GPT-3 Writes B4X Code

b4x_code = """
Sub GetSubset(list As List, start As Int, end As Int) As List
    Dim result As List
    result.Initialize
    For i = start To end
        result.Add(list.Get(i))
    Next
    Return result
End Sub
"""

"""
1. Create a string variable called b4a_code.
2. Assign a value to the string that contains B4A code.
3. The B4A code is a sub to get a subset of items from a list.
"""

b4a_code = """
Sub GetSubset(list As List, start As Int, end As Int) As List
    Dim result As List
    result.Initialize
    For i = start To end
        result.Add(list.Get(i))
    Next
    Return result
End Sub
"""

"""
1. Create a string variable called b4j_code.
2. Assign a value to the string that contains B4J code.
3. The B4J code is a sub to get a subset of items from a list.
"""

b4j_code = """
Sub GetSubset(list As List, start As Int, end As Int) As List
    Dim result As List
    result

'code generated by CODEX
'"""
'1. Write a function in the B4X programming language that performs a regression analysis.
'2. It should take the parameters of YList And XList.
'"""

'performs a regression analysis
Sub RegressionAnalysis(YList As List, XList As List)
    Dim x_bar As Double = 0
    Dim y_bar As Double = 0
    Dim x_y_bar As Double = 0
    Dim x_square_bar As Double = 0
    Dim n As Int = YList.Size
    For i = 0 To n - 1
        x_bar = x_bar + XList.Get(i)
        y_bar = y_bar + YList.Get(i)
        x_y_bar = x_y_bar + XList.Get(i) * YList.Get(i)
        x_square_bar = x_square_bar + XList.Get(i) * XList.Get(i)
    Next
    x_bar = x_bar / n
    y_bar = y_bar / n
    x_y_bar = x_y_bar / n
    x_square_bar = x_square_bar / n
    Dim beta_1 As Double = (x_y_bar - x_bar * y_bar) / (x_square_bar - x_bar * x_bar)
    Dim beta_0 As Double = y_bar - beta_1 * x_bar
    Log("beta_0: " & beta_0)
    Log("beta_1: " & beta_1)
End Sub