlab=Date, ylab=Differential)
Error in plot.window(...) : need finite 'xlim' values
In addition: Warning messages:
1: In xy.coords(x, y, xlabel, ylabel, log) : NAs introduced by coercion
2: In min(x) : no non-missing arguments to min; returning Inf
3: In max(x) : no non-missing arguments to max; returning -Inf

Any tips on how to generate a nicely-formatted plot w/ dates in the x axis?
Thanks.

-- 
Wells Oliver
we...@submute.net

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Re: [R] Beginner Q- dates in the xrange?

2009-09-16 Thread Wells Oliver
Follow up with actual data and what I'm trying to do. Current R code/script:
plot(results$DIFF, xaxt=n, ylab=Differential, xlab=2009)
daterange=c(as.POSIXlt(min(results$date)),as.POSIXlt(max(results$date)))
axis.POSIXct(1, at=seq(daterange[1], daterange[2], by=month), format=%b)
lines(results$DIFF, type=l, lwd=1.5, col=red, pch=15)

dput(results):

structure(list(date = c(2010-04-12, 2010-04-14, 2010-04-15,
2010-04-16, 2010-04-17, 2010-04-18, 2010-04-19, 2010-04-20,
2010-04-21, 2010-04-23, 2010-04-24, 2010-04-25, 2010-04-27,
2010-04-28, 2010-04-29, 2010-04-30, 2010-05-01, 2010-05-02,
2010-05-03, 2010-05-04, 2010-05-05, 2010-05-06, 2010-05-07,
2010-05-08, 2010-05-09, 2010-05-10, 2010-05-11, 2010-05-12,
2010-05-13, 2010-05-14, 2010-05-15, 2010-05-16, 2010-05-18,
2010-05-19, 2010-05-20, 2010-05-21, 2010-05-22, 2010-05-23,
2010-05-25, 2010-05-26, 2010-05-27, 2010-05-28, 2010-05-29,
2010-05-30, 2010-05-31, 2010-06-01, 2010-06-02, 2010-06-04,
2010-06-05, 2010-06-06, 2010-06-08, 2010-06-09, 2010-06-10,
2010-06-11, 2010-06-12, 2010-06-13, 2010-06-14, 2010-06-15,
2010-06-16, 2010-06-17, 2010-06-18, 2010-06-19), DIFF = c(0,
7, 3, 8, 2, -3, 0, -5, -6, -12, -10, -5, -11, -7, -5, -3, 5,
6, 7, 3, 6, 9, 7, 5, 12, 10, 12, 13, 1, 5, 6, 4, 3, -1, 0, -6,
-5, 2, -2, 2, -3, 0, 4, 2, 4, 9, 12, 16, 13, 14, 16, 18, 15,
14, 21, 23, 24, 26, 27, 26, 27, 22)), .Names = c(date, DIFF
), row.names = c(1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42,
43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53,
54, 55, 56, 57, 58, 59, 60, 61, 62), class = data.frame)

However, on the plot, there are no values for the dates; it seems as though
the axis.POSIXct call is failing. Thanks for any tips.

On Wed, Sep 16, 2009 at 7:15 PM, Wells Oliver we...@submute.net wrote:

 Hi all- terribly beginner question here, but I can't figure out how to put
 dates as the values for my x range in a plot. Example:
 xrange - results$current
 yrange - results$DIFF

 plot(xrange, yrange, type=n, xlab=Date, ylab=Differential)
 lines(results$DIFF, type=l, lwd=1.5, col=red)

 Where xrange is:

  xrange
  [1] 2010-04-12 2010-04-14 2010-04-15 2010-04-16 2010-04-17
 2010-04-18 2010-04-19 2010-04-20 2010-04-21 2010-04-23
 2010-04-24 2010-04-25
 [13] 2010-04-27 2010-04-28 2010-04-29 2010-04-30 2010-05-01
 2010-05-02 2010-05-03 2010-05-04 2010-05-05 2010-05-06
 2010-05-07 2010-05-08
 [25] 2010-05-09 2010-05-10 2010-05-11 2010-05-12 2010-05-13
 2010-05-14 2010-05-15 2010-05-16 2010-05-18 2010-05-19
 2010-05-20 2010-05-21
 [37] 2010-05-22 2010-05-23 2010-05-25 2010-05-26 2010-05-27
 2010-05-28 2010-05-29 2010-05-30 2010-05-31 2010-06-01
 2010-06-02 2010-06-04
 [49] 2010-06-05 2010-06-06 2010-06-08 2010-06-09 2010-06-10
 2010-06-11 2010-06-12 2010-06-13 2010-06-14 2010-06-15
 2010-06-16 2010-06-17
 [61] 2010-06-18 2010-06-19

 The error being:

  plot(xrange, yrange, type=n, xlab=Date, ylab=Differential)
 Error in plot.window(...) : need finite 'xlim' values
 In addition: Warning messages:
 1: In xy.coords(x, y, xlabel, ylabel, log) : NAs introduced by coercion
 2: In min(x) : no non-missing arguments to min; returning Inf
 3: In max(x) : no non-missing arguments to max; returning -Inf

 Any tips on how to generate a nicely-formatted plot w/ dates in the x axis?
 Thanks.

 --
 Wells Oliver
 we...@submute.net




-- 
Wells Oliver
we...@submute.net

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