Displaying 3 results from an estimated 3 matches for "surreyjackson".
2011 Feb 01
2
Scatterplot Question
Hello,
I have some data where a number of events (the total amount varies)
occur at cumulating times, I would like to create a scatterplot
(easily achieved using plot etc) of these events (the events can
either be times using poxist or I can convert them into just seconds
which is probably easier to work with), however I would like the
events/times to re-begin plotting every 10th occurrence and
2011 Jan 14
9
Selecting the first occurrence of a value after an occurrence of a different value
Hello everyone,
I am currently working with some data where I need to select the first
occurrence of a value after the occurrence of another value.
The data has two columns, one with a time and one with occurence of certain
events.
The column of data I want to select from looks like this (and each of these
events have a corresponding time in another column).
Stat71
OutMag
FirstResp
InMag
2011 Feb 21
1
R Square Help (this debate again, i know!)
Hello everyone,
I have been using R to do some behavioural economic analysis for my masters
thesis, specifically fitting demand curves using nls.
E.g.
Formula: y ~ c + b * x - a * exp(x)
Parameters:
Estimate Std. Error t value Pr(>|t|)
c -0.445097 0.080823 -5.507 0.005304 **
b -0.777105 0.059528 -13.054 0.000199 ***
a 0.011908 0.003886 3.064 0.037495 *
---
Signif.