Other [PyBridge] B4J v10.2 BETA is available for download

    'Fibonacci - this works well and is very concise
    Dim n As Int = 100
    Wait For (Fibonacci(n).Fetch) Complete (series As PyWrapper)
    Log($"The Fibonacci series up to (not including) ${n}: "$  & series.Value)
    'The Fibonacci series up to (not including) 100: [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89]
    
    
Private Sub Fibonacci(n As Int) As PyWrapper
    Dim code As String = $"
# Fibonacci numbers module
def Fibonacci (n):
    result = []
    a, b = 0, 1
    while a < n:
        result.append(a)
        a, b = b, a+b
    return result
"$
    Return Py.RunCode("Fibonacci", Array(n), code)
End Sub

'# Multiple Linear Regression Module
'    import numpy As np
'    from scipy import stats

    Py.ImportModule("numpy")
    Py.ImportModuleFrom("scipy", "stats")
    Dim x() As Object = Array As Object(5,7,8,7,2,17,2,9,4,11,12,9,6)
    Dim y() As Object = Array As Object(99,86,87,88,111,86,103,87,94,78,77,85,86)
    Dim result As PyWrapper = LinearRegression(x, y)
    result.Print

'    Error occurred on line: 35 (B4XMainPage)
'    (b4xmainpage.B4XPage_Created) - Python Error (ModuleNotFoundError) - Method: module.exec: No module named 'numpy'

Private Sub LinearRegression(x() As Object, y() As Object) As PyWrapper
    Dim Code As String = $"
# Multiple Linear Regression Module
def LinearRegression (x, y):
    return stats.linregress(x, y)
"$
    Return Py.RunCode("LinearRegression", Array(x, y), Code)
End Sub

    Py.ImportModule("numpy")
    Py.ImportModuleFrom("scipy", "stats")

'Ctrl + click to export as zip: ide://run?File=%B4X%\Zipper.jar&Args=Project.zip
#CustomBuildAction: after packager, %WINDIR%\System32\robocopy.exe, Python temp\build\bin\python /E /XD __pycache__ Doc pip setuptools tests

'Ctrl + click to open Python shell: ide://run?File=%PROJECT%\Objects\Python\WinPython+Command+Prompt.exe
Sub Class_Globals
    Private Root As B4XView
    Private xui As XUI
    Public Py As PyBridge
    Private SP As SimpleXYPlot
End Sub

Public Sub Initialize
    SP.Initialize   
End Sub

Private Sub B4XPage_Created (Root1 As B4XView)
    Root = Root1
    Root.LoadLayout("MainPage")
    B4XPages.AddPageAndCreate("SP", SP)

    Py.Initialize(Me, "Py")
    Dim opt As PyOptions = Py.CreateOptions(File.Combine(File.DirApp, "Python/python/python.exe"))
    Py.Start(opt)
    Wait For Py_Connected (Success As Boolean)
    If Success = False Then
        LogError("Failed to start Python process.")
        Return
    End If

    Py.ImportModule("numpy")
    'Py.ImportModule("scipy", "stats")            'This doesn't seem to work - I had to put it in the code

    Dim x As List = B4XCollections.CreateList(Array(5,7,8,7,2,17,2,9,4,11,12,9,6))
    Dim y As List = B4XCollections.CreateList(Array(99,86,87,88,111,86,103,87,94,78,77,85,86))
    Wait For (LinearRegression(x, y).Fetch) Complete (results As PyWrapper)
    Dim ar() As Object = results.Value
    Dim mp As Map = CreateMap("slope": ar(0), "intercept": ar(1), "r": ar(2), "p": ar(3), "std_err": ar(4))
    plotResults(x, y, mp)
End Sub

Private Sub B4XPage_Background
    Py.KillProcess
End Sub

Private Sub Py_Disconnected
    Log("PyBridge disconnected")
End Sub

Private Sub LinearRegression(xs As List, ys As List) As PyWrapper
    Dim Code As String = $"
from scipy import stats   
# Multiple Linear Regression Module
def LinearRegression (xs, ys):
    x = numpy.array(xs)
    y = numpy.array(ys)
    return stats.linregress(x, y)
"$
    Return Py.RunCode("LinearRegression", Array(xs, ys), Code)
End Sub

'draw simple XY plot
Private Sub plotResults(x As List, y As List, mp As Map)  'ignore
    SP.drawXY(x, y)
    SP.drawRegression(mp.Get("intercept"), mp.Get("slope"))
    Dim r As Float = mp.Get("r")
    SP.addTitle("Fig 1. Best-fit Line to Data Points")
    SP.addSubTitle($"[n=${x.size};  r=$1.3{r};  r${Chr(0x00B2)}=$1.3{Power(r, 2)};  p=$1.3{mp.Get("p")}]"$)
    SP.addYLabel("Y - Axis")
    SP.addXLabel("X - Axis")
    B4XPages.ShowPage("SP")
End Sub

'Ctrl + click to open Python shell: ide://run?File=%PROJECT%\Objects\Python\WinPython+Command+Prompt.exe

Private Sub LinearRegression(x() As Object, y() As Object) As PyWrapper
    Dim Code As String = $"
from scipy import stats
# Multiple Linear Regression Module
def LinearRegression (x, y):
    return stats.linregress(x, y)
"$
    Return Py.RunCode("LinearRegression", Array(x, y), Code)
End Sub

Dim x() As Object = Array(5,7,8,7,2,17,2,9,4,11,12,9,6)
Dim y() As Object = Array(99,86,87,88,111,86,103,87,94,78,77,85,86)
Dim result As PyWrapper = LinearRegression(x, y)
Wait For (result.Run("_asdict").Fetch) Complete (result As PyWrapper)
Log(result.Value)
'{slope=-1.7512877115526118, intercept=103.10596026490066, rvalue=-0.758591524376155, pvalue=0.002646873922456106, stderr=0.453536157607742, intercept_stderr=3.9034928101545123}

Failed to start Python process.

    Dim x As List = Array(5,7,8,7,2,17,2,9,4,11,12,9,6)
    Dim y As List = Array(99,86,87,88,111,86,103,87,94,78,77,85,86)
    Wait For (LinearRegression(x, y).Run("_asdict").Fetch) Complete (results As PyWrapper)
    plotResults(x, y, results.Value)