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How to make histogram in root from excel data?

___how to make histogram in root from excel data???

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ROOT cannot directly read the Excel file format. But you can export the Excel data to a CSV, which can be processed e.g. by RDataFrame. See here for further information:

i am beginner.kindly tell me about exponential data in excel…if we have a entries vs in negative exponenetial form?then how???

@Rabiya: I am also looking for the solution

AS @jblomer said export your Excel file into a csv file, then search “csv” in that forum. This question was answered many times.

In addition to @jblomer and @couet reply you can check tutorial: https://root.cern.ch/doc/master/df014__CSVDataSource_8C.html