Method replace

src/danfojs-base/core/series.ts:1532–1567

(
        oldValue: string | number | boolean,
        newValue: string | number | boolean,
        options?: { inplace?: boolean }
    )

        options?: { inplace?: boolean }
    ): Series
    replace(
        oldValue: string | number | boolean,
        newValue: string | number | boolean,
        options?: { inplace?: boolean }
    ): Series | void {
        const { inplace } = { inplace: false, ...options }

        if (typeof oldValue === 'number' && isNaN(oldValue)) {
            throw Error(`Params Error: Param 'oldValue' does not support NaN. Use Series.fillNa() instead.`);
        }

        if (!oldValue && typeof oldValue !== 'boolean' && typeof oldValue !== 'number' && typeof oldValue !== 'string') {
            throw Error(`Params Error: Must specify param 'oldValue' to replace`);
        }

        if (!newValue && typeof newValue !== 'boolean' && typeof newValue !== 'number' && typeof newValue !== 'string') {
            throw Error(`Params Error: Must specify param 'newValue' to replace with`);
        }

        const newArr = [...this.values].map((val) => {
            if (val === oldValue) {
                return newValue
            } else {
                return val
            }
        });

        if (inplace) {
            this.$setValues(newArr as ArrayType1D)
        } else {
            const sf = this.copy();
            sf.$setValues(newArr as ArrayType1D)
            return sf;
        }

    }

    /**
     * Drops all missing values (NaN, null, undefined) from a Series.