Timeline for How to determine if there is a drop in revenue after a change in the system?
Current License: CC BY-SA 3.0
12 events
| when toggle format | what | by | license | comment | |
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| Dec 22, 2017 at 16:25 | answer | added | Russ Harris | timeline score: 1 | |
| Apr 30, 2012 at 12:42 | vote | accept | jermeyz | ||
| Apr 28, 2012 at 2:53 | answer | added | Peter Ellis | timeline score: 4 | |
| S Apr 27, 2012 at 21:19 | history | suggested | Emre | CC BY-SA 3.0 |
copy-editing
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| Apr 27, 2012 at 20:02 | comment | added | PhD | I may be wrong, but did you try simple correlation to see if it even makes sense? Correlating sales with new design for that time period vs that of the old one? Intuitively this makes sense for a cursory analysis before diving into details, but I'll leave it up to the experts to comment on this | |
| Apr 27, 2012 at 19:58 | comment | added | IrishStat | f you actually post your data I will try and help as I have had extensive experience in modelling daily data taking into account day-of-the-week , month of the year, holiday effects , particular days of the month effects , level shift effects and local time trends. What needs to be done is to empirically detect a substantive change which could be assignable to a number of possible "causes". | |
| Apr 27, 2012 at 18:53 | answer | added | pgericson | timeline score: 3 | |
| Apr 27, 2012 at 18:19 | review | Suggested edits | |||
| S Apr 27, 2012 at 21:19 | |||||
| Apr 27, 2012 at 16:42 | history | edited | Peter Flom | CC BY-SA 3.0 |
Fixed title to reflect topic, added time series tag
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| Apr 27, 2012 at 15:36 | comment | added | jermeyz | We have their revenue numbers in dollars of products sold for about the last two years on a daily basis. We are trying to determine if a recent drop in revenue after a site relaunch can be attributed to the redesigned web site functionality or just a normal variance. | |
| Apr 27, 2012 at 15:27 | comment | added | Ken | Can you be a little more specific in terms of data you have? | |
| Apr 27, 2012 at 15:23 | history | asked | jermeyz | CC BY-SA 3.0 |