I really need help because my internship end soon, so please if someone succeed to help me, I would appreciate. I don't understand why this seems so complicated. As simple as it is on Excel, i would like to do it on R, but I NEVER SUCCEDED and I went on so many website. So My supervisor wants me to plot the abundance above time and to add exponential trendline (with equation of the trendline and Rsquare).
I'm in master's degree internship and I have collected data of bacteria concentration (cell/ml) above time (in days of experiment). Then, anytime TLEq is empty, line 4 errors because it cannot carry out the CDbl(Mid()) an empty TLEq.Hello, I'm new up there ! I'm not very good in Rstudio so please be patient lol (and i'm french so non native english speaker) The issue begins in line 2 where TLEq is inconsistently left blank during the loop some iterations all the trendline equation are extracted, sometimes only some are, and other times no equations are extracted. There has been no issues with graphing, trendlines showing up, or trendline equations displaying. In lines above these (not included), the series are added, trendlines inserted, and DisplayEquation is called for each trendline. The CDbl(Mid()) is used to trim TLEq to just the slope and convert to a Double.
TLEq is a string to temporarily hold the full text of the trendline equation (intercept set to 0 so simple y = mx equation).
SelectedSheets is an array filled with the sheets the user selects to be analyzed from a multi-select userform listbox. ModulusArr(j) = CDbl(Mid(TLEq, 4, Len(TLEq) - 4)) I want to report the slope average of all the trendlines and I've written the code below to do this action: For j = 1 To UBound(SelectedSheets) I've had success with everything except extracting the trendline slopes. I'm currently making a macro to extract raw data from multiple csvs, print it in different sheets, trim extraneous data, plot data from each sheet on a single graph with individual trendlines, and report some information for said trendlines and data.
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