The S&P 500's highest daily close was on October 28, 2025 at 6,890.89. The index's highest monthly average of daily closes ...

If you have experience with R or want a quick way to generate a regression with statsmodels using a pandas DataFrame, you can use R-style formulas. First, you need to import statsmodels and its ...

Incorrect cell references cause errors; double-check ranges and use absolute references ($A$1). Misspelled functions disrupt calculations; use Excel’s autocomplete ...

Abstract: This paper studies the expectile regression with error-in-variables to reduce the data error and describe the overall data distribution. Specifically, the ...

The “Too many different cell formats” error occurs in Excel when the formatting in your spreadsheet exceeds the maximum number of formatting allowed. In Excel ...

Abstract: Forecasting of load is an important factor for power system operation and planning. As the electricity consumption increases, load forecasting methods become more complicated. Depending on ...

A regression was introduced in #936 which causes Excel to display an additional empty window which cannot be closed without Excel also closing. In the log snippet below the offending window handle is ...

ABSTRACT: As extremely important methods, Lp regression methods have attracted the attention of either theoretical or empirical researchers all over the world. As special cases of that, quantile and ...

Have you ever found yourself staring at a spreadsheet, trying to make sense of all those numbers? Many face the challenge of transforming raw data into actionable insights, especially when it comes to ...

Q. I am trying to create a formula in our accounting system, but I keep getting errors. What can I do to get the formula to work? A. All Excel users know how powerful formulas are, but sometimes it ...