Displaying 3 results from an estimated 3 matches for "wqr".
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war
2011 Nov 29
5
Why Numeric Values Become Factors in Data Frame
...00|228.000|0.001|0.000|0.002|0.000|88.400|0.000|1.340|0.000|0.006|0.014|9.910|0.309|0.000|0.000|9.150|0.047|0.000|0.820|0.224|0.020|NA|0.025|7.940|0.001|633.000|0.001|75.400|0.000|300.000|0.001|0.000|12.400
The R command used to create the data frame is:
waterchem <- read.table('wqR.txt', header = TRUE, sep = '|')
Pointers on how to determine why this one variable has some values and
characters rather than as numerics are needed.
Rich
2017 Jun 19
0
quantreg::rq.fit.hogg crashing at random
...e3; n=1e3; p=15; type=8; K=10 # no. of replications, sample size,
dimension of beta, type of quantile estimator, number of quantiles
distributions=c("norm","t1","t2","t3","t5","logistic","
exponential","Weibull")
method.wqr="fn" # interior point method; if "fn" then roughly matches with
method.cqr="ip"
# Create the covariance matrix of X
Sigma=matrix(NA,p,p); for(i in 1:p) for(j in 1:p) Sigma[i,j]=0.5^(abs(i-j))
# Generate X (common across all simulations)
set.seed(0); X=mvrnorm(n=n,mu=r...
2008 May 21
0
Errors in using gdb (PR#11496)
...uuOGOO+44ePCgwPUnn3zyyJEjhKU9DYSYwMx/hKOgnZnmNNsjJ83J42Ba+QTz7ktY
Au4Wz1dayTPNWWkva8ErOYM4566okKPSk1bLnFehnOEeY3R95aYw7Rks0up8XzndY4q8Kgbz
xe8B0qC9INX7apz5MhtbFznDPUYOl864pKVdjphyIFZja0J60vJV1thUVh+VVhdF+jq6l0iD
9up+DSxxFE54hUlzKHL2tJwujnjriaWCYOsNQkVZz05aemxopwcFn6Vd/it92o1yzrJMOXKr
JR+vnOrj517yG3/wqR/9tc8snrz7+35z94+/fue/OfVv3nfG2ZdffvlXvvKVhx9++LHHHtN9
2oPdMqfiyuqIiv9gVzq01wa31QEejbtBL5QqoJ3vjl5KiSXgXJrpydk5+MwOfDSi6yvqmCau
hNIuCCdRPu1VQDtRFHxopxtDKYMUvx0WIfZgy+S8LAQnRCS4LfmgXf2QbSdMQbs+EKuxlfO7
HvNpSmsbzLiIPpNvYyxYF2n5mlFoL2sUDvbYJUJ7GqE5r6kI2tPam7NFVWGUc0K7s2vlQLt0
j9GTPQl8bTvUDe3atUtw+3v+68...