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  3. Suggestions for graphing software...

Suggestions for graphing software...

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  • C Offline
    C Offline
    Chris C B
    wrote on last edited by
    #1

    … preferably free, but cheap is good too. All I want to do is set up an X axis, set up a Y axis, and plot a line-scatter graph. It seems Excel can't do this with non-linear X values on a linear X axis - or I can't coerce it to do so. Either way, I have given up struggling with it, to the point where I am prepared to drop some valuable beer vouchers on the problem. If anyone has any suggestions, I would be very glad to hear them.

    Kornfeld Eliyahu PeterK N R S F 12 Replies Last reply
    0
    • C Chris C B

      … preferably free, but cheap is good too. All I want to do is set up an X axis, set up a Y axis, and plot a line-scatter graph. It seems Excel can't do this with non-linear X values on a linear X axis - or I can't coerce it to do so. Either way, I have given up struggling with it, to the point where I am prepared to drop some valuable beer vouchers on the problem. If anyone has any suggestions, I would be very glad to hear them.

      Kornfeld Eliyahu PeterK Offline
      Kornfeld Eliyahu PeterK Offline
      Kornfeld Eliyahu Peter
      wrote on last edited by
      #2

      Not sure, but it may help: sketchometry[^]

      "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge". Stephen Hawking, 1942- 2018

      "It never ceases to amaze me that a spacecraft launched in 1977 can be fixed remotely from Earth." ― Brian Cox

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      • Kornfeld Eliyahu PeterK Kornfeld Eliyahu Peter

        Not sure, but it may help: sketchometry[^]

        "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge". Stephen Hawking, 1942- 2018

        C Offline
        C Offline
        Chris C B
        wrote on last edited by
        #3

        Thanks for that - it looks useful, but I need something that I can import Excel or CSV data into. I have a LOT of data! :sigh:

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        • C Chris C B

          … preferably free, but cheap is good too. All I want to do is set up an X axis, set up a Y axis, and plot a line-scatter graph. It seems Excel can't do this with non-linear X values on a linear X axis - or I can't coerce it to do so. Either way, I have given up struggling with it, to the point where I am prepared to drop some valuable beer vouchers on the problem. If anyone has any suggestions, I would be very glad to hear them.

          N Offline
          N Offline
          NeverJustHere
          wrote on last edited by
          #4

          I'd use matplotlib and numpy/pandas in the python world. numpy is a lower level high performance array structure. pandas is a higher level data frame structure built on top of numpy matplotlib is a graphing library that will take data frames and render a huge variety of visualisations. Use an IDE like spyder and it's all quite easy and interactive. And all free.

          C 1 Reply Last reply
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          • C Chris C B

            … preferably free, but cheap is good too. All I want to do is set up an X axis, set up a Y axis, and plot a line-scatter graph. It seems Excel can't do this with non-linear X values on a linear X axis - or I can't coerce it to do so. Either way, I have given up struggling with it, to the point where I am prepared to drop some valuable beer vouchers on the problem. If anyone has any suggestions, I would be very glad to hear them.

            R Offline
            R Offline
            Rage
            wrote on last edited by
            #5

            Not free, but enough if it is a one-shot : imc FAMOS - data analysis framework - productive testing[^]

            Do not escape reality : improve reality !

            1 Reply Last reply
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            • C Chris C B

              … preferably free, but cheap is good too. All I want to do is set up an X axis, set up a Y axis, and plot a line-scatter graph. It seems Excel can't do this with non-linear X values on a linear X axis - or I can't coerce it to do so. Either way, I have given up struggling with it, to the point where I am prepared to drop some valuable beer vouchers on the problem. If anyone has any suggestions, I would be very glad to hear them.

              S Offline
              S Offline
              S Houghtelin
              wrote on last edited by
              #6

              I use the pirates favorite... R[^] RStudio is nice IDE envirionment for R that makes it easier to use. You can import and export Excel and csv file easily. and there are plenty of support communities where you can find how-tos and examples. RStudio – Open source and enterprise-ready professional software for R[^] [Edit] - And it's open source.

              It was broke, so I fixed it.

              C 1 Reply Last reply
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              • N NeverJustHere

                I'd use matplotlib and numpy/pandas in the python world. numpy is a lower level high performance array structure. pandas is a higher level data frame structure built on top of numpy matplotlib is a graphing library that will take data frames and render a huge variety of visualisations. Use an IDE like spyder and it's all quite easy and interactive. And all free.

                C Offline
                C Offline
                Chris C B
                wrote on last edited by
                #7

                Thanks, but that's a bit like reinventing the wheel. I just have this bunch of data and need to display it in a graph outside the application, as a once-off. I was a bit gobsmacked that Excel couldn't do it. Somewhere there has to be something where you establish the X and Y axes of the graph from the max and min of the data, and then plot all the X,Y points from the dataset. The data collection points on the X axis are non-linear, but I need to display them along a linear X axis.

                1 Reply Last reply
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                • S S Houghtelin

                  I use the pirates favorite... R[^] RStudio is nice IDE envirionment for R that makes it easier to use. You can import and export Excel and csv file easily. and there are plenty of support communities where you can find how-tos and examples. RStudio – Open source and enterprise-ready professional software for R[^] [Edit] - And it's open source.

                  It was broke, so I fixed it.

                  C Offline
                  C Offline
                  Chris C B
                  wrote on last edited by
                  #8

                  Thanks, but I really, realy, realy do not want to write one more line of code just to display the data just one time.

                  S 2 Replies Last reply
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                  • C Chris C B

                    Thanks, but I really, realy, realy do not want to write one more line of code just to display the data just one time.

                    S Offline
                    S Offline
                    S Houghtelin
                    wrote on last edited by
                    #9

                    So, what your really, realy, realy looking for is some CODZ PLZ URGNTZZ? :laugh:

                    It was broke, so I fixed it.

                    C 1 Reply Last reply
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                    • S S Houghtelin

                      So, what your really, realy, realy looking for is some CODZ PLZ URGNTZZ? :laugh:

                      It was broke, so I fixed it.

                      C Offline
                      C Offline
                      Chris C B
                      wrote on last edited by
                      #10

                      Nah! I don't need no CODZ PLZ URGNTZZ. Don't really like the stuff. I am actually having poached salmon in a lemon sauce tonight. :laugh:

                      S 1 Reply Last reply
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                      • C Chris C B

                        Nah! I don't need no CODZ PLZ URGNTZZ. Don't really like the stuff. I am actually having poached salmon in a lemon sauce tonight. :laugh:

                        S Offline
                        S Offline
                        S Houghtelin
                        wrote on last edited by
                        #11

                        Is that with real lemons?

                        It was broke, so I fixed it.

                        C 1 Reply Last reply
                        0
                        • C Chris C B

                          … preferably free, but cheap is good too. All I want to do is set up an X axis, set up a Y axis, and plot a line-scatter graph. It seems Excel can't do this with non-linear X values on a linear X axis - or I can't coerce it to do so. Either way, I have given up struggling with it, to the point where I am prepared to drop some valuable beer vouchers on the problem. If anyone has any suggestions, I would be very glad to hear them.

                          F Offline
                          F Offline
                          Foothill
                          wrote on last edited by
                          #12

                          I just plugged two sets of random numbers into Excel (2013) and produced a proper scatter plot. I followed these steps to get the trend line: trendline example. Is your data set too big for Excel?

                          if (Object.DividedByZero == true) { Universe.Implode(); }

                          C 1 Reply Last reply
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                          • S S Houghtelin

                            Is that with real lemons?

                            It was broke, so I fixed it.

                            C Offline
                            C Offline
                            Chris C B
                            wrote on last edited by
                            #13

                            Nah! Furniture polish - it's cheaper.

                            S 1 Reply Last reply
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                            • C Chris C B

                              Nah! Furniture polish - it's cheaper.

                              S Offline
                              S Offline
                              S Houghtelin
                              wrote on last edited by
                              #14

                              Chris C-B wrote:

                              Nah! Furniture polish - it's cheaper.

                              :laugh: plus if you're grilling, you get the added bonus of that flame thrower touch of excitement, the kids will love it!

                              It was broke, so I fixed it.

                              1 Reply Last reply
                              0
                              • C Chris C B

                                … preferably free, but cheap is good too. All I want to do is set up an X axis, set up a Y axis, and plot a line-scatter graph. It seems Excel can't do this with non-linear X values on a linear X axis - or I can't coerce it to do so. Either way, I have given up struggling with it, to the point where I am prepared to drop some valuable beer vouchers on the problem. If anyone has any suggestions, I would be very glad to hear them.

                                K Offline
                                K Offline
                                Kirill Illenseer
                                wrote on last edited by
                                #15

                                Scilab seems like the way to go. Several of my scientific co-workers use that for dealing with data sets doing all kinds of stuffs that physics does with data, including non-linear axes.

                                C 1 Reply Last reply
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                                • C Chris C B

                                  … preferably free, but cheap is good too. All I want to do is set up an X axis, set up a Y axis, and plot a line-scatter graph. It seems Excel can't do this with non-linear X values on a linear X axis - or I can't coerce it to do so. Either way, I have given up struggling with it, to the point where I am prepared to drop some valuable beer vouchers on the problem. If anyone has any suggestions, I would be very glad to hear them.

                                  L Offline
                                  L Offline
                                  Lost User
                                  wrote on last edited by
                                  #16

                                  You could have a look at GNUplot, it certainly meets your requirement for free.

                                  C 1 Reply Last reply
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                                  • C Chris C B

                                    … preferably free, but cheap is good too. All I want to do is set up an X axis, set up a Y axis, and plot a line-scatter graph. It seems Excel can't do this with non-linear X values on a linear X axis - or I can't coerce it to do so. Either way, I have given up struggling with it, to the point where I am prepared to drop some valuable beer vouchers on the problem. If anyone has any suggestions, I would be very glad to hear them.

                                    P Offline
                                    P Offline
                                    Pete Kelley
                                    wrote on last edited by
                                    #17

                                    I don't have a solution to offer, but I'm wondering if you could give some usable example data?(rigged-up or otherwise) I certainly recognize that this simple need has arisen more times than I can remember. It's time to dabble in tool-building. This kind of issue is a lot like when I only want to make a simple chicken-scratch sketch using old-school Paint but the system I happen to be using only has a major drawing program that takes too-long/forever to load up. Or I just want to type a sentence and a bloated word processor starts loading. Great to have some of the suggestions - checking out GNUPlot and some of the free-or-inexpensive options.

                                    Pete K.

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                                    • C Chris C B

                                      Thanks, but I really, realy, realy do not want to write one more line of code just to display the data just one time.

                                      S Offline
                                      S Offline
                                      S Houghtelin
                                      wrote on last edited by
                                      #18

                                      So, how was the salmon? ;) Anyway I got 'yer Codez. It's like 6 lines of code.

                                      # Install & Load Library
                                      if (!require("readxl")) install.packages("readxl")
                                      library("readxl")

                                      Choose & Read Excel file, the 2 denotes the desired sheet number.

                                      my_data <- read_excel(file.choose(), 2)

                                      Extract data from the desired columns. RStudio will provide drop-down with column names.

                                      Ydata <- my_data$Column_With_Ydata
                                      Xdata <- my_data$Column_With_Xdata

                                      Plot data

                                      plot(Ydata, Xdata)

                                      As with any code you can get as fancy as you want, but for a one time look see...

                                      It was broke, so I fixed it.

                                      C 1 Reply Last reply
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                                      • C Chris C B

                                        … preferably free, but cheap is good too. All I want to do is set up an X axis, set up a Y axis, and plot a line-scatter graph. It seems Excel can't do this with non-linear X values on a linear X axis - or I can't coerce it to do so. Either way, I have given up struggling with it, to the point where I am prepared to drop some valuable beer vouchers on the problem. If anyone has any suggestions, I would be very glad to hear them.

                                        M Offline
                                        M Offline
                                        mngerhold
                                        wrote on last edited by
                                        #19

                                        At the risk of sounding dumb, I can't see the problem - what are 'non-linear X values' ? You can't just mean they are at unequal X-intervals, because surely that is trivial, even for Excel?

                                        C 1 Reply Last reply
                                        0
                                        • C Chris C B

                                          … preferably free, but cheap is good too. All I want to do is set up an X axis, set up a Y axis, and plot a line-scatter graph. It seems Excel can't do this with non-linear X values on a linear X axis - or I can't coerce it to do so. Either way, I have given up struggling with it, to the point where I am prepared to drop some valuable beer vouchers on the problem. If anyone has any suggestions, I would be very glad to hear them.

                                          C Offline
                                          C Offline
                                          cmkrnl
                                          wrote on last edited by
                                          #20

                                          I found ZedGraph maybe 10 years ago, and have driven it with C# for countless graphing needs since then.

                                          1 Reply Last reply
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