Displaying 4 results from an estimated 4 matches for "dewp".
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devp
2008 Apr 14
2
linear regression "group by"
Hi all. I'm brand new to R.
My dataset (stored in MySQL) is a list of weather stations in rows by
year with various weather variables in columns, for example:
STNID YEAR TEMP DEWP
station1 1990 54 50
station1 1991 23 10
station1 1992 34 18
station2 1990 45 41
station2 1991 32 25
station2 1992 21 11
I'm trying to run linear regression and get the basic output (i.e.
intercept, slope, and significance) for e...
2012 Aug 03
5
replacement has length zero. In addition: Warning message: In max(i) : no non-missing arguments to max; returning -Inf
...ne = "", tclass = c("POSIXct",
"POSIXt")), .Dim = c(10L, 13L), .Dimnames = list(NULL, c("WDIR",
"WSPD", "GST", "WVHT", "DPD", "APD", "MWD", "PRES", "ATMP", "WTMP",
"DEWP", "VIS", "TIDE")))
I tried to copy some fields from this data to another data. I got error.
Could you please help? Thanks.
diveCond <- data.frame(matrix(0, nrow=97, ncol=17))
names(diveCond) <- c("dive_id", "timestamp", "visability", &qu...
2011 May 23
3
getting time series into r
...Date Count
9/28/2003
1505
10/5/2003
1535
10/12/2003
1549
10/19/2003
1466
10/26/2003
1460
11/2/2003
1501
11/9/2003
1456
11/16/2003
1806
11/23/2003
2466
11/30/2003
4309
12/7/2003
7490]
Timeseries2=[
YEARMODA
TEMP
DEWP
SLP
STP
FRSHTT
20030928
68
24
58.6
24
1008
24
1002.5
24
110010
20030929
57.7
24
47.7
24
1014
24
1008.4
24
10000
20030930
53.7
24
42
24
1023.7
24
1018
24
0
20031001
54.7
24
45.7
24
1022.3
24
1016.5
23
10000
20031002
52
24
37.4
24
1019.8
24...
2009 Feb 26
5
Download daily weather data
I'm writing a program that will tell me whether I should wear a coat,
so I'd like to be able to download daily weather forecasts and daily
reports of recent past weather conditions.
The NOAA has very promising tabular forecasts
(http://forecast.weather.gov/MapClick.php?CityName=Ithaca&state=NY&site=BGM&textField1=42.4422&textField2=-76.5002&e=0&FcstType=digital),