Hello R people,
How can I compute the mean of the Pulse_rate column of the data frame or
matrix from the following character object called str_got. It has 14
entries and each entry has 8 values, separated by commas. Please go thru
the following R commands to know how I tried to unstring and
On 29-02-2012, at 09:45, Aniruddha Mukherjee wrote:
Hello R people,
How can I compute the mean of the Pulse_rate column of the data frame or
matrix from the following character object called str_got. It has 14
entries and each entry has 8 values, separated by commas. Please go thru
the
On 29-02-2012, at 11:49, Aniruddha Mukherjee wrote:
Hello Berend.
Many thanks for your prompt reply and that helped me a lot. One more thing,
if you please explain, I shall be highly obliged.
Why in my case (i.e. when stringsAsFactors was TRUE by default),
Hello Berend.
Many thanks for your prompt reply and that helped me a lot. One more
thing, if you please explain, I shall be highly obliged.
Why in my case (i.e. when stringsAsFactors was TRUE by default),
as.numeric(matr1$Pulse_rate)
displays the following
[1] 4 5 7 5 9 8 6 10 3 2
Factors are internally stored as integers (enums if you have used
other programming languages) with a special label set -- it's more
memory efficient than storing the whole string over and over.
Michael
On Wed, Feb 29, 2012 at 5:49 AM, Aniruddha Mukherjee
aniruddha.mukher...@tcs.com wrote:
On 12-02-29 8:16 AM, R. Michael Weylandt wrote:
Factors are internally stored as integers (enums if you have used
other programming languages) with a special label set -- it's more
memory efficient than storing the whole string over and over.
That was one of the original justifications, but
On 29/02/2012 13:41, Duncan Murdoch wrote:
On 12-02-29 8:16 AM, R. Michael Weylandt wrote:
Factors are internally stored as integers (enums if you have used
other programming languages) with a special label set -- it's more
memory efficient than storing the whole string over and over.
That
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