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5 min readBacktesting in stock trading is a valuable tool for evaluating trading strategies by using historical data. However, there are limitations to backtesting that traders should be aware of. One limitation is the reliance on past data, which may not accurately reflect future market conditions. Backtesting also does not account for unexpected events or market disruptions that could impact the performance of a trading strategy.
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6 min readTo count the number of multiplies in a TensorFlow model, you can use the TensorFlow Graph Analysis tool. This tool allows you to visualize and analyze the computational graph of your model, including the number of multiply operations performed. By examining the nodes in the graph and identifying the multiply operations, you can determine the total number of multiplies in your model.
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6 min readA photo scanner works by using a combination of sensors and light sources to capture an image of a photograph or document. When a photo is placed on the scanner bed, the sensors gather information about the colors and details of the image. The scanner then uses a light source to illuminate the photo, allowing the sensors to capture a digital representation of the image.
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8 min readIf you need a loan to cover legal fees, an installment loan may be a good option. To get an installment loan for legal fees, you will need to research different lenders and their loan options. Look for lenders who specialize in personal loans or offer loans for specific purposes like legal fees.When applying for an installment loan for legal fees, you will need to provide information about your income, employment history, credit score, and the specific legal expenses you need to cover.
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7 min readThe common metrics used to evaluate backtest performance include Sharpe ratio, maximum drawdown, average annual return, and volatility. The Sharpe ratio measures the risk-adjusted return of an investment strategy, with higher values indicating better risk-adjusted performance. Maximum drawdown measures the largest peak-to-trough decline in equity during the backtest period. Average annual return is a simple measure of the average annualized return of the strategy.
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6 min readTo find the minimum of a function with TensorFlow, you can use TensorFlow's built-in optimization algorithms such as SGD (Stochastic Gradient Descent) or Adam. First, define your function as a TensorFlow computational graph using placeholders for input variables. Then, use TensorFlow's optimizer to minimize the function with respect to the input variables. You can specify the learning rate and other hyperparameters to control the optimization process.
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4 min readA photo scanner is a device used to convert physical photographs into digital images. It works by scanning the printed photograph and creating a digital file that can be saved and shared electronically. Photo scanners come in different types, including flatbed scanners, sheetfed scanners, and portable scanners. They are often used by photographers, archivists, and individuals who want to preserve and digitize their printed photos.
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5 min readHistorical data required for a stock backtest includes price data such as opening, closing, high, and low prices for the stock, as well as volume data. Other important data points might include dividend payments, stock splits, and corporate actions that might affect the stock price. Having access to historical data for a sufficient time period is crucial for accurate backtesting in order to analyze the performance of a trading strategy or investment decision over time.
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6 min readWhen you are relocating and need funds for the expenses, you may consider applying for an installment loan. To get an installment loan for relocation expenses, you can start by researching different lenders and comparing their terms and interest rates.You will need to provide personal information, such as your income, employment status, and credit history, during the application process. Lenders will use this information to determine your eligibility and the loan amount you qualify for.
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3 min readTo copy a variable from one graph to another in TensorFlow, you can use the assign method or tf.Variable.assign method. This allows you to update the value of the variable in the target graph by assigning the value of the variable from the source graph. By doing so, you can effectively copy the variable from one graph to another.[rating:c6bb61eb-f6e1-44cf-8a8b-45bc7076eacc]How to copy a variable to another graph in TensorFlow.
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8 min readA backtest is a simulation of a trading strategy using historical data to evaluate its performance. The key components of a backtest include the trading strategy, historical data, trading and risk management rules, transaction costs, and performance metrics.The trading strategy defines how and when to enter and exit trades based on certain criteria or signals. It is essential to have clear and specific rules in place to ensure consistency in the backtest results.