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Remove rows with all or some NAs (missing values) in data.frame
...mptions --------------------
fakeData <- function(m, n, p){
set.seed(123)
m <- matrix(runif(m*n), nrow=m, ncol=n)
m[m<p] <- NA
return(m)
}
df <- cbind( data.frame(id = paste0('ID',seq(row_size)),
stringsAsFactors = FALSE),
data.frame(fak...
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Checking if sys.argv[x] is defined
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David WoleverDavid Wolever
123k7676 gold badges297297 silver badges462462 bronze badges
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Convert xlsx to csv in Linux with command line
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Using exporter Gnumeric_stf:stf_csv
$ cat newfile.csv
Foo,Bar,Baz
1,2,3
123.6,7.89,
2012/05/14,,
The,last,Line
To install on Ubuntu:
apt-get install gnumeric
To install on Mac:
brew install gnumeric
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How to COUNT rows within EntityFramework without loading contents?
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Craig StuntzCraig Stuntz
123k1212 gold badges244244 silver badges266266 bronze badges
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How can I post an array of string to ASP.NET MVC Controller without a form?
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Craig StuntzCraig Stuntz
123k1212 gold badges244244 silver badges266266 bronze badges
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Printing the last column of a line in a file
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Using Perl
$ cat rayne.txt
A1 123 456
B1 234 567
C1 345 678
A1 098 766
B1 987 6545
C1 876 5434
$ perl -lane ' /A1/ and $x=$F[2] ; END { print "$x" } ' rayne.txt
766
$
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How to overwrite the previous print to stdout in python?
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123
One way is to use the carriage return ('\r') character to return to the start of the line with...
With ng-bind-html-unsafe removed, how do I inject HTML?
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123
You need to make sure that sanitize.js is loaded. For example, load it from https://ajax.goog...
How to mark-up phone numbers?
...e Skype Echo / Sound Test Service, the link would be <a href="skype:echo123?call">Call the Skype Echo / Sound Test Service</a> from msdn.microsoft.com/en-us/library/office/…
– OzBob
Apr 2 '15 at 4:11
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