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Hello everybody! Since the end of last week, I can't get financial data associated with Orange (or ORA.PA), which suddenly became an unknown entity. I met this issue for the first time, and I have no idea how to fix it! &[Wolfram Notebook][1] ...
Hi! Consider the functions f[Theta_, Phi_] := a*Cos[Theta]^3 + b*Cos[Theta] Sin[Theta]^2 - c*(Cos[Phi] - 3 Cos[3 Phi]) Sin[Theta]^3; and Sin[Theta]*f[Theta, Phi] I'm interessed in computing the volume inside the...
Hello, For the nth time, I accidentally changed (I don't know how) the size of characters of a large notebook, which is now illegible! How can I restore it? Thanks, Claude
Hi everybody! I have to process data about fishing sessions and I want to investigate links between the number of fished individuals (trouts, for instance) and various environmental variables. It is necessary to select sub-datasets, depending on...
Hello! I'm trying to extract simultaneous observation from 11 financial series Clear["Global`*"]; port = {"Thermo Fisher Scientific", "KLA-Tencor", "Air Liquide", "Schneider Electric", "Silicon Motion", "Compagnie de...
Hi everybody! Is it possible to turn a Dataset object into a Tex expression? One can easily build a dataset fom an Excel file: Tableau = SemanticImport["UneFeuille.xlsx", Automatic]; Right, but : Export[Tableau, "TeXFragment"] for...
Hello everybody! It's likely a silly question, but I can't find the way to add a column to some dataset. Consider: dataset = Dataset[{ 1, "b" -> 3, "c" -> {1}|>, 2, "b" -> 8, "c" -> {2, 3}|>, 3, "b" -> 0, "c"...
Hello! I'm trying to process an Excel data set (attached) about fishing, with 27 heterogeneous variables... It seemed natural to use **SemanticImport** for that. Notice I want (first) to split the data in function of the character "nom_sp"...
Hello everybody! I try to use "Inset" to include small plots in a larger plot, and I have a problem of frontiers... Here is an illustration from the documentation. A function p1 p1 = Plot[{Sin[x], Sin[2 x]}, {x, 0, 2 \[Pi]},...
Hello everybody! I wrote a number of notebooks calling R packages. But using up-to-date versions (Mathematica 12 and R 3.6.1), nothing works any more! For instance, it seems the default distribution doesn't exist now: In[2]:= InstallR[] ...